USPC Patent Classifications

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Class 122 liquid heaters and vaporizers - continued
uspcdescription
122/213122 liquid heaters and vaporizers/(209.1) sectional (213) plural firebox
122/214122 liquid heaters and vaporizers/(209.1) sectional () horizontal sections (214) superimposed
122/215122 liquid heaters and vaporizers/(209.1) sectional () horizontal sections (214) superimposed (215) central connection
122/216122 liquid heaters and vaporizers/(209.1) sectional () horizontal sections (214) superimposed (215) central connection (216) fluid fuel
122/217122 liquid heaters and vaporizers/(209.1) sectional () horizontal sections (214) superimposed (215) central connection (217) water firebox
122/218122 liquid heaters and vaporizers/(209.1) sectional () horizontal sections (214) superimposed (218) water firebox
122/219122 liquid heaters and vaporizers/(209.1) sectional () horizontal sections (214) superimposed (218) water firebox (219) central magazine
122/220122 liquid heaters and vaporizers/(209.1) sectional () horizontal sections (214) superimposed () water tube () internal fire tube (220) water firebox
122/221122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (221) annularly positioned
122/222122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (221) annularly positioned (222) central magazine
122/223122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (223) longitudinally positioned
122/224122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (223) longitudinally positioned (224) casing
122/225R122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (225r) transversely positioned
122/226122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (225r) transversely positioned (226) casing
122/227122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (225r) transversely positioned (226) casing (227) divided section
122/228122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (225r) transversely positioned (228) divided section
122/229122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (225r) transversely positioned (229) water grate
122/225A122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (225r) transversely positioned (225a) water heater in flue
122/225B122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (225r) transversely positioned (225b) water heater in boiler
122/225F122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (225r) transversely positioned (225f) feeding air
122/230122 liquid heaters and vaporizers/(209.1) sectional () vertical sections (230) two-section
122/212.1122 liquid heaters and vaporizers/(209.1) sectional (212.1) with magazine
122/212.2122 liquid heaters and vaporizers/(209.1) sectional (212.1) with magazine (212.2) with return or alternate flue
122/211122 liquid heaters and vaporizers/(209.1) sectional (211) fluid or solid fuel
122/210122 liquid heaters and vaporizers/(209.1) sectional (210) fluid fuel
122/232122 liquid heaters and vaporizers/(209.1) sectional (232) water grate
122/231122 liquid heaters and vaporizers/(209.1) sectional (231) accessories
122/233122 liquid heaters and vaporizers/(209.1) sectional (233) horizontal
122/234122 liquid heaters and vaporizers/(209.1) sectional (234) vertical
122/235.11122 liquid heaters and vaporizers/(235.11) water tube
122/235.12122 liquid heaters and vaporizers/(235.11) water tube (235.12) wall structure
122/235.13122 liquid heaters and vaporizers/(235.11) water tube (235.13) with fuel burners having posts and tuyeres
122/235.14122 liquid heaters and vaporizers/(235.11) water tube (235.14) tube structure
122/235.15122 liquid heaters and vaporizers/(235.11) water tube (235.15) headers and connections
122/235.16122 liquid heaters and vaporizers/(235.11) water tube (235.16) for plural fluids
122/235.17122 liquid heaters and vaporizers/(235.11) water tube (235.17) having baffles
122/235.18122 liquid heaters and vaporizers/(235.11) water tube (235.18) having seals
122/235.19122 liquid heaters and vaporizers/(235.11) water tube (235.19) d-type tube
122/235.21122 liquid heaters and vaporizers/(235.11) water tube (235.19) d-type tube (235.21) multiple d-type tubes
122/235.22122 liquid heaters and vaporizers/(235.11) water tube (235.22) wall loop
