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Classification Resources
 
Class   172EARTH WORKING
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 [List of Pre Grant Publications for class 172 subclass 1][List of Patents for class 172 subclass 1]1 PROCESSES
[List of Pre Grant Publications for class 172 subclass 2][List of Patents for class 172 subclass 2]2 AUTOMATIC POWER CONTROL
[List of Pre Grant Publications for class 172 subclass 13][List of Patents for class 172 subclass 13]13 LAWN EDGER
[List of Pre Grant Publications for class 172 subclass 19][List of Patents for class 172 subclass 19]19 SOD CUTTER
[List of Pre Grant Publications for class 172 subclass 21][List of Patents for class 172 subclass 21]21 LAWN AERATOR OR PERFORATOR, OR PLUG REMOVER
[List of Pre Grant Publications for class 172 subclass 23][List of Patents for class 172 subclass 23]23 DRIVEN FROM OR GUIDED BY STATIONARY OBJECT, OR ANCHORED
[List of Pre Grant Publications for class 172 subclass 27][List of Patents for class 172 subclass 27]27 WITH MEANS FOR CUTTING OR SHREDDING PLANTS WITHOUT SOIL DISTURBANCE
[List of Pre Grant Publications for class 172 subclass 29][List of Patents for class 172 subclass 29]29 WITH MEANS FOR SHIFTING SURFACE MATERIAL WITHOUT SOIL DISTURBANCE
 [List of Pre Grant Publications for class 172 subclass 32][List of Patents for class 172 subclass 32]32 WITH SEPARATING AFTER EARTH WORKING
 [List of Pre Grant Publications for class 172 subclass 33][List of Patents for class 172 subclass 33]33 WITH POWER DRIVEN MOLDBOARD, CONVEYER OR HANDLER
 [List of Pre Grant Publications for class 172 subclass 34][List of Patents for class 172 subclass 34]34 COMPLETE APPARATUS ADAPTED FOR USE UPSIDE DOWN
[List of Pre Grant Publications for class 172 subclass 35][List of Patents for class 172 subclass 35]35 WITH DRIVE MEANS FOR TOOL OR CLEANER
 [List of Pre Grant Publications for class 172 subclass 36][List of Patents for class 172 subclass 36]36 Subclass 36 indent level is 1 Subsurface shears or nippers
 [List of Pre Grant Publications for class 172 subclass 37][List of Patents for class 172 subclass 37]37 Subclass 37 indent level is 1 Tool rotated by attendant
 [List of Pre Grant Publications for class 172 subclass 38][List of Patents for class 172 subclass 38]38 Subclass 38 indent level is 1 With obstruction feeling device for moving or releasing implement
 [List of Pre Grant Publications for class 172 subclass 39][List of Patents for class 172 subclass 39]39 Subclass 39 indent level is 1 With cleaner or comminutor spaced from ground surface
 [List of Pre Grant Publications for class 172 subclass 40][List of Patents for class 172 subclass 40]40 Subclass 40 indent level is 1 Vibrating tool
 [List of Pre Grant Publications for class 172 subclass 41][List of Patents for class 172 subclass 41]41 Subclass 41 indent level is 1 Attendant supported tool
[List of Pre Grant Publications for class 172 subclass 42][List of Patents for class 172 subclass 42]42 Subclass 42 indent level is 1 Guided by walking attendant
 [List of Pre Grant Publications for class 172 subclass 44][List of Patents for class 172 subclass 44]44 Subclass 44 indent level is 1 Subsurface shaft or bar (e.g., rod weeder)
 [List of Pre Grant Publications for class 172 subclass 45][List of Patents for class 172 subclass 45]45 Subclass 45 indent level is 1 Flails
 [List of Pre Grant Publications for class 172 subclass 46][List of Patents for class 172 subclass 46]46 Subclass 46 indent level is 1 Coaxial tools oppositely rotated
 [List of Pre Grant Publications for class 172 subclass 47][List of Patents for class 172 subclass 47]47 Subclass 47 indent level is 1 With specific relationship of mast-type hitch (i.e., three-point hitch) to implement
[List of Pre Grant Publications for class 172 subclass 48][List of Patents for class 172 subclass 48]48 Subclass 48 indent level is 1 Plural driven tools
[List of Pre Grant Publications for class 172 subclass 61][List of Patents for class 172 subclass 61]61 Subclass 61 indent level is 1 Intermittent drive for tool
[List of Pre Grant Publications for class 172 subclass 63][List of Patents for class 172 subclass 63]63 Subclass 63 indent level is 1 With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.)
