USPC Patent Classifications

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Class 171 unearthing plants or buried objects
uspcdescription
171/1171 unearthing plants or buried objects/(1) methods of recovering buried objects
171/2171 unearthing plants or buried objects/(2) plural alternately usable unearthing units
171/3171 unearthing plants or buried objects/(3) stabilizing colter or fin
171/4171 unearthing plants or buried objects/(4) with additional earth or plant rolling implement
171/5171 unearthing plants or buried objects/(5) with vertical cutter for vegetation
171/6171 unearthing plants or buried objects/(6) with earth marker or trailing earth conditioner
171/7171 unearthing plants or buried objects/(7) periodic dumping in piles
171/8171 unearthing plants or buried objects/(8) drive triggered by desired object
171/9171 unearthing plants or buried objects/(9) support overload release and reset; drive overload relief; or automatic control
171/10171 unearthing plants or buried objects/(10) with preliminary removal or undesired earth material
171/11171 unearthing plants or buried objects/(11) removable or alternate collection receptacles
171/12171 unearthing plants or buried objects/(12) with apparatus cleaner in nonrecovery zone of unearthing unit
171/13171 unearthing plants or buried objects/(13) with toothed moving stripper or pick-off for undesired object
171/14171 unearthing plants or buried objects/(14) recovered object passes through separator interstices
171/15171 unearthing plants or buried objects/(14) recovered object passes through separator interstices (15) assorting by size
171/16171 unearthing plants or buried objects/(16) railroad ballast removal and assorting or separating
171/17171 unearthing plants or buried objects/(17) separation or orientation by fluid current or suspension
171/18171 unearthing plants or buried objects/(18) separation by physical characteristics
171/19171 unearthing plants or buried objects/(19) with rake or lateral deflector for ground contacting recovered objects
171/20171 unearthing plants or buried objects/(20) with manual operation station (e.g., topping, separation inspection)
171/21171 unearthing plants or buried objects/(21) holding and severing plant portion in situ
171/22171 unearthing plants or buried objects/(21) holding and severing plant portion in situ (22) plural level cutters
171/23171 unearthing plants or buried objects/(23) with selective delivery to alternate locations (e.g., by-pass)
171/24171 unearthing plants or buried objects/(24) with comminuting or multiple cutting of recovered plant part
171/25171 unearthing plants or buried objects/(25) with cleaning of recovered object by brushing or wiping
171/26171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part
171/27171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (27) detachment by pulling, beating, shaking or crushing
171/28171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (27) detachment by pulling, beating, shaking or crushing (28) by opposed rotary gripping elements
171/29171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (29) separate successive topping stations
171/30171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (30) by non-driven rotatable cutter (e.g., rolling)
171/31171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (31) conveyer feed to or from cutter
171/32171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (31) conveyer feed to or from cutter (32) cutter positioned by gauge
171/33171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (31) conveyer feed to or from cutter (33) with driven gauge
171/34171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (31) conveyer feed to or from cutter (34) with gauge
171/35171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (31) conveyer feed to or from cutter (34) with gauge (35) moved into transverse horizontal position for cutting
171/36171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (31) conveyer feed to or from cutter (36) held by conveyer during cutting
171/37171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (31) conveyer feed to or from cutter (36) held by conveyer during cutting (37) with lateral disposal of cuttings
171/38171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (31) conveyer feed to or from cutter (36) held by conveyer during cutting (38) opposed belt conveyers
171/39171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (31) conveyer feed to or from cutter (36) held by conveyer during cutting (39) wheel-like conveyer
171/40171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (40) with deflector or conveyer for detached plant part
171/41171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (41) moving topping cutter
171/42171 unearthing plants or buried objects/(26) with above-ground means for detachment of plant part (41) moving topping cutter (42) rotary or endless
171/43171 unearthing plants or buried objects/(43) combined or convertible
171/44171 unearthing plants or buried objects/(44) power means to shift unearthing unit part
171/45171 unearthing plants or buried objects/(45) tractor powered trailing unearthing unit
171/46171 unearthing plants or buried objects/(46) unearthing unit detachable from vehicle chassis
171/47171 unearthing plants or buried objects/(47) unearthing unit laterally shiftable on support
171/48171 unearthing plants or buried objects/(48) separate draft connections to unearthing unit and unearthing unit support
171/49171 unearthing plants or buried objects/(49) moved object void filling or earth hold down
171/50171 unearthing plants or buried objects/(50) extractor
171/51171 unearthing plants or buried objects/(50) extractor (51) with agitator for extractor or extractor-carried object
171/52171 unearthing plants or buried objects/(50) extractor (52) with movable stripper
171/53171 unearthing plants or buried objects/(50) extractor (53) plant impaling or snagging (e.g., roots or tops)
171/54171 unearthing plants or buried objects/(50) extractor (53) plant impaling or snagging (e.g., roots or tops) (54) retractible to strip