122/235.23122 liquid heaters and vaporizers/(235.11) water tube (235.23) having specific tube patterns
122/235.24122 liquid heaters and vaporizers/(235.11) water tube (235.24) screens
122/235.25122 liquid heaters and vaporizers/(235.11) water tube (235.24) screens (235.25) floor screens
122/235.26122 liquid heaters and vaporizers/(235.11) water tube (235.26) having slag and ash disposal
122/235.27122 liquid heaters and vaporizers/(235.11) water tube (235.27) locomotive-type
122/235.28122 liquid heaters and vaporizers/(235.11) water tube (235.28) having rotary flame
122/235.29122 liquid heaters and vaporizers/(235.11) water tube (235.29) having forced circulation system
122/235.31122 liquid heaters and vaporizers/(235.11) water tube (235.31) having specific intenal drum and head structure
122/235.32122 liquid heaters and vaporizers/(235.11) water tube (235.32) with combustion
122/235.33122 liquid heaters and vaporizers/(235.11) water tube (235.33) with convection zone regulation
122/235.34122 liquid heaters and vaporizers/(235.11) water tube (235.34) with parallel multiple fireboxes
122/235.35122 liquid heaters and vaporizers/(235.11) water tube (235.35) with serial multiple fireboxes
122/238122 liquid heaters and vaporizers/(235.11) water tube (238) offset firebox
122/239122 liquid heaters and vaporizers/(235.11) water tube (239) superimposed firebox
122/240.1122 liquid heaters and vaporizers/(235.11) water tube (240.1) having plural fireboxes
122/240.2122 liquid heaters and vaporizers/(235.11) water tube (240.1) having plural fireboxes (240.2) series connected
122/240.3122 liquid heaters and vaporizers/(235.11) water tube (240.1) having plural fireboxes (240.3) parallel connected
122/241122 liquid heaters and vaporizers/(235.11) water tube (241) firebox in drum
122/242122 liquid heaters and vaporizers/(235.11) water tube (242) capillary
122/243122 liquid heaters and vaporizers/(235.11) water tube (242) capillary (243) fluid fuel
122/244122 liquid heaters and vaporizers/(235.11) water tube () coil or loop (244) central standpipe
122/245122 liquid heaters and vaporizers/(235.11) water tube () coil or loop (244) central standpipe (245) fluid fuel
122/246122 liquid heaters and vaporizers/(235.11) water tube () coil or loop (244) central standpipe (246) annular firebox
122/247122 liquid heaters and vaporizers/(235.11) water tube (247) coil
122/248122 liquid heaters and vaporizers/(235.11) water tube (247) coil () horizontal (248) fluid fuel
122/249122 liquid heaters and vaporizers/(235.11) water tube (247) coil (249) vertical
122/250R122 liquid heaters and vaporizers/(235.11) water tube (247) coil (249) vertical (250r) fluid fuel
122/250S122 liquid heaters and vaporizers/(235.11) water tube (247) coil (249) vertical (250r) fluid fuel (250s) standpipe
122/251122 liquid heaters and vaporizers/(235.11) water tube (247) coil (249) vertical (251) central magazine
122/252122 liquid heaters and vaporizers/(235.11) water tube (247) coil (249) vertical (252) water firebox
122/253122 liquid heaters and vaporizers/(235.11) water tube (253) cross
122/254122 liquid heaters and vaporizers/(235.11) water tube (253) cross (254) over bridge wall
122/255122 liquid heaters and vaporizers/(235.11) water tube (253) cross () over firebox () longitudinal () header (255) drum
122/256122 liquid heaters and vaporizers/(235.11) water tube (253) cross () over firebox () transverse () header (256) drum
122/257122 liquid heaters and vaporizers/(235.11) water tube (253) cross () transverse () header (257) drum
122/258122 liquid heaters and vaporizers/(235.11) water tube (258) downflow
122/259122 liquid heaters and vaporizers/(235.11) water tube (259) drum type
122/260122 liquid heaters and vaporizers/(235.11) water tube (260) flat
122/261122 liquid heaters and vaporizers/(235.11) water tube (260) flat (261) volute
122/262122 liquid heaters and vaporizers/(235.11) water tube (262) horizontal
122/263122 liquid heaters and vaporizers/(235.11) water tube (262) horizontal (263) over bridge wall
122/264122 liquid heaters and vaporizers/(235.11) water tube (262) horizontal (264) over firebox
122/265122 liquid heaters and vaporizers/(235.11) water tube (265) inclined
122/266122 liquid heaters and vaporizers/(235.11) water tube (266) internal fire tube