 [List of Pre Grant Publications for class 172 subclass 74][List of Patents for class 172 subclass 74]74 Subclass 74 indent level is 1 With power take-off from tool drive to adjust tool
 [List of Pre Grant Publications for class 172 subclass 75][List of Patents for class 172 subclass 75]75 Subclass 75 indent level is 1 Interconnected tool lift and drive control
[List of Pre Grant Publications for class 172 subclass 76][List of Patents for class 172 subclass 76]76 Subclass 76 indent level is 1 Implement with ground support for depth control
 [List of Pre Grant Publications for class 172 subclass 80][List of Patents for class 172 subclass 80]80 Subclass 80 indent level is 1 With wheel substitute (e.g., runner, etc.)
 [List of Pre Grant Publications for class 172 subclass 81][List of Patents for class 172 subclass 81]81 Subclass 81 indent level is 1 With plant deflector or protector
[List of Pre Grant Publications for class 172 subclass 82][List of Patents for class 172 subclass 82]82 Subclass 82 indent level is 1 Driven tool selectively shiftable along line of travel
[List of Pre Grant Publications for class 172 subclass 84][List of Patents for class 172 subclass 84]84 Subclass 84 indent level is 1 Simultaneously reciprocating and oscillating blade having elongated shank
 [List of Pre Grant Publications for class 172 subclass 90][List of Patents for class 172 subclass 90]90 Subclass 90 indent level is 1 Irregular or off-center ground-engaging wheel or support
[List of Pre Grant Publications for class 172 subclass 91][List of Patents for class 172 subclass 91]91 Subclass 91 indent level is 1 Blade movable with respect to cyclically driven carrier
 [List of Pre Grant Publications for class 172 subclass 97][List of Patents for class 172 subclass 97]97 Subclass 97 indent level is 1 Compound motion for tool (e.g., reciprocating and oscillating, reciprocating and rotating)
[List of Pre Grant Publications for class 172 subclass 98][List of Patents for class 172 subclass 98]98 Subclass 98 indent level is 1 Tool mounted for lateral shifting
 [List of Pre Grant Publications for class 172 subclass 100][List of Patents for class 172 subclass 100]100 Subclass 100 indent level is 1 Blade on endless driven belt or chain
[List of Pre Grant Publications for class 172 subclass 101][List of Patents for class 172 subclass 101]101 Subclass 101 indent level is 1 Tool guided for rectilinear reciprocation
[List of Pre Grant Publications for class 172 subclass 103][List of Patents for class 172 subclass 103]103 Subclass 103 indent level is 1 With overload relief or clutch in drive train (e.g., overload release, etc.)
[List of Pre Grant Publications for class 172 subclass 105][List of Patents for class 172 subclass 105]105 Subclass 105 indent level is 1 Driven from rolling or driven ground wheel
[List of Pre Grant Publications for class 172 subclass 107][List of Patents for class 172 subclass 107]107 Subclass 107 indent level is 1 Tool driven about horizontal, longitudinal axis
[List of Pre Grant Publications for class 172 subclass 110][List of Patents for class 172 subclass 110]110 Subclass 110 indent level is 1 Tool driven about generally vertical axis (e.g., oscillating choppers, etc.)
[List of Pre Grant Publications for class 172 subclass 112][List of Patents for class 172 subclass 112]112 Subclass 112 indent level is 1 With deflector or shield for thrown material
[List of Pre Grant Publications for class 172 subclass 114][List of Patents for class 172 subclass 114]114 Subclass 114 indent level is 1 Specific propelling means
 [List of Pre Grant Publications for class 172 subclass 117][List of Patents for class 172 subclass 117]117 Subclass 117 indent level is 1 Tool freely or yieldably mounted on chassis
[List of Pre Grant Publications for class 172 subclass 118][List of Patents for class 172 subclass 118]118 Subclass 118 indent level is 1 Tool driven about axis transverse to draft line
 [List of Pre Grant Publications for class 172 subclass 124][List of Patents for class 172 subclass 124]124 Subclass 124 indent level is 1 Tool driven about diagonal axis
 [List of Pre Grant Publications for class 172 subclass 125][List of Patents for class 172 subclass 125]125 Subclass 125 indent level is 1 Tool drive details
