USPC Patent Classifications

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Class 172 earth working
uspcdescription
172/1172 earth working/(1) processes
172/2172 earth working/(2) automatic power control
172/3172 earth working/(2) automatic power control (3) motive power control
172/4172 earth working/(2) automatic power control (4) constant depth type
172/4.5172 earth working/(2) automatic power control (4.5) land leveller type
172/5172 earth working/(2) automatic power control (5) obstruction sensing type (includes plant sensing)
172/6172 earth working/(2) automatic power control (5) obstruction sensing type (includes plant sensing) (6) electrical
172/7172 earth working/(2) automatic power control (7) draft responsive
172/8172 earth working/(2) automatic power control (7) draft responsive (8) variable rate responsive
172/9172 earth working/(2) automatic power control (7) draft responsive (9) with manual actuator to select type of condition sensed
172/10172 earth working/(2) automatic power control (7) draft responsive (10) sensitivity adjustment
172/11172 earth working/(2) automatic power control (7) draft responsive (11) with excess draft release
172/12172 earth working/(2) automatic power control (7) draft responsive (12) overload lift type
172/13172 earth working/(13) lawn edger
172/14172 earth working/(13) lawn edger (14) with or convertible to non-earth working implement
172/15172 earth working/(13) lawn edger (15) rolling or driven cutter
172/16172 earth working/(13) lawn edger (15) rolling or driven cutter (16) with fixed cutter or furrower
172/17172 earth working/(13) lawn edger (17) with wheel or roller
172/18172 earth working/(13) lawn edger (18) impact or grapple
172/19172 earth working/(19) sod cutter
172/20172 earth working/(19) sod cutter (20) with means for vertical transverse cutting while moving
172/21172 earth working/(21) lawn aerator or perforator, or plug remover
172/22172 earth working/(21) lawn aerator or perforator, or plug remover (22) earth removing
172/23172 earth working/(23) driven from or guided by stationary object, or anchored
172/24172 earth working/(23) driven from or guided by stationary object, or anchored (24) around tree or stake
172/25172 earth working/(23) driven from or guided by stationary object, or anchored (25) rotatable about vertical axis
172/26172 earth working/(23) driven from or guided by stationary object, or anchored (26) guided by surface track or previously formed shoulder
172/26.5172 earth working/(23) driven from or guided by stationary object, or anchored (26.5) dragline scraper
172/26.6172 earth working/(23) driven from or guided by stationary object, or anchored (26.5) dragline scraper (26.6) scraper part rearranged upon reverse movement
172/27172 earth working/(27) with means for cutting or shredding plants without soil disturbance
172/28172 earth working/(27) with means for cutting or shredding plants without soil disturbance (28) driven
172/29172 earth working/(29) with means for shifting surface material without soil disturbance
172/30172 earth working/(29) with means for shifting surface material without soil disturbance (30) driven shifting means
172/31172 earth working/(29) with means for shifting surface material without soil disturbance (31) combined with rolling or vertically acting transverse cutter
172/32172 earth working/(32) with separating after earth working
172/33172 earth working/(33) with power driven moldboard, conveyer or handler
172/34172 earth working/(34) complete apparatus adapted for use upside down
172/35172 earth working/(35) with drive means for tool or cleaner
172/36172 earth working/(35) with drive means for tool or cleaner (36) subsurface shears or nippers
172/37172 earth working/(35) with drive means for tool or cleaner (37) tool rotated by attendant
172/38172 earth working/(35) with drive means for tool or cleaner (38) with obstruction feeling device for moving or releasing implement
172/39172 earth working/(35) with drive means for tool or cleaner (39) with cleaner or comminutor spaced from ground surface
172/40172 earth working/(35) with drive means for tool or cleaner (40) vibrating tool
172/41172 earth working/(35) with drive means for tool or cleaner (41) attendant supported tool
172/42172 earth working/(35) with drive means for tool or cleaner (42) guided by walking attendant
172/43172 earth working/(35) with drive means for tool or cleaner (42) guided by walking attendant (43) with ground support vertically adjustable relative to frame
172/44172 earth working/(35) with drive means for tool or cleaner (44) subsurface shaft or bar (e.g., rod weeder)
172/45172 earth working/(35) with drive means for tool or cleaner (45) flails
172/46172 earth working/(35) with drive means for tool or cleaner (46) coaxial tools oppositely rotated
