USPC Patent Classifications

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Class 392 electric resistance heating devices
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392/301392 electric resistance heating devices/() heating devices (class 219 subclass 200) (301) borehole type
392/302392 electric resistance heating devices/() heating devices (class 219 subclass 200) (301) borehole type (302) with heat exchange fluid
392/303392 electric resistance heating devices/() heating devices (class 219 subclass 200) (301) borehole type (303) with vapor generator
392/304392 electric resistance heating devices/() heating devices (class 219 subclass 200) (301) borehole type (304) heating element surrounding delivery pipe
392/305392 electric resistance heating devices/() heating devices (class 219 subclass 200) (301) borehole type (305) suspended by cable in well
392/306392 electric resistance heating devices/() heating devices (class 219 subclass 200) (301) borehole type (306) plural separate heating devices
392/307392 electric resistance heating devices/() heating devices (class 219 subclass 200) (307) combined with nonelectric heating means (e.g., gas, etc.)
392/308392 electric resistance heating devices/() heating devices (class 219 subclass 200) (307) combined with nonelectric heating means (e.g., gas, etc.) (308) for heating liquid
392/309392 electric resistance heating devices/() heating devices (class 219 subclass 200) (307) combined with nonelectric heating means (e.g., gas, etc.) (309) hot plate
392/310392 electric resistance heating devices/() heating devices (class 219 subclass 200) (307) combined with nonelectric heating means (e.g., gas, etc.) (310) oven type
392/311392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater
392/312392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (312) method
392/313392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (313) portable
392/314392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (314) continuous flow of fluid being heated
392/315392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (314) continuous flow of fluid being heated (315) with means to adjust current path between electrodes
392/316392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (314) continuous flow of fluid being heated (315) with means to adjust current path between electrodes (316) responsive to condition of fluid
392/317392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (314) continuous flow of fluid being heated (315) with means to adjust current path between electrodes (317) movable dielectric means
392/318392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (314) continuous flow of fluid being heated (318) current control means
392/319392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (314) continuous flow of fluid being heated (319) with discharge member for line or tank
392/320392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (314) continuous flow of fluid being heated (320) tube or pipe forms flow path
392/321392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (314) continuous flow of fluid being heated (320) tube or pipe forms flow path (321) pipe forms at least one electrode
392/322392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (322) with reservoir or tank
392/323392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (322) with reservoir or tank (323) with means to adjust current path between electrodes
392/324392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator
392/325392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (325) line connected boiler
392/326392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (325) line connected boiler (326) control of electrode immersion level
392/327392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (325) line connected boiler (326) control of electrode immersion level (327) by electrode current
392/328392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (325) line connected boiler (326) control of electrode immersion level (328) by pressure
392/329392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (325) line connected boiler (329) with means to adjust current path between elctrodes
392/330392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (325) line connected boiler (329) with means to adjust current path between elctrodes (330) movable dielectric means
392/331392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (325) line connected boiler (331) electrode arrangement
392/332392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (325) line connected boiler (331) electrode arrangement (332) water jet electrode
392/333392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (333) manually filled tank or container
392/334392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (333) manually filled tank or container (334) with means to adjust current path between electrodes
392/335392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (333) manually filled tank or container (335) with supply interlock means
392/336392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (333) manually filled tank or container (336) separate electrode compartment
392/337392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (324) steam or vapor generator (333) manually filled tank or container (336) separate electrode compartment (337) electrode compartment removable from tank
392/338392 electric resistance heating devices/() heating devices (class 219 subclass 200) (311) fluid-in-circuit type heater (338) electrode details
392/339392 electric resistance heating devices/() heating devices (class 219 subclass 200) (339) with heat storage means
392/340392 electric resistance heating devices/() heating devices (class 219 subclass 200) (339) with heat storage means (340) method
392/341392 electric resistance heating devices/() heating devices (class 219 subclass 200) (339) with heat storage means (341) for fluid heating (e.g., gas or liquid, etc.)