[List of Pre Grant Publications for class 172 subclass 126][List of Patents for class 172 subclass 126]126 WITH EARTH MARKER
[List of Pre Grant Publications for class 172 subclass 777][List of Patents for class 172 subclass 777]777 SCRAPER SUPPORTS NARROW DEPENDING TOOL
 [List of Pre Grant Publications for class 172 subclass 779][List of Patents for class 172 subclass 779]779 SCRAPER POSITION AUTOMATICALLY CONTROLLED BY LINKAGE FOR LEVELLING
 [List of Pre Grant Publications for class 172 subclass 780][List of Patents for class 172 subclass 780]780 SCRAPER BETWEEN WIDELY SPACED FRONT AND REAR GROUND SUPPORTS
[List of Pre Grant Publications for class 172 subclass 781][List of Patents for class 172 subclass 781]781 SCRAPER BETWEEN FRONT AND REAR GROUND SUPPORTS OF VEHICLE
 [List of Pre Grant Publications for class 172 subclass 799.5][List of Patents for class 172 subclass 799.5]799.5 TOWED SCRAPER WITH GROUND SUPPORT WHEELS
[List of Pre Grant Publications for class 172 subclass 133][List of Patents for class 172 subclass 133]133 DIVERSE TOOLS
 [List of Pre Grant Publications for class 172 subclass 134][List of Patents for class 172 subclass 134]134 Subclass 134 indent level is 1 One located in path of implement wheel
 [List of Pre Grant Publications for class 172 subclass 135][List of Patents for class 172 subclass 135]135 Subclass 135 indent level is 1 One implement surrounds another
 [List of Pre Grant Publications for class 172 subclass 136][List of Patents for class 172 subclass 136]136 Subclass 136 indent level is 1 Tools usable alternately only
 [List of Pre Grant Publications for class 172 subclass 137][List of Patents for class 172 subclass 137]137 Subclass 137 indent level is 1 With means to vary spacing of tools upon turning
[List of Pre Grant Publications for class 172 subclass 138][List of Patents for class 172 subclass 138]138 Subclass 138 indent level is 1 With interconnected vertical adjustment
 [List of Pre Grant Publications for class 172 subclass 140][List of Patents for class 172 subclass 140]140 Subclass 140 indent level is 1 With independent means for vertical movement
 [List of Pre Grant Publications for class 172 subclass 141][List of Patents for class 172 subclass 141]141 Subclass 141 indent level is 1 Interconnected adjustment of horizontal angle of rolling and position of diverse tool
 [List of Pre Grant Publications for class 172 subclass 142][List of Patents for class 172 subclass 142]142 Subclass 142 indent level is 1 Including spring formed tool or standard
 [List of Pre Grant Publications for class 172 subclass 143][List of Patents for class 172 subclass 143]143 Subclass 143 indent level is 1 Including intermittently rolling tool
 [List of Pre Grant Publications for class 172 subclass 144][List of Patents for class 172 subclass 144]144 Subclass 144 indent level is 1 Colter, jointer and plow
[List of Pre Grant Publications for class 172 subclass 145][List of Patents for class 172 subclass 145]145 Subclass 145 indent level is 1 Three or more diverse implements following same path (A, B, C, or A, B, A,)
[List of Pre Grant Publications for class 172 subclass 152][List of Patents for class 172 subclass 152]152 Subclass 152 indent level is 1 At least four alternately diverse laterally spaced tools (A, B, A, B)
[List of Pre Grant Publications for class 172 subclass 155][List of Patents for class 172 subclass 155]155 Subclass 155 indent level is 1 Laterally spaced like tools with intermediate diverse tool (A, B, A)
[List of Pre Grant Publications for class 172 subclass 161][List of Patents for class 172 subclass 161]161 Subclass 161 indent level is 1 Including implement alternating for right or left hand operation
[List of Pre Grant Publications for class 172 subclass 163][List of Patents for class 172 subclass 163]163 Subclass 163 indent level is 1 Jointer and plow
[List of Pre Grant Publications for class 172 subclass 165][List of Patents for class 172 subclass 165]165 Subclass 165 indent level is 1 Including colter
 [List of Pre Grant Publications for class 172 subclass 167][List of Patents for class 172 subclass 167]167 Subclass 167 indent level is 1 Fixed point or share with rotary moldboard