171/55171 unearthing plants or buried objects/(50) extractor (55) opposed plant engagers
171/56171 unearthing plants or buried objects/(50) extractor (55) opposed plant engagers (56) jaw means relatively movably mounted on carrier means
171/57171 unearthing plants or buried objects/(50) extractor (55) opposed plant engagers (57) screw
171/58171 unearthing plants or buried objects/(50) extractor (55) opposed plant engagers (58) disc or roller
171/59171 unearthing plants or buried objects/(50) extractor (55) opposed plant engagers (59) claw type
171/60171 unearthing plants or buried objects/(50) extractor (55) opposed plant engagers (60) one a belt or belt carrier member
171/61171 unearthing plants or buried objects/(50) extractor (55) opposed plant engagers (60) one a belt or belt carrier member (61) opposed belts or belt carried members
171/62171 unearthing plants or buried objects/(50) extractor (62) with digger or root cutter
171/63171 unearthing plants or buried objects/(63) stone gathering and/or unearthing by impelling above-ground plant or object portion
171/64171 unearthing plants or buried objects/(63) stone gathering and/or unearthing by impelling above-ground plant or object portion (64) with underground stalk or root severing
171/65171 unearthing plants or buried objects/(63) stone gathering and/or unearthing by impelling above-ground plant or object portion (65) impeller inclined to line of draft
171/66171 unearthing plants or buried objects/(66) ground engaging chain separators
171/67171 unearthing plants or buried objects/(67) with preliminary deflector for surface material
171/68171 unearthing plants or buried objects/(67) with preliminary deflector for surface material (68) driven deflector
171/69171 unearthing plants or buried objects/(67) with preliminary deflector for surface material (69) moving deflector
171/70171 unearthing plants or buried objects/(70) transversely moving single tine row
171/71171 unearthing plants or buried objects/(71) plow or blade continguous to vibrating separator
171/72171 unearthing plants or buried objects/(71) plow or blade continguous to vibrating separator (72) with resilient support or drive connection
171/73171 unearthing plants or buried objects/(71) plow or blade continguous to vibrating separator (73) transversely curved or inclined separator
171/74171 unearthing plants or buried objects/(71) plow or blade continguous to vibrating separator (74) with side walls or guides
171/75171 unearthing plants or buried objects/(71) plow or blade continguous to vibrating separator (75) plural separator sets of with articulated elements
171/76171 unearthing plants or buried objects/(71) plow or blade continguous to vibrating separator (75) plural separator sets of with articulated elements (76) relatively moving interdigitated sets
171/77171 unearthing plants or buried objects/(71) plow or blade continguous to vibrating separator (77) non-circular rolling support for a separator
171/78171 unearthing plants or buried objects/(71) plow or blade continguous to vibrating separator (78) ground supported trailing separator
171/79171 unearthing plants or buried objects/(71) plow or blade continguous to vibrating separator (79) supported on longitudinally spaced links
171/80171 unearthing plants or buried objects/(71) plow or blade continguous to vibrating separator (80) swinging about longitudinal or inclined axis
171/81171 unearthing plants or buried objects/(71) plow or blade continguous to vibrating separator (81) shifting laterally
171/82171 unearthing plants or buried objects/(82) unearthing unit rocking or fulcrumed on ground
171/83171 unearthing plants or buried objects/(83) leading plow or cutter with contiguous, fixed inclined separator
171/84171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines)
171/85171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (85) moving impeller with cooperating circular arcuate guide
171/86171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted)
171/87171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (87) with ejector on digger or digger carrier
171/88171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (88) plural cooperating moving diggers
171/89171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (89) moving diggers with intercepting moving stripper or conveyer
171/90171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (90) moving digger with intercepting stripper or chute
171/91171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (91) moving digger carrier with relatively moving digger
171/92171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (92) separator or collector within annular or endless digger
171/93171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (93) rolling or coaxial with traction wheel
171/94171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (94) carried by endless flexible member
171/95171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (95) rotary
171/96171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (95) rotary (96) conical digger portion
171/97171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (95) rotary (97) horizontal axis (e.g., longitudinal axis)
171/98171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (95) rotary (97) horizontal axis (e.g., longitudinal axis) (98) transverse axis
171/99171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (99) cyclic
171/100171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (86) movable on supporting frame (e.g., pivoted) (100) pivoted about ground wheel axle
171/101171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (101) separating digger intercepted by moving conveyer or impeller
171/102171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (102) laterally deflecting diggers
171/103171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (103) spaced, inclined shares or guides (pairs)
171/104171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (104) inclined lifting surfaces
171/105171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (104) inclined lifting surfaces (105) tines (e.g., forks)