392/342392 electric resistance heating devices/() heating devices (class 219 subclass 200) (339) with heat storage means (342) for vaporization
392/343392 electric resistance heating devices/() heating devices (class 219 subclass 200) (339) with heat storage means (343) for subsequent heating by radiation
392/344392 electric resistance heating devices/() heating devices (class 219 subclass 200) (339) with heat storage means (344) for subsequent heating by convection
392/345392 electric resistance heating devices/() heating devices (class 219 subclass 200) (339) with heat storage means (345) means to control heating accumulating medium
392/346392 electric resistance heating devices/() heating devices (class 219 subclass 200) (339) with heat storage means (346) heat accumulating medium details
392/347392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater
392/348392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (348) artificial fire
392/349392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (349) central heating type
392/350392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (349) central heating type (350) with air delivery duct
392/351392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (351) floor furnace type
392/352392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (352) baseboard type
392/353392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (352) baseboard type (353) with baffle
392/354392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (354) with intermediate heat absorber
392/355392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (354) with intermediate heat absorber (355) heated by radiant source
392/356392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (354) with intermediate heat absorber (355) heated by radiant source (356) with fan blower
392/357392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (354) with intermediate heat absorber (357) with fluid heat absorber
392/358392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (354) with intermediate heat absorber (357) with fluid heat absorber (358) by fan blower
392/359392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (354) with intermediate heat absorber (357) with fluid heat absorber (359) wall mounted
392/360392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (360) forced air type
392/361392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (360) forced air type (361) heating attachment for fan
392/362392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (360) forced air type (362) fan with heated blades
392/363392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (360) forced air type (363) wall mounted
392/364392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (360) forced air type (364) ceiling mounted
392/365392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (360) forced air type (365) portable
392/366392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (360) forced air type (365) portable (366) with fan position adjusting means
392/367392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (360) forced air type (365) portable (367) multi-direction air outlet
392/368392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (360) forced air type (365) portable (368) with baffle
392/369392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (360) forced air type (365) portable (368) with baffle (369) counterflow
392/370392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (370) wall mounted
392/371392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (370) wall mounted (371) in wall cavity
392/372392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (372) mounted in or on window or door
392/373392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (373) portable
392/374392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (373) portable (374) with baffle
392/375392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (375) combined with radiation
392/376392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (375) combined with radiation (376) with reflector
392/377392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (375) combined with radiation (377) with heat exchange fluid
392/378392 electric resistance heating devices/() heating devices (class 219 subclass 200) (347) convection space heater (375) combined with radiation (377) with heat exchange fluid (378) in plural sections
392/379392 electric resistance heating devices/() heating devices (class 219 subclass 200) (379) concentrated heated air stream (i.e., blast)
392/380392 electric resistance heating devices/() heating devices (class 219 subclass 200) (379) concentrated heated air stream (i.e., blast) (380) for drying body part
392/381392 electric resistance heating devices/() heating devices (class 219 subclass 200) (379) concentrated heated air stream (i.e., blast) (380) for drying body part (381) wall mounted
392/382392 electric resistance heating devices/() heating devices (class 219 subclass 200) (379) concentrated heated air stream (i.e., blast) (382) with support
392/383392 electric resistance heating devices/() heating devices (class 219 subclass 200) (379) concentrated heated air stream (i.e., blast) (383) portable
392/384392 electric resistance heating devices/() heating devices (class 219 subclass 200) (379) concentrated heated air stream (i.e., blast) (383) portable (384) with handle
392/385392 electric resistance heating devices/() heating devices (class 219 subclass 200) (379) concentrated heated air stream (i.e., blast) (383) portable (384) with handle (385) pistol-grip type
392/386392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer
392/387392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (387) method
392/388392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (388) for metal vapor deposition
392/389392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (388) for metal vapor deposition (389) with crucible
392/390392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (390) with disposable evaporant cartridge or container
392/391392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (391) by radiant heat source
392/392392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (392) wall mounted
392/393392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (393) by light bulb heat source
392/394392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.)