172/47172 earth working/(35) with drive means for tool or cleaner (47) with specific relationship of mast-type hitch (i.e., three-point hitch) to implement
172/48172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools
172/49172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (49) contiguous cooperating or intermeshing rotary ground engaging tools
172/49.5172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (49) contiguous cooperating or intermeshing rotary ground engaging tools (49.5) rotating about vertical axes
172/50172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (50) diverse tools
172/51172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (50) diverse tools (51) all rotary
172/52172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (50) diverse tools (51) all rotary (52) parallel axes
172/53172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (50) diverse tools (53) rectilinearly reciprocating tool
172/54172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (50) diverse tools (54) oscillating tool
172/54.5172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (54.5) tool reciprocates or oscillates within a generally horizontal plane
172/55172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (55) plural groups of disks
172/56172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (56) staggered tools
172/57172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (57) laterally spaced tools
172/58172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (57) laterally spaced tools (58) longitudinal axes
172/59172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (57) laterally spaced tools (59) vertical axes
172/60172 earth working/(35) with drive means for tool or cleaner (48) plural driven tools (57) laterally spaced tools (60) transverse axes
172/61172 earth working/(35) with drive means for tool or cleaner (61) intermittent drive for tool
172/62172 earth working/(35) with drive means for tool or cleaner (61) intermittent drive for tool (62) with spring return
172/63172 earth working/(35) with drive means for tool or cleaner (63) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.)
172/64172 earth working/(35) with drive means for tool or cleaner (63) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) (64) non-driven furrow opener and driven dam former
172/65172 earth working/(35) with drive means for tool or cleaner (63) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) (65) interdigitating non-driven and driven tools
172/66172 earth working/(35) with drive means for tool or cleaner (63) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) (66) cooperating driven cleaner or comminutor and contiguous tool
172/67172 earth working/(35) with drive means for tool or cleaner (63) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) (67) driven comminutor at outlet of earth guide
172/68172 earth working/(35) with drive means for tool or cleaner (63) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) (68) rolling tool
172/69172 earth working/(35) with drive means for tool or cleaner (63) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) (68) rolling tool (69) with tool drive from rolling tool
172/70172 earth working/(35) with drive means for tool or cleaner (63) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) (70) fore-and-aft non-driven tool
172/71172 earth working/(35) with drive means for tool or cleaner (63) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) (71) non-driven tool follows path of driven tool
172/72172 earth working/(35) with drive means for tool or cleaner (63) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) (71) non-driven tool follows path of driven tool (72) leveling drag or furrow shaper
172/73172 earth working/(35) with drive means for tool or cleaner (63) with non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) (73) staggered driven and non-driven tool (e.g., cotton chopper, etc.)
172/74172 earth working/(35) with drive means for tool or cleaner (74) with power take-off from tool drive to adjust tool
172/75172 earth working/(35) with drive means for tool or cleaner (75) interconnected tool lift and drive control
172/76172 earth working/(35) with drive means for tool or cleaner (76) implement with ground support for depth control
172/77172 earth working/(35) with drive means for tool or cleaner (76) implement with ground support for depth control (77) vertically biased implement
172/78172 earth working/(35) with drive means for tool or cleaner (76) implement with ground support for depth control (78) vertically adjustable ground support
172/79172 earth working/(35) with drive means for tool or cleaner (76) implement with ground support for depth control (79) tool driven from prime mover on vehicle
172/80172 earth working/(35) with drive means for tool or cleaner (80) with wheel substitute (e.g., runner, etc.)