 [List of Pre Grant Publications for class 172 subclass 168][List of Patents for class 172 subclass 168]168 Subclass 168 indent level is 1 Rotating tool with fixed moldboard
 [List of Pre Grant Publications for class 172 subclass 169][List of Patents for class 172 subclass 169]169 Subclass 169 indent level is 1 Including tool rotatable about vertical axis
[List of Pre Grant Publications for class 172 subclass 170][List of Patents for class 172 subclass 170]170 Subclass 170 indent level is 1 Including smooth levelling roller
[List of Pre Grant Publications for class 172 subclass 174][List of Patents for class 172 subclass 174]174 Subclass 174 indent level is 1 Rolling and non-rolling
[List of Pre Grant Publications for class 172 subclass 184][List of Patents for class 172 subclass 184]184 Subclass 184 indent level is 1 Diverse rolling
 [List of Pre Grant Publications for class 172 subclass 188][List of Patents for class 172 subclass 188]188 Subclass 188 indent level is 1 Runner attached
 [List of Pre Grant Publications for class 172 subclass 189][List of Patents for class 172 subclass 189]189 Subclass 189 indent level is 1 Including fabric or flexible tool
[List of Pre Grant Publications for class 172 subclass 190][List of Patents for class 172 subclass 190]190 Subclass 190 indent level is 1 Including vertical, longitudinally oriented disc or blade (e.g., as stabilizer)
 [List of Pre Grant Publications for class 172 subclass 192][List of Patents for class 172 subclass 192]192 Subclass 192 indent level is 1 Including horizontal knife or cutter
[List of Pre Grant Publications for class 172 subclass 193][List of Patents for class 172 subclass 193]193 Subclass 193 indent level is 1 First tool with spaced trailing sweep
[List of Pre Grant Publications for class 172 subclass 195][List of Patents for class 172 subclass 195]195 Subclass 195 indent level is 1 Second implement follows path of first
[List of Pre Grant Publications for class 172 subclass 201][List of Patents for class 172 subclass 201]201 Subclass 201 indent level is 1 Laterally spaced
[List of Pre Grant Publications for class 172 subclass 204][List of Patents for class 172 subclass 204]204 ALTERNATING FOR RIGHT OR LEFT HAND OPERATION (OTHER THAN SCRAPER)
[List of Pre Grant Publications for class 172 subclass 233][List of Patents for class 172 subclass 233]233 WITH OBSTRUCTION FEELER FOR MOVING OR RELEASING IMPLEMENT TO AVOID OBSTRUCTION (INCLUDES DAM FORMER)
[List of Pre Grant Publications for class 172 subclass 236][List of Patents for class 172 subclass 236]236 GROUND ENGAGEABLE DRAFT RESPONSIVE LEVER
 [List of Pre Grant Publications for class 172 subclass 238][List of Patents for class 172 subclass 238]238 GROUND SUPPORT MOVED VERTICALLY RELATIVE TO FRAME BY DRAFT MEANS
 [List of Pre Grant Publications for class 172 subclass 239][List of Patents for class 172 subclass 239]239 DRAFT, PITCH OR GROUND LEVEL RESPONSIVE DEPTH CONTROL
[List of Pre Grant Publications for class 172 subclass 240][List of Patents for class 172 subclass 240]240 WITH GROUND SUPPORT ENGAGEABLE WITH GROUND FOR TRANSPORT ONLY
[List of Pre Grant Publications for class 172 subclass 245][List of Patents for class 172 subclass 245]245 CONVERTIBLE; OR CHANGEABLE BY DISASSEMBLY OR ASSEMBLY
 [List of Pre Grant Publications for class 172 subclass 255][List of Patents for class 172 subclass 255]255 TURN LIFTS TOOL OFF OR LOWERS TOOL INTO GROUND
[List of Pre Grant Publications for class 172 subclass 256][List of Patents for class 172 subclass 256]256 PROPULSION UNIT GUIDED BY WALKING ATTENDANT OR PART OF ARTICULATED VEHICLE
 [List of Pre Grant Publications for class 172 subclass 260.5][List of Patents for class 172 subclass 260.5]260.5 HAVING TOOL OVERLOAD SHIFT CONTROLLED BY A FLUID PRESSURE DEVICE
[List of Pre Grant Publications for class 172 subclass 261][List of Patents for class 172 subclass 261]261 OVERLOAD SHIFTING
[List of Pre Grant Publications for class 172 subclass 272][List of Patents for class 172 subclass 272]272 WITH MEANS TO FACILITATE MOUNTING OF IMPLEMENT ON MOTOR VEHICLE
[List of Pre Grant Publications for class 172 subclass 810][List of Patents for class 172 subclass 810]810 MOUNTING FOR PUSHED TOOL AT END OF MOTOR VEHICLE