392/395392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (395) with wick
392/396392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (396) in continuous flow line connected heater
392/397392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (396) in continuous flow line connected heater (397) pipe or tube forms flow path
392/398392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (396) in continuous flow line connected heater (397) pipe or tube forms flow path (398) with internal heating element
392/399392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (399) flash chamber
392/400392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (400) in-line connected closed tank (i.e., pressurized)
392/401392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (400) in-line connected closed tank (i.e., pressurized) (401) with internal heating element
392/402392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (402) in-line connected open tank or container (i.e., nonpressurized)
392/403392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (403) container with self-contained evaporant supply
392/404392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (403) container with self-contained evaporant supply (404) hand-held
392/405392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (403) container with self-contained evaporant supply (405) with separate heating chamber
392/406392 electric resistance heating devices/() heating devices (class 219 subclass 200) (386) vaporizer (394) liquid evaporant (e.g., water, etc.) (403) container with self-contained evaporant supply (405) with separate heating chamber (406) removable
392/407392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater
392/408392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (408) with filter or diffuser for radiant energy
392/409392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (409) hand-held
392/410392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (409) hand-held (410) with air or gas circulation
392/411392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (411) lamp banks (i.e., array of plural lamps)
392/412392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (411) lamp banks (i.e., array of plural lamps) (412) adjustable lamps position
392/413392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (411) lamp banks (i.e., array of plural lamps) (412) adjustable lamps position (413) adjustable individual lamp position
392/414392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (411) lamp banks (i.e., array of plural lamps) (414) lamp banks form arch
392/415392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (411) lamp banks (i.e., array of plural lamps) (415) lamp banks movable relative to stationary work during use
392/416392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (416) with chamber
392/417392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (417) for heating moving strand, web or sheet
392/418392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (418) with support for workpiece
392/419392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (419) focussed radiant beam
392/420392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (419) focussed radiant beam (420) plural reflectors
392/421392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (419) focussed radiant beam (421) elliptical or ellipsoidal reflector
392/422392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (422) with reflector
392/423392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (422) with reflector (423) elongated reflector
392/424392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (422) with reflector (423) elongated reflector (424) heating element in transparent tubular envelope
392/425392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (422) with reflector (423) elongated reflector (425) with exposed radiant heating element
392/426392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (422) with reflector (426) bowl-shaped reflector
392/427392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (422) with reflector (426) bowl-shaped reflector (427) annular heating element concentric with reflector axis
392/428392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (422) with reflector (426) bowl-shaped reflector (428) linear heating element aligned with reflector axis
392/429392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (422) with reflector (426) bowl-shaped reflector (428) linear heating element aligned with reflector axis (429) coiled on core
392/430392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (422) with reflector (430) wall mounted
392/431392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (422) with reflector (431) collapsible or foldable reflector
392/432392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (432) radiant extended surface type heater
392/433392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (432) radiant extended surface type heater (433) with exposed radiant heating element
392/434392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (432) radiant extended surface type heater (433) with exposed radiant heating element (434) on ceramic support structure
392/435392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (432) radiant extended surface type heater (435) with heat radiating panel
392/436392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (432) radiant extended surface type heater (435) with heat radiating panel (436) wall or ceiling mounted
392/437392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (432) radiant extended surface type heater (435) with heat radiating panel (436) wall or ceiling mounted (437) plural panels
392/438392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (432) radiant extended surface type heater (435) with heat radiating panel (438) heating element formed as coating on radiating panel surface
392/439392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (432) radiant extended surface type heater (435) with heat radiating panel (438) heating element formed as coating on radiating panel surface (439) nonmetallic panel
392/440392 electric resistance heating devices/() heating devices (class 219 subclass 200) (407) radiant heater (440) multi-direction radiant heat output
392/441392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater
392/442392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (442) pour-in displacement discharge type tank
392/443392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (443) flexible container (e.g., water bottle, etc.)