122/267122 liquid heaters and vaporizers/(235.11) water tube (266) internal fire tube (267) horizontal
122/268122 liquid heaters and vaporizers/(235.11) water tube (266) internal fire tube (268) inclined
122/269122 liquid heaters and vaporizers/(235.11) water tube (266) internal fire tube (269) plural fire tube
122/270122 liquid heaters and vaporizers/(235.11) water tube (266) internal fire tube (270) straddle
122/271122 liquid heaters and vaporizers/(235.11) water tube (266) internal fire tube (271) vertical
122/272122 liquid heaters and vaporizers/(235.11) water tube (266) internal fire tube (271) vertical (272) central magazine
122/273122 liquid heaters and vaporizers/(235.11) water tube (273) longitudinal upper drum
122/274122 liquid heaters and vaporizers/(235.11) water tube (273) longitudinal upper drum (274) fluid fuel
122/275122 liquid heaters and vaporizers/(235.11) water tube (275) loop
122/276122 liquid heaters and vaporizers/(235.11) water tube (275) loop (276) firebox enclosing
122/277122 liquid heaters and vaporizers/(235.11) water tube (275) loop (277) over bridge wall
122/278122 liquid heaters and vaporizers/(235.11) water tube (275) loop () over firebox (278) cross
122/279122 liquid heaters and vaporizers/(235.11) water tube (275) loop () over firebox (279) horizontal
122/280122 liquid heaters and vaporizers/(235.11) water tube (275) loop () over firebox () rear of bridge wall (280) bridge wall header
122/281122 liquid heaters and vaporizers/(235.11) water tube (275) loop () over firebox (281) standpipe
122/282122 liquid heaters and vaporizers/(235.11) water tube (275) loop () over firebox (282) vertical
122/283122 liquid heaters and vaporizers/(235.11) water tube (275) loop () over firebox (282) vertical (283) fluid fuel
122/284122 liquid heaters and vaporizers/(235.11) water tube () over bridge wall (284) headers at right angles
122/285122 liquid heaters and vaporizers/(235.11) water tube () over bridge wall (285) transverse water baffle
122/286122 liquid heaters and vaporizers/(235.11) water tube () over bridge wall () water grate (286) downdraft
122/287122 liquid heaters and vaporizers/(235.11) water tube () over bridge wall () water grate (287) intermediate draft
122/288122 liquid heaters and vaporizers/(235.11) water tube () over firebox (288) headers at right angles
122/289122 liquid heaters and vaporizers/(235.11) water tube () over firebox () water grate (289) updraft
122/290122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () over bridge wall (290) front and rear header
122/291122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () over bridge wall (290) front and rear header (291) horizontal-longitudinal drum
122/292122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () over bridge wall (290) front and rear header (291) horizontal-longitudinal drum (292) firebox tube
122/293122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () over bridge wall (290) front and rear header (291) horizontal-longitudinal drum (293) longitudinal water baffle
122/294122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () over bridge wall (290) front and rear header (291) horizontal-longitudinal drum (294) water wall
122/295122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () over bridge wall (290) front and rear header (295) internal water tube
122/296122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () over bridge wall (290) front and rear header (296) longitudinal-declined drum
122/297122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () over bridge wall (290) front and rear header (297) transverse drum
122/298122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () over firebox () front and rear header (298) horizontal-longitudinal drum
122/299122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () over firebox () front and rear header (299) transverse drum
122/300122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () over firebox () front and rear header (300) tubes beyond side wall
122/301122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () plural upper transverse drum (301) plural lower transverse drum
122/302122 liquid heaters and vaporizers/(235.11) water tube () rearwardly declined () plural upper transverse drum (302) single lower transverse drum