172/81172 earth working/(35) with drive means for tool or cleaner (81) with plant deflector or protector
172/82172 earth working/(35) with drive means for tool or cleaner (82) driven tool selectively shiftable along line of travel
172/83172 earth working/(35) with drive means for tool or cleaner (82) driven tool selectively shiftable along line of travel (83) tool drive interrupted by shifting tool
172/84172 earth working/(35) with drive means for tool or cleaner (84) simultaneously reciprocating and oscillating blade having elongated shank
172/85172 earth working/(35) with drive means for tool or cleaner (84) simultaneously reciprocating and oscillating blade having elongated shank (85) transverse chopping type
172/86172 earth working/(35) with drive means for tool or cleaner (84) simultaneously reciprocating and oscillating blade having elongated shank (85) transverse chopping type (86) with plural cranks or cams driving each blade
172/87172 earth working/(35) with drive means for tool or cleaner (84) simultaneously reciprocating and oscillating blade having elongated shank (85) transverse chopping type (87) means for varying contour of path of blade
172/88172 earth working/(35) with drive means for tool or cleaner (84) simultaneously reciprocating and oscillating blade having elongated shank (88) with plural cranks or cams driving each blade
172/89172 earth working/(35) with drive means for tool or cleaner (84) simultaneously reciprocating and oscillating blade having elongated shank (89) means for varying contour of path of blade
172/90172 earth working/(35) with drive means for tool or cleaner (90) irregular or off-center ground-engaging wheel or support
172/91172 earth working/(35) with drive means for tool or cleaner (91) blade movable with respect to cyclically driven carrier
172/92172 earth working/(35) with drive means for tool or cleaner (91) blade movable with respect to cyclically driven carrier (92) with means for moving blade
172/93172 earth working/(35) with drive means for tool or cleaner (91) blade movable with respect to cyclically driven carrier (92) with means for moving blade (93) rectilinearly reciprocating blade
172/94172 earth working/(35) with drive means for tool or cleaner (91) blade movable with respect to cyclically driven carrier (92) with means for moving blade (94) blade oscillating arcuately or swivelly with respect to rotary carrier
172/95172 earth working/(35) with drive means for tool or cleaner (91) blade movable with respect to cyclically driven carrier (92) with means for moving blade (95) by cam or crank
172/96172 earth working/(35) with drive means for tool or cleaner (91) blade movable with respect to cyclically driven carrier (96) blade flexible or with yieldable mount on carrier
172/97172 earth working/(35) with drive means for tool or cleaner (97) compound motion for tool (e.g., reciprocating and oscillating, reciprocating and rotating)
172/98172 earth working/(35) with drive means for tool or cleaner (98) tool mounted for lateral shifting
172/99172 earth working/(35) with drive means for tool or cleaner (98) tool mounted for lateral shifting (99) about generally vertical axis
172/100172 earth working/(35) with drive means for tool or cleaner (100) blade on endless driven belt or chain
172/101172 earth working/(35) with drive means for tool or cleaner (101) tool guided for rectilinear reciprocation
172/102172 earth working/(35) with drive means for tool or cleaner (101) tool guided for rectilinear reciprocation (102) tool moves in horizontal, transverse path
172/103172 earth working/(35) with drive means for tool or cleaner (103) with overload relief or clutch in drive train (e.g., overload release, etc.)
172/104172 earth working/(35) with drive means for tool or cleaner (103) with overload relief or clutch in drive train (e.g., overload release, etc.) (104) unidirectional clutch in drive from ground wheel
172/105172 earth working/(35) with drive means for tool or cleaner (105) driven from rolling or driven ground wheel
172/106172 earth working/(35) with drive means for tool or cleaner (105) driven from rolling or driven ground wheel (106) belt or chain drive
172/107172 earth working/(35) with drive means for tool or cleaner (107) tool driven about horizontal, longitudinal axis
172/108172 earth working/(35) with drive means for tool or cleaner (107) tool driven about horizontal, longitudinal axis (108) rotary driven tool
172/109172 earth working/(35) with drive means for tool or cleaner (107) tool driven about horizontal, longitudinal axis (108) rotary driven tool (109) adjustable tooth or blade
172/110172 earth working/(35) with drive means for tool or cleaner (110) tool driven about generally vertical axis (e.g., oscillating choppers, etc.)