[List of Pre Grant Publications for class 172 subclass 278][List of Patents for class 172 subclass 278]278 WITH WHEEL STEERING OR ACTUATOR FOR HORIZONTALLY ANGLING WHEEL AXIS
 [List of Pre Grant Publications for class 172 subclass 292][List of Patents for class 172 subclass 292]292 SPECIFIC PROPELLING MEANS
[List of Pre Grant Publications for class 172 subclass 293][List of Patents for class 172 subclass 293]293 SERIES OF LIKE ELEMENTS SEQUENTIALLY OPERATED BY POWER CYCLE
[List of Pre Grant Publications for class 172 subclass 297][List of Patents for class 172 subclass 297]297 TOOL FORWARD OF REAR OF MOTOR VEHICLE
[List of Pre Grant Publications for class 172 subclass 310][List of Patents for class 172 subclass 310]310 PLURAL WHEELED IMPLEMENTS
[List of Pre Grant Publications for class 172 subclass 315][List of Patents for class 172 subclass 315]315 ACTUATOR ON TRAILING IMPLEMENT, CONTROLLED FROM PROPELLING VEHICLE
[List of Pre Grant Publications for class 172 subclass 317][List of Patents for class 172 subclass 317]317 ACTUATOR ON VEHICLE FOR RELATIVELY MOVING PARTS OF TRAILING IMPLEMENT
 [List of Pre Grant Publications for class 172 subclass 321][List of Patents for class 172 subclass 321]321 ACTUATOR ON VEHICLE FOR MOVING WHEELED IMPLEMENT
[List of Pre Grant Publications for class 172 subclass 322][List of Patents for class 172 subclass 322]322 WITH ACTUATOR FOR ROCKING TOOL ABOUT WHEEL AXIS
[List of Pre Grant Publications for class 172 subclass 324][List of Patents for class 172 subclass 324]324 WITH ACTUATOR ON TRAILING GROUND SUPPORTED FRAME FOR MOVING DRAFT MEANS LATERALLY OR VERTICALLY
[List of Pre Grant Publications for class 172 subclass 329][List of Patents for class 172 subclass 329]329 GUIDED BY WALKING ATTENDANT; SUPPORTED, PROPELLED, OR HELD IN POSITION BY ATTENDANT
 [List of Pre Grant Publications for class 172 subclass 330][List of Patents for class 172 subclass 330]330 Subclass 330 indent level is 1 With seat for moving hitch
 [List of Pre Grant Publications for class 172 subclass 331][List of Patents for class 172 subclass 331]331 Subclass 331 indent level is 1 Hitch guided relative to supporting frame
[List of Pre Grant Publications for class 172 subclass 332][List of Patents for class 172 subclass 332]332 Subclass 332 indent level is 1 Tool manipulated with respect to mounting frame
[List of Pre Grant Publications for class 172 subclass 349][List of Patents for class 172 subclass 349]349 Subclass 349 indent level is 1 Rolling tool
[List of Pre Grant Publications for class 172 subclass 351][List of Patents for class 172 subclass 351]351 Subclass 351 indent level is 1 Guided or propelled by walking attendant and with ground support or draft means
 [List of Pre Grant Publications for class 172 subclass 370][List of Patents for class 172 subclass 370]370 Subclass 370 indent level is 1 With attendant attaching means
[List of Pre Grant Publications for class 172 subclass 371][List of Patents for class 172 subclass 371]371 Subclass 371 indent level is 1 Hand tool
 [List of Pre Grant Publications for class 172 subclass 382][List of Patents for class 172 subclass 382]382 MULTIPLE LEVEL TOOLS
[List of Pre Grant Publications for class 172 subclass 383][List of Patents for class 172 subclass 383]383 AXIS OF ROTATION OF WHEEL LOCKABLE OR ANGULARLY ADJUSTABLE
[List of Pre Grant Publications for class 172 subclass 387][List of Patents for class 172 subclass 387]387 WITH WHEEL SUBSTITUTE (E.G., RUNNER, ETC.)
[List of Pre Grant Publications for class 172 subclass 395][List of Patents for class 172 subclass 395]395 WITH GROUND SUPPORT VERTICALLY ADJUSTABLE RELATIVE TO FRAME
 [List of Pre Grant Publications for class 172 subclass 430][List of Patents for class 172 subclass 430]430 WITH INDICATING OR SIGHTING MEANS
[List of Pre Grant Publications for class 172 subclass 431][List of Patents for class 172 subclass 431]431 WITH SEAT OR ATTENDANT'S STATION
 [List of Pre Grant Publications for class 172 subclass 437][List of Patents for class 172 subclass 437]437 WITH TOOL SHARPENER
 [List of Pre Grant Publications for class 172 subclass 438][List of Patents for class 172 subclass 438]438 COMBINED
[List of Pre Grant Publications for class 172 subclass 439][List of Patents for class 172 subclass 439]439 MAST TYPE HITCH (E.G., THREE POINT HITCH, ETC.)