122/303122 liquid heaters and vaporizers/(235.11) water tube () rearwardly inclined () over firebox () front and rear header (303) transverse drum
122/304122 liquid heaters and vaporizers/(235.11) water tube () separate banks (304) opposite fireboxes
122/305122 liquid heaters and vaporizers/(235.11) water tube (305) spur
122/306122 liquid heaters and vaporizers/(235.11) water tube (305) spur (306) bridge wall header
122/307122 liquid heaters and vaporizers/(235.11) water tube (305) spur (307) central standpipe
122/308122 liquid heaters and vaporizers/(235.11) water tube (305) spur (307) central standpipe (308) fluid fuel
122/309122 liquid heaters and vaporizers/(235.11) water tube (305) spur (307) central standpipe (309) annular firebox
122/310122 liquid heaters and vaporizers/(235.11) water tube (305) spur (307) central standpipe (310) central magazine
122/311122 liquid heaters and vaporizers/(235.11) water tube (305) spur (311) cross
122/312122 liquid heaters and vaporizers/(235.11) water tube (305) spur (312) horizontal-longitudinal drum
122/313122 liquid heaters and vaporizers/(235.11) water tube (305) spur (313) over bridge wall
122/314122 liquid heaters and vaporizers/(235.11) water tube (305) spur () over firebox (314) central header
122/315122 liquid heaters and vaporizers/(235.11) water tube (305) spur () over firebox (315) declined
122/316122 liquid heaters and vaporizers/(235.11) water tube (305) spur () over firebox (316) horizontal
122/317122 liquid heaters and vaporizers/(235.11) water tube (305) spur (317) straddle
122/318122 liquid heaters and vaporizers/(235.11) water tube (305) spur (318) vertical
122/319122 liquid heaters and vaporizers/(235.11) water tube (305) spur (318) vertical (319) fluid fuel
122/320122 liquid heaters and vaporizers/(235.11) water tube (305) spur (318) vertical (320) central magazine
122/321122 liquid heaters and vaporizers/(235.11) water tube (321) standpipe
122/322122 liquid heaters and vaporizers/(235.11) water tube (321) standpipe (322) fluid fuel
122/323122 liquid heaters and vaporizers/(235.11) water tube (321) standpipe (323) annular firebox
122/324122 liquid heaters and vaporizers/(235.11) water tube (324) straddle
122/325122 liquid heaters and vaporizers/(235.11) water tube (324) straddle () plural upper drum (325) plural lower drum
122/326122 liquid heaters and vaporizers/(235.11) water tube (324) straddle () plural upper drum (325) plural lower drum (326) cross
122/327122 liquid heaters and vaporizers/(235.11) water tube (324) straddle () single upper drum (327) plural lower drum
122/328122 liquid heaters and vaporizers/(235.11) water tube (324) straddle () single upper drum (327) plural lower drum (328) fluid fuel
122/329122 liquid heaters and vaporizers/(235.11) water tube (324) straddle () single upper drum (327) plural lower drum (329) cross
122/330122 liquid heaters and vaporizers/(235.11) water tube (324) straddle () single upper drum (327) plural lower drum (330) plural firebox
122/331122 liquid heaters and vaporizers/(235.11) water tube (331) transverse horizontal drum
122/332122 liquid heaters and vaporizers/(235.11) water tube (332) vertical
122/333122 liquid heaters and vaporizers/(235.11) water tube (332) vertical (333) fluid fuel
122/334122 liquid heaters and vaporizers/(235.11) water tube (332) vertical (334) side magazine
122/335122 liquid heaters and vaporizers/(235.11) water tube (332) vertical (335) annular firebox
122/336122 liquid heaters and vaporizers/(235.11) water tube (332) vertical (336) offset firebox
122/337122 liquid heaters and vaporizers/(235.11) water tube (332) vertical (336) offset firebox (337) elevated
122/338122 liquid heaters and vaporizers/(235.11) water tube (332) vertical () annular lower drum (338) annular upper drum
122/339122 liquid heaters and vaporizers/(235.11) water tube (332) vertical () annular lower drum (338) annular upper drum (339) central magazine
122/340122 liquid heaters and vaporizers/(235.11) water tube (332) vertical () annular lower drum (338) annular upper drum (340) tubes over firebox
122/341122 liquid heaters and vaporizers/(235.11) water tube (332) vertical () annular lower drum (341) fire tube upper drum
122/342122 liquid heaters and vaporizers/(235.11) water tube (332) vertical () annular lower drum (342) spur tube upper drum