172/111172 earth working/(35) with drive means for tool or cleaner (110) tool driven about generally vertical axis (e.g., oscillating choppers, etc.) (111) rotary driven tool
172/112172 earth working/(35) with drive means for tool or cleaner (112) with deflector or shield for thrown material
172/113172 earth working/(35) with drive means for tool or cleaner (112) with deflector or shield for thrown material (113) laterally directed outlet flow
172/114172 earth working/(35) with drive means for tool or cleaner (114) specific propelling means
172/115172 earth working/(35) with drive means for tool or cleaner (114) specific propelling means (115) tool steers implement
172/116172 earth working/(35) with drive means for tool or cleaner (114) specific propelling means (116) tool propels implement
172/117172 earth working/(35) with drive means for tool or cleaner (117) tool freely or yieldably mounted on chassis
172/118172 earth working/(35) with drive means for tool or cleaner (118) tool driven about axis transverse to draft line
172/119172 earth working/(35) with drive means for tool or cleaner (118) tool driven about axis transverse to draft line (119) screw or spiral rib, blade or tooth row
172/120172 earth working/(35) with drive means for tool or cleaner (118) tool driven about axis transverse to draft line (120) disk or planar cutter (e.g., saw, etc.)
172/121172 earth working/(35) with drive means for tool or cleaner (118) tool driven about axis transverse to draft line (121) laterally extending bar or blade with skeleton support (e.g., lawn mower type, etc.)
172/122172 earth working/(35) with drive means for tool or cleaner (118) tool driven about axis transverse to draft line (122) drum with teeth or blades
172/123172 earth working/(35) with drive means for tool or cleaner (118) tool driven about axis transverse to draft line (123) rotary driven tool
172/124172 earth working/(35) with drive means for tool or cleaner (124) tool driven about diagonal axis
172/125172 earth working/(35) with drive means for tool or cleaner (125) tool drive details
172/126172 earth working/(126) with earth marker
172/127172 earth working/(126) with earth marker (127) marker shiftable on turning
172/128172 earth working/(126) with earth marker (128) marker adjusted upon raising implement
172/129172 earth working/(126) with earth marker (129) ground wheel operated marker control
172/130172 earth working/(126) with earth marker (130) multiple interconnected markers
172/131172 earth working/(126) with earth marker (130) multiple interconnected markers (131) markers on laterally shiftable member
172/132172 earth working/(126) with earth marker (132) marker swingable about longitudinal axis to both sides
172/777172 earth working/(777) scraper supports narrow depending tool
172/778172 earth working/(777) scraper supports narrow depending tool (778) tool supporting clamp means engage upper and lower edges
172/779172 earth working/(779) scraper position automatically controlled by linkage for levelling
172/780172 earth working/(780) scraper between widely spaced front and rear ground supports
172/781172 earth working/(781) scraper between front and rear ground supports of vehicle
172/782172 earth working/(781) scraper between front and rear ground supports of vehicle (782) with laterally offset inclined shoulder forming tool
172/783172 earth working/(781) scraper between front and rear ground supports of vehicle (783) with scraper attached ground support
172/784172 earth working/(781) scraper between front and rear ground supports of vehicle (784) with diverse tool or portion
172/785172 earth working/(781) scraper between front and rear ground supports of vehicle (784) with diverse tool or portion (785) non-scraping tool precedes and spaced from scraper
172/786172 earth working/(781) scraper between front and rear ground supports of vehicle (786) plural scrapers
172/787172 earth working/(781) scraper between front and rear ground supports of vehicle (786) plural scrapers (787) spaced and in same path
172/788172 earth working/(781) scraper between front and rear ground supports of vehicle (788) push frame for scrapers
172/789172 earth working/(781) scraper between front and rear ground supports of vehicle (789) actuator for bodily shifting scraper subframe draft connection
172/790172 earth working/(781) scraper between front and rear ground supports of vehicle (790) counterbalance means for scraper adjustment