[List of Pre Grant Publications for class 172 subclass 452][List of Patents for class 172 subclass 452]452 WITH ACTUATOR ADAPTED TO LIFT TOOL FOR TRANSPORT ON WHEELED FRAME OR BROADLY CLAIMED IMPLEMENT
 [List of Pre Grant Publications for class 172 subclass 453][List of Patents for class 172 subclass 453]453 Subclass 453 indent level is 1 Actuator electrically powered
[List of Pre Grant Publications for class 172 subclass 454][List of Patents for class 172 subclass 454]454 Subclass 454 indent level is 1 Angled gangs lifted as a unit
 [List of Pre Grant Publications for class 172 subclass 456][List of Patents for class 172 subclass 456]456 Subclass 456 indent level is 1 Central group liftable vertically, side groups movable inwardly
 [List of Pre Grant Publications for class 172 subclass 457][List of Patents for class 172 subclass 457]457 Subclass 457 indent level is 1 With means to restrain lateral sway when raised
 [List of Pre Grant Publications for class 172 subclass 458][List of Patents for class 172 subclass 458]458 Subclass 458 indent level is 1 Vertical movement interrelated with another
[List of Pre Grant Publications for class 172 subclass 459][List of Patents for class 172 subclass 459]459 Subclass 459 indent level is 1 Pivotable about longitudinal axis (e.g., lateral levelling, etc.)
 [List of Pre Grant Publications for class 172 subclass 461][List of Patents for class 172 subclass 461]461 Subclass 461 indent level is 1 Tool lifted with respect to stationary or relatively movable cleaner
 [List of Pre Grant Publications for class 172 subclass 462][List of Patents for class 172 subclass 462]462 Subclass 462 indent level is 1 Plural tools, individually spring biased down, lifted as unit
 [List of Pre Grant Publications for class 172 subclass 463][List of Patents for class 172 subclass 463]463 Subclass 463 indent level is 1 Lift actuator moves with tool or forms removable unit therewith
 [List of Pre Grant Publications for class 172 subclass 464][List of Patents for class 172 subclass 464]464 Subclass 464 indent level is 1 Servo-motor forces tool down
 [List of Pre Grant Publications for class 172 subclass 465][List of Patents for class 172 subclass 465]465 Subclass 465 indent level is 1 Servo-motor with follow-up control (e.g., motion responsive position control, etc.)
 [List of Pre Grant Publications for class 172 subclass 466][List of Patents for class 172 subclass 466]466 Subclass 466 indent level is 1 Tool held raised for relieving load on servo-motor
 [List of Pre Grant Publications for class 172 subclass 467][List of Patents for class 172 subclass 467]467 Subclass 467 indent level is 1 With shiftable hitch causing vertical movement
[List of Pre Grant Publications for class 172 subclass 468][List of Patents for class 172 subclass 468]468 Subclass 468 indent level is 1 Plural tools, independently actuatable
 [List of Pre Grant Publications for class 172 subclass 472][List of Patents for class 172 subclass 472]472 Subclass 472 indent level is 1 Plural tools simultaneously raised, individually lowered
 [List of Pre Grant Publications for class 172 subclass 473][List of Patents for class 172 subclass 473]473 Subclass 473 indent level is 1 Tool differentially or sequentially lifted at longitudinally spaced points
[List of Pre Grant Publications for class 172 subclass 474][List of Patents for class 172 subclass 474]474 Subclass 474 indent level is 1 Tool rocked about independently vertically adjustable transverse axis
[List of Pre Grant Publications for class 172 subclass 476][List of Patents for class 172 subclass 476]476 Subclass 476 indent level is 1 With lateral adjustment
 [List of Pre Grant Publications for class 172 subclass 478][List of Patents for class 172 subclass 478]478 Subclass 478 indent level is 1 Tool and lift actuator on opposite sides of transverse pivot axis
 [List of Pre Grant Publications for class 172 subclass 479][List of Patents for class 172 subclass 479]479 Subclass 479 indent level is 1 Tool lifted forward of transverse pivot axis
 [List of Pre Grant Publications for class 172 subclass 480][List of Patents for class 172 subclass 480]480 Subclass 480 indent level is 1 Tool swung about freely shiftable or delayed pivot
 [List of Pre Grant Publications for class 172 subclass 481][List of Patents for class 172 subclass 481]481 Subclass 481 indent level is 1 With separate latch
 [List of Pre Grant Publications for class 172 subclass 482][List of Patents for class 172 subclass 482]482 Subclass 482 indent level is 1 Tool swings about rock shaft axis
[List of Pre Grant Publications for class 172 subclass 483][List of Patents for class 172 subclass 483]483 Subclass 483 indent level is 1 Translatable tool
[List of Pre Grant Publications for class 172 subclass 485][List of Patents for class 172 subclass 485]485 Subclass 485 indent level is 1 Power actuator with manual adjusting or supplemental manual actuating means