122/343122 liquid heaters and vaporizers/(235.11) water tube (332) vertical () annular lower drum (343) upper drum
122/344122 liquid heaters and vaporizers/(235.11) water tube (332) vertical () annular lower drum (343) upper drum (344) central magazine
122/345122 liquid heaters and vaporizers/(235.11) water tube (332) vertical (345) beyond bridge wall
122/346122 liquid heaters and vaporizers/(235.11) water tube (332) vertical (345) beyond bridge wall (346) gas return
122/347122 liquid heaters and vaporizers/(235.11) water tube (332) vertical (345) beyond bridge wall () longitudinal upper drum (347) longitudinal lower drum
122/348122 liquid heaters and vaporizers/(235.11) water tube (332) vertical () internal fire tube (348) fluid fuel
122/349122 liquid heaters and vaporizers/(235.11) water tube (332) vertical (349) over firebox
122/350122 liquid heaters and vaporizers/(235.11) water tube (332) vertical (349) over firebox (350) gas return
122/351122 liquid heaters and vaporizers/(235.11) water tube (332) vertical () plural upper longitudinal drum (351) plural lower longitudinal drum
122/352122 liquid heaters and vaporizers/(235.11) water tube (332) vertical () plural upper transverse drum () plural lower transverse drum (352) offset firebox
122/353122 liquid heaters and vaporizers/(235.11) water tube (353) water grate
122/354122 liquid heaters and vaporizers/(235.11) water tube (353) water grate (354) downdraft
122/355122 liquid heaters and vaporizers/(235.11) water tube (355) zigzag
122/356122 liquid heaters and vaporizers/(235.11) water tube (355) zigzag (356) fluid fuel
122/357122 liquid heaters and vaporizers/(235.11) water tube (355) zigzag () over bridge wall (357) longitudinal drum
122/358122 liquid heaters and vaporizers/(235.11) water tube (355) zigzag () over bridge wall (358) transverse drum
122/359122 liquid heaters and vaporizers/(235.11) water tube (355) zigzag (359) over firebox
122/237122 liquid heaters and vaporizers/(235.11) water tube (237) magazine
122/236122 liquid heaters and vaporizers/(235.11) water tube (236) fluid fuel
122/360122 liquid heaters and vaporizers/(235.11) water tube () headers (360) closures and couplings
122/361122 liquid heaters and vaporizers/(235.11) water tube () headers (360) closures and couplings (361) cleaning
122/362122 liquid heaters and vaporizers/(235.11) water tube () headers (360) closures and couplings (362) concentric tube
122/363122 liquid heaters and vaporizers/(235.11) water tube () headers (360) closures and couplings (363) drum
122/364122 liquid heaters and vaporizers/(235.11) water tube () headers (360) closures and couplings (364) tube closures
122/365122 liquid heaters and vaporizers/(235.11) water tube (365) drums and couplings
122/366122 liquid heaters and vaporizers/(366) wick
122/367.1122 liquid heaters and vaporizers/(367.1) heat transmitter
122/367.2122 liquid heaters and vaporizers/(367.1) heat transmitter (367.2) double immersed heat transmitters
122/367.3122 liquid heaters and vaporizers/(367.1) heat transmitter (367.3) corrugated and finned heat transmitters
122/367.4122 liquid heaters and vaporizers/(367.1) heat transmitter (367.4) pebble furnaces
122/368122 liquid heaters and vaporizers/(368) water firebox
122/369122 liquid heaters and vaporizers/(368) water firebox (369) mud ring
122/370122 liquid heaters and vaporizers/(368) water firebox (370) plural
122/371122 liquid heaters and vaporizers/(371) water grate
122/372122 liquid heaters and vaporizers/(371) water grate () plural firebox () superimposed () water grate (372) updraft
122/373122 liquid heaters and vaporizers/(371) water grate (373) cage
122/374122 liquid heaters and vaporizers/(371) water grate (374) grate structure
122/375122 liquid heaters and vaporizers/(371) water grate (374) grate structure (375) solid and water bar
122/376122 liquid heaters and vaporizers/(371) water grate (376) progressive feed
122/377122 liquid heaters and vaporizers/(371) water grate () water firebox () solid and water bar (377) updraft
122/378122 liquid heaters and vaporizers/(371) water grate () water firebox (378) updraft
122/21122 liquid heaters and vaporizers/(21) chemical
122/22122 liquid heaters and vaporizers/(22) fluid and solid fuel
122/23122 liquid heaters and vaporizers/(23) fluid fuel
122/24122 liquid heaters and vaporizers/(23) fluid fuel (24) explosion