172/791172 earth working/(781) scraper between front and rear ground supports of vehicle (791) three or more independently operable scraper actuators
172/792172 earth working/(781) scraper between front and rear ground supports of vehicle (791) three or more independently operable scraper actuators (792) scraper adjustable about vertical axis of annular support
172/793172 earth working/(781) scraper between front and rear ground supports of vehicle (791) three or more independently operable scraper actuators (792) scraper adjustable about vertical axis of annular support (793) actuator for laterally shifting support
172/794172 earth working/(781) scraper between front and rear ground supports of vehicle (794) spring biased into ground contact
172/795172 earth working/(781) scraper between front and rear ground supports of vehicle (795) specific actuator between frame and scraper
172/796172 earth working/(781) scraper between front and rear ground supports of vehicle (795) specific actuator between frame and scraper (796) for adjustment about vertical axis
172/797172 earth working/(781) scraper between front and rear ground supports of vehicle (795) specific actuator between frame and scraper (797) for adjustment about longitudinal axis
172/798172 earth working/(781) scraper between front and rear ground supports of vehicle (798) actuator for tilting wheel relative to vehicle frame
172/799172 earth working/(781) scraper between front and rear ground supports of vehicle (799) specific means for horizontally angling wheel relative to vehicle frame
172/799.5172 earth working/(799.5) towed scraper with ground support wheels
172/133172 earth working/(133) diverse tools
172/134172 earth working/(133) diverse tools (134) one located in path of implement wheel
172/135172 earth working/(133) diverse tools (135) one implement surrounds another
172/136172 earth working/(133) diverse tools (136) tools usable alternately only
172/137172 earth working/(133) diverse tools (137) with means to vary spacing of tools upon turning
172/138172 earth working/(133) diverse tools (138) with interconnected vertical adjustment
172/139172 earth working/(133) diverse tools (138) with interconnected vertical adjustment (139) plow and colter
172/140172 earth working/(133) diverse tools (140) with independent means for vertical movement
172/141172 earth working/(133) diverse tools (141) interconnected adjustment of horizontal angle of rolling and position of diverse tool
172/142172 earth working/(133) diverse tools (142) including spring formed tool or standard
172/143172 earth working/(133) diverse tools (143) including intermittently rolling tool
172/144172 earth working/(133) diverse tools (144) colter, jointer and plow
172/145172 earth working/(133) diverse tools (145) three or more diverse implements following same path (a, b, c, or a, b, a,)
172/146172 earth working/(133) diverse tools (145) three or more diverse implements following same path (a, b, c, or a, b, a,) (146) four or more
172/147172 earth working/(133) diverse tools (145) three or more diverse implements following same path (a, b, c, or a, b, a,) (146) four or more (147) alternately diverse (a, b, a, b)
172/148172 earth working/(133) diverse tools (145) three or more diverse implements following same path (a, b, c, or a, b, a,) (148) longitudinally spaced like implements with intermediate diverse implement (a, b, a)
172/149172 earth working/(133) diverse tools (145) three or more diverse implements following same path (a, b, c, or a, b, a,) (149) including rolling tool
172/150172 earth working/(133) diverse tools (145) three or more diverse implements following same path (a, b, c, or a, b, a,) (149) including rolling tool (150) smooth levelling roller
172/151172 earth working/(133) diverse tools (145) three or more diverse implements following same path (a, b, c, or a, b, a,) (149) including rolling tool (151) diverse rolling
172/152172 earth working/(133) diverse tools (152) at least four alternately diverse laterally spaced tools (a, b, a, b)
172/153172 earth working/(133) diverse tools (152) at least four alternately diverse laterally spaced tools (a, b, a, b) (153) alternate rolling and non-rolling
172/154172 earth working/(133) diverse tools (152) at least four alternately diverse laterally spaced tools (a, b, a, b) (154) all rolling