392/444392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (444) portable container or tank
392/445392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (444) portable container or tank (445) plural compartments
392/446392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (444) portable container or tank (446) with agitator
392/447392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (444) portable container or tank (447) with internally positioned heating element
392/448392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (444) portable container or tank (447) with internally positioned heating element (448) removably inserted through fill opening
392/449392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank
392/450392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (450) plural serially connected compartments
392/451392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (451) with immersion heating element
392/452392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (451) with immersion heating element (452) with baffle or guard
392/453392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (451) with immersion heating element (453) removably insertable into tubular receptacle in tank
392/454392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (451) with immersion heating element (454) plural heating zones
392/455392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (451) with immersion heating element (455) with heating element mounting arrangements
392/456392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (451) with immersion heating element (456) with heat exchange fluid
392/457392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (451) with immersion heating element (457) with protecting means against galvanic corrosion
392/458392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (458) with external heater
392/459392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (458) with external heater (459) clamped or secured to tank wall
392/460392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (458) with external heater (460) producing radiation
392/461392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (458) with external heater (461) with externally mounted circulation-type heater
392/462392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (458) with external heater (461) with externally mounted circulation-type heater (462) laterally disposed (i.e., side-arm type)
392/463392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (463) with timer controlled energization
392/464392 electric resistance heating devices/() heating devices (class 219 subclass 200) (441) tank or container type liquid heater (449) line connected tank (463) with timer controlled energization (464) off-peak power
392/465392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater
392/466392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (466) method
392/467392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (467) with hot plate
392/468392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (468) pipeline tracing
392/469392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (468) pipeline tracing (469) skin effect heater type (e.g., s.e.c.t., etc.)
392/470392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (470) disposable cartridge, tube or bag forms heated flow path (e.g., blood bag, etc.)
392/471392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (471) combined liquid flow heater and pump unit
392/472392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (472) flexibe (e.g., hose, etc.)
392/473392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (473) fluid heater carried on discharge member
392/474392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (473) fluid heater carried on discharge member (474) with flow control valve (e.g., faucet, etc.)
392/475392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (473) fluid heater carried on discharge member (474) with flow control valve (e.g., faucet, etc.) (475) valve turns heating element on and off
392/476392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (473) fluid heater carried on discharge member (476) hand-held discharge member
392/477392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (473) fluid heater carried on discharge member (476) hand-held discharge member (477) with storage container for fluid to be heated
392/478392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (478) fluid conveying tube or pipe comprising resistive heating element
392/479392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (479) externally heated line connected section
392/480392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (479) externally heated line connected section (480) pipe or tube forms flow path
392/481392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (479) externally heated line connected section (480) pipe or tube forms flow path (481) coiled
392/482392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (479) externally heated line connected section (482) plural pipes or tubes form flow path
392/483392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (479) externally heated line connected section (483) heating element producing radiation
392/484392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (479) externally heated line connected section (484) block forms flow path
392/485392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (485) heated line section with heating element internal of flow path
392/486392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (485) heated line section with heating element internal of flow path (486) plural pipes or tubes form flow path
392/487392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (485) heated line section with heating element internal of flow path (487) with jacket for heating element
392/488392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (485) heated line section with heating element internal of flow path (488) pipe or tube forms flow path
392/489392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (485) heated line section with heating element internal of flow path (488) pipe or tube forms flow path (489) with jacket for heating element
392/490392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (485) heated line section with heating element internal of flow path (490) plural heated line sections (e.g., series or parallel, etc.)
392/491392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (485) heated line section with heating element internal of flow path (491) with baffle-defined flow path
392/492392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (485) heated line section with heating element internal of flow path (491) with baffle-defined flow path (492) producing counterflow circulation
392/493392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (485) heated line section with heating element internal of flow path (491) with baffle-defined flow path (492) producing counterflow circulation (493) heating element integral with baffle
392/494392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (485) heated line section with heating element internal of flow path (494) block forms flow path
392/495392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (495) plural different fluids simultaneously heated
392/496392 electric resistance heating devices/() heating devices (class 219 subclass 200) (465) continuous flow type fluid heater (496) with heat exchange fluid
392/497392 electric resistance heating devices/() heating devices (class 219 subclass 200) (497) immersion heater details
392/498392 electric resistance heating devices/() heating devices (class 219 subclass 200) (497) immersion heater details (498) with thermostatic control means
392/499392 electric resistance heating devices/() heating devices (class 219 subclass 200) (497) immersion heater details (499) buoyant in liquid
392/500392 electric resistance heating devices/() heating devices (class 219 subclass 200) (497) immersion heater details (500) with plural heating elements
392/501392 electric resistance heating devices/() heating devices (class 219 subclass 200) (497) immersion heater details (501) with particular mounting means
392/502392 electric resistance heating devices/() heating devices (class 219 subclass 200) (497) immersion heater details (502) having positive temperature coefficient
392/503392 electric resistance heating devices/() heating devices (class 219 subclass 200) (497) immersion heater details (503) particular sheath or jacket composition

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