171/106171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (104) inclined lifting surfaces (106) vertically stepped transverse elements
171/107171 unearthing plants or buried objects/(84) separating digger (e.g., vertical collecting tines) (107) tooth or tine arrangements or details
171/108171 unearthing plants or buried objects/(108) traction wheel drive details for unearthing unit part
171/109171 unearthing plants or buried objects/(109) unearthing unit or vehicular break-frame
171/110171 unearthing plants or buried objects/(110) digger and moving conveyer unit adjustable relative to chassis
171/111171 unearthing plants or buried objects/(111) earth removal and separation
171/112171 unearthing plants or buried objects/(111) earth removal and separation (112) rolling screen or sieve (e.g., wheel or belt)
171/113171 unearthing plants or buried objects/(111) earth removal and separation (113) spiral conveyer for excavator or separator
171/114171 unearthing plants or buried objects/(111) earth removal and separation (114) with impeller or clod breaker for excavator or separator
171/115171 unearthing plants or buried objects/(111) earth removal and separation (114) with impeller or clod breaker for excavator or separator (115) transversely moving rotary member
171/116171 unearthing plants or buried objects/(111) earth removal and separation (114) with impeller or clod breaker for excavator or separator (116) rotary
171/117171 unearthing plants or buried objects/(111) earth removal and separation (114) with impeller or clod breaker for excavator or separator (117) endless belt type impeller or breaker
171/118171 unearthing plants or buried objects/(111) earth removal and separation (114) with impeller or clod breaker for excavator or separator (117) endless belt type impeller or breaker (118) opposed endless members
171/119171 unearthing plants or buried objects/(111) earth removal and separation (114) with impeller or clod breaker for excavator or separator (117) endless belt type impeller or breaker (119) excavator or separator within confines of endless impeller or breakers
171/120171 unearthing plants or buried objects/(111) earth removal and separation (114) with impeller or clod breaker for excavator or separator (117) endless belt type impeller or breaker (120) endless impeller or breaker above excavator or separator
171/121171 unearthing plants or buried objects/(111) earth removal and separation (114) with impeller or clod breaker for excavator or separator (121) impeller or breaker driven through cyclic path
171/122171 unearthing plants or buried objects/(111) earth removal and separation (122) clod pulverizer outside separating zone
171/123171 unearthing plants or buried objects/(111) earth removal and separation (123) conveyer disposed below separator
171/124171 unearthing plants or buried objects/(111) earth removal and separation (124) moving conveyer, digger or separator
171/125171 unearthing plants or buried objects/(111) earth removal and separation (124) moving conveyer, digger or separator (125) rolling nonseparating elevator or conveyer
171/126171 unearthing plants or buried objects/(111) earth removal and separation (124) moving conveyer, digger or separator (126) moving open separator or separating conveyer
171/127171 unearthing plants or buried objects/(111) earth removal and separation (124) moving conveyer, digger or separator (126) moving open separator or separating conveyer (127) compound motion (e.g., with agitator)
171/128171 unearthing plants or buried objects/(111) earth removal and separation (124) moving conveyer, digger or separator (126) moving open separator or separating conveyer (128) rotary cylinder with radially extending separating elements
171/129171 unearthing plants or buried objects/(111) earth removal and separation (124) moving conveyer, digger or separator (126) moving open separator or separating conveyer (129) rotary drum type
171/130171 unearthing plants or buried objects/(111) earth removal and separation (124) moving conveyer, digger or separator (126) moving open separator or separating conveyer (130) plural, successive, endless belt type
171/131171 unearthing plants or buried objects/(111) earth removal and separation (124) moving conveyer, digger or separator (126) moving open separator or separating conveyer (131) plural successive separators, one a belt
171/132171 unearthing plants or buried objects/(111) earth removal and separation (124) moving conveyer, digger or separator (126) moving open separator or separating conveyer (132) moving screen or grate (e.g., shaker)
171/133171 unearthing plants or buried objects/(111) earth removal and separation (124) moving conveyer, digger or separator (126) moving open separator or separating conveyer (133) relatively moving separator elements (e.g., rollers)
171/134171 unearthing plants or buried objects/(111) earth removal and separation (124) moving conveyer, digger or separator (134) moving digger and separate separator
171/135171 unearthing plants or buried objects/(111) earth removal and separation (135) separator formed in collector receptacle
171/136171 unearthing plants or buried objects/(111) earth removal and separation (136) digger and fixedly interconnected contiguous separator
171/137171 unearthing plants or buried objects/(137) with protective guard or casing
171/138171 unearthing plants or buried objects/(138) with material redirecting conveyer or chute
171/139171 unearthing plants or buried objects/(139) unearthing unit fixed on vertically shiftable vehicle frame
171/140171 unearthing plants or buried objects/(140) unearthing unit with gauge runner or wheel
171/141171 unearthing plants or buried objects/(141) lifting or tilting means for unearthing apparatus
171/142171 unearthing plants or buried objects/(142) drive details (e.g., clutch or gearing)
171/143171 unearthing plants or buried objects/(143) frames and/or wheeled chassis
171/144171 unearthing plants or buried objects/(144) miscellaneous (e.g., hopper or collector)

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