172/155172 earth working/(133) diverse tools (155) laterally spaced like tools with intermediate diverse tool (a, b, a)
172/156172 earth working/(133) diverse tools (155) laterally spaced like tools with intermediate diverse tool (a, b, a) (156) spaced rolling with intermediate nonrolling
172/157172 earth working/(133) diverse tools (155) laterally spaced like tools with intermediate diverse tool (a, b, a) (157) spaced non-rolling with intermediate rolling
172/158172 earth working/(133) diverse tools (155) laterally spaced like tools with intermediate diverse tool (a, b, a) (158) all rolling
172/159172 earth working/(133) diverse tools (155) laterally spaced like tools with intermediate diverse tool (a, b, a) (159) spaced right and left hand tools with intermediate symmetrical tool
172/160172 earth working/(133) diverse tools (155) laterally spaced like tools with intermediate diverse tool (a, b, a) (160) including spike tooth
172/161172 earth working/(133) diverse tools (161) including implement alternating for right or left hand operation
172/162172 earth working/(133) diverse tools (161) including implement alternating for right or left hand operation (162) reversal of implement adjusts diverse tool
172/163172 earth working/(133) diverse tools (163) jointer and plow
172/164172 earth working/(133) diverse tools (163) jointer and plow (164) rolling jointer
172/165172 earth working/(133) diverse tools (165) including colter
172/166172 earth working/(133) diverse tools (165) including colter (166) rolling colter
172/167172 earth working/(133) diverse tools (167) fixed point or share with rotary moldboard
172/168172 earth working/(133) diverse tools (168) rotating tool with fixed moldboard
172/169172 earth working/(133) diverse tools (169) including tool rotatable about vertical axis
172/170172 earth working/(133) diverse tools (170) including smooth levelling roller
172/171172 earth working/(133) diverse tools (170) including smooth levelling roller (171) spaced from moldboard side of plow
172/172172 earth working/(133) diverse tools (170) including smooth levelling roller (172) with diverse rolling tool
172/173172 earth working/(133) diverse tools (170) including smooth levelling roller (173) with teeth
172/174172 earth working/(133) diverse tools (174) rolling and non-rolling
172/175172 earth working/(133) diverse tools (174) rolling and non-rolling (175) following same path
172/176172 earth working/(133) diverse tools (174) rolling and non-rolling (175) following same path (176) furrowing or ridging implement followed by furrow or ridge roller
172/177172 earth working/(133) diverse tools (174) rolling and non-rolling (175) following same path (177) rolling tool has circumferentially spaced blades, tines or the like
172/178172 earth working/(133) diverse tools (174) rolling and non-rolling (175) following same path (178) including disk gang
172/179172 earth working/(133) diverse tools (174) rolling and non-rolling (175) following same path (179) non-rolling tool group with laterally co-extensive rolling tool
172/180172 earth working/(133) diverse tools (174) rolling and non-rolling (175) following same path (180) rolling precedes non-rolling (same path)
172/181172 earth working/(133) diverse tools (174) rolling and non-rolling (175) following same path (180) rolling precedes non-rolling (same path) (181) concave furrowing disk with trailing tool
172/182172 earth working/(133) diverse tools (174) rolling and non-rolling (182) laterally spaced
172/183172 earth working/(133) diverse tools (174) rolling and non-rolling (182) laterally spaced (183) with scissors or shearing action between adjacent faces
172/184172 earth working/(133) diverse tools (184) diverse rolling
172/185172 earth working/(133) diverse tools (184) diverse rolling (185) spaced on same axis of rotation
172/186172 earth working/(133) diverse tools (184) diverse rolling (186) plane and dished disks
172/187172 earth working/(133) diverse tools (184) diverse rolling (187) differing in size
172/188172 earth working/(133) diverse tools (188) runner attached
172/189172 earth working/(133) diverse tools (189) including fabric or flexible tool
172/190172 earth working/(133) diverse tools (190) including vertical, longitudinally oriented disc or blade (e.g., as stabilizer)
172/191172 earth working/(133) diverse tools (190) including vertical, longitudinally oriented disc or blade (e.g., as stabilizer) (191) plural