122/25122 liquid heaters and vaporizers/(23) fluid fuel () plural burner (25) superimposed
122/26122 liquid heaters and vaporizers/(26) friction generator
122/27122 liquid heaters and vaporizers/(26) friction generator (27) surface
122/28122 liquid heaters and vaporizers/(26) friction generator (28) water in contact
122/379122 liquid heaters and vaporizers/(379) cleaning
122/380122 liquid heaters and vaporizers/(379) cleaning (380) agitating circulator
122/381122 liquid heaters and vaporizers/(379) cleaning () blow off (381) bottom and surface
122/382122 liquid heaters and vaporizers/(379) cleaning () blow off (382) bottom
122/383122 liquid heaters and vaporizers/(379) cleaning () blow off (382) bottom (383) internal conduit
122/384122 liquid heaters and vaporizers/(379) cleaning () blow off (382) bottom (383) internal conduit (384) ejector
122/385122 liquid heaters and vaporizers/(379) cleaning () blow off (382) bottom (383) internal conduit (385) mud ring
122/386122 liquid heaters and vaporizers/(379) cleaning () blow off (382) bottom (383) internal conduit (386) pan
122/387122 liquid heaters and vaporizers/(379) cleaning () blow off (382) bottom (383) internal conduit (387) scraper
122/388122 liquid heaters and vaporizers/(379) cleaning () blow off (382) bottom (383) internal conduit (388) valved
122/389122 liquid heaters and vaporizers/(379) cleaning () blow off (389) surface exit
122/390122 liquid heaters and vaporizers/(379) cleaning (390) fluid jet
122/391122 liquid heaters and vaporizers/(379) cleaning (390) fluid jet (391) horizontal fire tube boiler
122/392122 liquid heaters and vaporizers/(379) cleaning (390) fluid jet (392) water tube boiler
122/393122 liquid heaters and vaporizers/(379) cleaning (393) mud drum
122/394122 liquid heaters and vaporizers/(379) cleaning (394) pans
122/395122 liquid heaters and vaporizers/(379) cleaning (395) sandblast
122/396122 liquid heaters and vaporizers/(379) cleaning (396) systems
122/397122 liquid heaters and vaporizers/(379) cleaning (397) trapped circuit
122/398122 liquid heaters and vaporizers/(379) cleaning (397) trapped circuit (398) feeding water
122/399122 liquid heaters and vaporizers/(379) cleaning (397) trapped circuit (399) surface and bottom exit
122/400122 liquid heaters and vaporizers/(379) cleaning (397) trapped circuit (400) surface exit
122/401122 liquid heaters and vaporizers/(379) cleaning (397) trapped circuit (400) surface exit (401) chemical feeder
122/402122 liquid heaters and vaporizers/(379) cleaning (397) trapped circuit (400) surface exit (402) circulating pump
122/403122 liquid heaters and vaporizers/(379) cleaning (397) trapped circuit (400) surface exit (403) feed heater
122/404122 liquid heaters and vaporizers/(379) cleaning (397) trapped circuit (400) surface exit (404) steam injector
122/405122 liquid heaters and vaporizers/(379) cleaning (405) wash-out nozzle
122/406.1122 liquid heaters and vaporizers/(406.1) circulation
122/406.2122 liquid heaters and vaporizers/(406.1) circulation (406.2) having anticavitation devices
122/406.3122 liquid heaters and vaporizers/(406.1) circulation (406.3) having restrictors and orifices
122/406.4122 liquid heaters and vaporizers/(406.1) circulation (406.4) once through
122/406.5122 liquid heaters and vaporizers/(406.1) circulation (406.5) with start-up operations
122/407122 liquid heaters and vaporizers/(406.1) circulation (407) injector
122/408.1122 liquid heaters and vaporizers/(406.1) circulation (408.1) having internal conduit
122/408.2122 liquid heaters and vaporizers/(406.1) circulation (408.1) having internal conduit (408.2) with internal geyser tube
122/409122 liquid heaters and vaporizers/(406.1) circulation (408.1) having internal conduit (409) horizontal flue boiler
122/410122 liquid heaters and vaporizers/(406.1) circulation (408.1) having internal conduit (409) horizontal flue boiler (410) return fire tube
122/411122 liquid heaters and vaporizers/(406.1) circulation () mechanical (411) internal
122/412122 liquid heaters and vaporizers/(412) feed heaters
122/413122 liquid heaters and vaporizers/(412) feed heaters (413) ash pan
122/414122 liquid heaters and vaporizers/(412) feed heaters () boiler circuit (414) feed-injected
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