[List of Pre Grant Publications for class 172 subclass 488][List of Patents for class 172 subclass 488]488 Subclass 488 indent level is 1 Single lift actuator for plural relatively movable tools
 [List of Pre Grant Publications for class 172 subclass 490][List of Patents for class 172 subclass 490]490 Subclass 490 indent level is 1 Rotary drum actuator
 [List of Pre Grant Publications for class 172 subclass 491][List of Patents for class 172 subclass 491]491 Subclass 491 indent level is 1 Servo-motor actuator
[List of Pre Grant Publications for class 172 subclass 492][List of Patents for class 172 subclass 492]492 Subclass 492 indent level is 1 With power take-off for actuator
 [List of Pre Grant Publications for class 172 subclass 494][List of Patents for class 172 subclass 494]494 Subclass 494 indent level is 1 Overcenter or toggle holding means
[List of Pre Grant Publications for class 172 subclass 495][List of Patents for class 172 subclass 495]495 Subclass 495 indent level is 1 Foot operated actuator
[List of Pre Grant Publications for class 172 subclass 497][List of Patents for class 172 subclass 497]497 Subclass 497 indent level is 1 Tool spring biased during operation
[List of Pre Grant Publications for class 172 subclass 501][List of Patents for class 172 subclass 501]501 Subclass 501 indent level is 1 Lost motion connection between actuator and tool
 [List of Pre Grant Publications for class 172 subclass 503][List of Patents for class 172 subclass 503]503 Subclass 503 indent level is 1 Actuator slidably connected to tool
 [List of Pre Grant Publications for class 172 subclass 504][List of Patents for class 172 subclass 504]504 Subclass 504 indent level is 1 Screw actuator
 [List of Pre Grant Publications for class 172 subclass 505][List of Patents for class 172 subclass 505]505 Subclass 505 indent level is 1 Tool connected to frame by bail
 [List of Pre Grant Publications for class 172 subclass 506][List of Patents for class 172 subclass 506]506 Subclass 506 indent level is 1 Spring assisted or spring actuator
 [List of Pre Grant Publications for class 172 subclass 507][List of Patents for class 172 subclass 507]507 GROUND SUPPORT MOVABLE HORIZONTALLY
[List of Pre Grant Publications for class 172 subclass 508][List of Patents for class 172 subclass 508]508 WITH GUARD, SHIELD OR PLANT DIVERTER
[List of Pre Grant Publications for class 172 subclass 518][List of Patents for class 172 subclass 518]518 ROLLING, ROTATING OR ORBITALLY MOVING TOOL
 [List of Pre Grant Publications for class 172 subclass 519][List of Patents for class 172 subclass 519]519 Subclass 519 indent level is 1 Yieldable material rim (e.g., rubber, etc.)
 [List of Pre Grant Publications for class 172 subclass 520][List of Patents for class 172 subclass 520]520 Subclass 520 indent level is 1 Tools on different axes in mutual driving relationship
 [List of Pre Grant Publications for class 172 subclass 521][List of Patents for class 172 subclass 521]521 Subclass 521 indent level is 1 With power take-off from tool or wheel
[List of Pre Grant Publications for class 172 subclass 522][List of Patents for class 172 subclass 522]522 Subclass 522 indent level is 1 Axis substantially vertical
 [List of Pre Grant Publications for class 172 subclass 527][List of Patents for class 172 subclass 527]527 Subclass 527 indent level is 1 Axis substantially longitudinal
[List of Pre Grant Publications for class 172 subclass 528][List of Patents for class 172 subclass 528]528 Subclass 528 indent level is 1 With means for stopping or retarding rotation
 [List of Pre Grant Publications for class 172 subclass 531][List of Patents for class 172 subclass 531]531 Subclass 531 indent level is 1 Wobble discs
 [List of Pre Grant Publications for class 172 subclass 532][List of Patents for class 172 subclass 532]532 Subclass 532 indent level is 1 Screw or spiral
 [List of Pre Grant Publications for class 172 subclass 533][List of Patents for class 172 subclass 533]533 Subclass 533 indent level is 1 Clutch between shaft and rotating element
 [List of Pre Grant Publications for class 172 subclass 534][List of Patents for class 172 subclass 534]534 Subclass 534 indent level is 1 Wheel or roller with peripherally spaced plant saving means
 [List of Pre Grant Publications for class 172 subclass 535][List of Patents for class 172 subclass 535]535 Subclass 535 indent level is 1 Detachable rim for disk
 [List of Pre Grant Publications for class 172 subclass 536][List of Patents for class 172 subclass 536]536 Subclass 536 indent level is 1 Wheel, roller or gauge and axially adjacent tool on same axis
 [List of Pre Grant Publications for class 172 subclass 537][List of Patents for class 172 subclass 537]537 Subclass 537 indent level is 1 Corrugated surface rollers
 [List of Pre Grant Publications for class 172 subclass 538][List of Patents for class 172 subclass 538]538 Subclass 538 indent level is 1 Paired press rims (e.g., planter press wheels, etc.)