172/192172 earth working/(133) diverse tools (192) including horizontal knife or cutter
172/193172 earth working/(133) diverse tools (193) first tool with spaced trailing sweep
172/194172 earth working/(133) diverse tools (193) first tool with spaced trailing sweep (194) sweep adjustable
172/195172 earth working/(133) diverse tools (195) second implement follows path of first
172/196172 earth working/(133) diverse tools (195) second implement follows path of first (196) including subsoiler
172/197172 earth working/(133) diverse tools (195) second implement follows path of first (197) teeth and scraper, leveller or drag
172/198172 earth working/(133) diverse tools (195) second implement follows path of first (198) including teeth
172/199172 earth working/(133) diverse tools (195) second implement follows path of first (199) including drag, scraper or levelling blade
172/200172 earth working/(133) diverse tools (195) second implement follows path of first (199) including drag, scraper or levelling blade (200) proceeded by implement of different type
172/201172 earth working/(133) diverse tools (201) laterally spaced
172/202172 earth working/(133) diverse tools (201) laterally spaced (202) spaced from moldboard side of plow
172/203172 earth working/(133) diverse tools (201) laterally spaced (202) spaced from moldboard side of plow (203) connected to moldboard or handle
172/204172 earth working/(204) alternating for right or left hand operation (other than scraper)
172/205172 earth working/(204) alternating for right or left hand operation (other than scraper) (205) draft revoluble on transverse axis
172/206172 earth working/(204) alternating for right or left hand operation (other than scraper) (206) interrelated tool shift and lateral movement of draft member
172/207172 earth working/(204) alternating for right or left hand operation (other than scraper) (206) interrelated tool shift and lateral movement of draft member (207) draft member reversed
172/208172 earth working/(204) alternating for right or left hand operation (other than scraper) (206) interrelated tool shift and lateral movement of draft member (208) draft member latch control
172/209172 earth working/(204) alternating for right or left hand operation (other than scraper) (209) interrelated tool lift and shift
172/210172 earth working/(204) alternating for right or left hand operation (other than scraper) (209) interrelated tool lift and shift (210) mast type hitch
172/211172 earth working/(204) alternating for right or left hand operation (other than scraper) (209) interrelated tool lift and shift (211) lift by ground support manipulation
172/212172 earth working/(204) alternating for right or left hand operation (other than scraper) (212) interrelated tool shift and ground support manipulation
172/213172 earth working/(204) alternating for right or left hand operation (other than scraper) (213) tools oriented for movement in opposite directions
172/214172 earth working/(204) alternating for right or left hand operation (other than scraper) (213) tools oriented for movement in opposite directions (214) wheeled frame with reversible draft member
172/215172 earth working/(204) alternating for right or left hand operation (other than scraper) (213) tools oriented for movement in opposite directions (215) tilting beam
172/216172 earth working/(204) alternating for right or left hand operation (other than scraper) (213) tools oriented for movement in opposite directions (216) pivoted about spaced transverse axes, or translated
172/217172 earth working/(204) alternating for right or left hand operation (other than scraper) (213) tools oriented for movement in opposite directions (217) with movable deflector
172/218172 earth working/(204) alternating for right or left hand operation (other than scraper) (218) shiftable moldboard
172/219172 earth working/(204) alternating for right or left hand operation (other than scraper) (219) tool shifted for opposite throw
172/220172 earth working/(204) alternating for right or left hand operation (other than scraper) (219) tool shifted for opposite throw (220) reversible disk with reversible cleaner
172/221172 earth working/(204) alternating for right or left hand operation (other than scraper) (219) tool shifted for opposite throw (221) plural tools shifted about individual vertical axes
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