 [List of Pre Grant Publications for class 172 subclass 539][List of Patents for class 172 subclass 539]539 Subclass 539 indent level is 1 Smooth roller with groove, rim or disk
[List of Pre Grant Publications for class 172 subclass 540][List of Patents for class 172 subclass 540]540 Subclass 540 indent level is 1 Tool has circumferentially spaced teeth, tines, blades or the like
 [List of Pre Grant Publications for class 172 subclass 557][List of Patents for class 172 subclass 557]557 Subclass 557 indent level is 1 Rim with spokes
[List of Pre Grant Publications for class 172 subclass 558][List of Patents for class 172 subclass 558]558 Subclass 558 indent level is 1 With disk cleaning means
 [List of Pre Grant Publications for class 172 subclass 567][List of Patents for class 172 subclass 567]567 Subclass 567 indent level is 1 Disk gang and single disk on diverse axes
 [List of Pre Grant Publications for class 172 subclass 568][List of Patents for class 172 subclass 568]568 Subclass 568 indent level is 1 Disk gang with movable or removable section
 [List of Pre Grant Publications for class 172 subclass 569][List of Patents for class 172 subclass 569]569 Subclass 569 indent level is 1 Disks pivoted on vertical axes with interconnected means for moving them indentically
[List of Pre Grant Publications for class 172 subclass 570][List of Patents for class 172 subclass 570]570 Subclass 570 indent level is 1 With spring means other than for detent
[List of Pre Grant Publications for class 172 subclass 574][List of Patents for class 172 subclass 574]574 Subclass 574 indent level is 1 Plural disks with individual mount or axis
 [List of Pre Grant Publications for class 172 subclass 577][List of Patents for class 172 subclass 577]577 Subclass 577 indent level is 1 Reversible group
 [List of Pre Grant Publications for class 172 subclass 578][List of Patents for class 172 subclass 578]578 Subclass 578 indent level is 1 With wheel (not on motor vehicle)
[List of Pre Grant Publications for class 172 subclass 579][List of Patents for class 172 subclass 579]579 Subclass 579 indent level is 1 Plural groups of disks
[List of Pre Grant Publications for class 172 subclass 599][List of Patents for class 172 subclass 599]599 Subclass 599 indent level is 1 Disk gang
 [List of Pre Grant Publications for class 172 subclass 602][List of Patents for class 172 subclass 602]602 Subclass 602 indent level is 1 Single disk freely swayable
 [List of Pre Grant Publications for class 172 subclass 603][List of Patents for class 172 subclass 603]603 Subclass 603 indent level is 1 Disk horizontally angularly changeable
 [List of Pre Grant Publications for class 172 subclass 604][List of Patents for class 172 subclass 604]604 Subclass 604 indent level is 1 Detailed disk structure per se
 [List of Pre Grant Publications for class 172 subclass 605][List of Patents for class 172 subclass 605]605 SHIFTABLE HITCH MOVES TOOL RELATIVE TO FRAME
[List of Pre Grant Publications for class 172 subclass 606][List of Patents for class 172 subclass 606]606 WITH CLEANER
 [List of Pre Grant Publications for class 172 subclass 611][List of Patents for class 172 subclass 611]611 WITH WEIGHT
 [List of Pre Grant Publications for class 172 subclass 612][List of Patents for class 172 subclass 612]612 FABRIC OR FLEXIBLE TOOL
[List of Pre Grant Publications for class 172 subclass 613][List of Patents for class 172 subclass 613]613 PLURAL RELATIVELY MOVABLE TOOLS
[List of Pre Grant Publications for class 172 subclass 614][List of Patents for class 172 subclass 614]614 Subclass 614 indent level is 1 Tool pivots on pivoted member when member moves
 [List of Pre Grant Publications for class 172 subclass 618][List of Patents for class 172 subclass 618]618 Subclass 618 indent level is 1 Tools assume different angularity for opposite draft
[List of Pre Grant Publications for class 172 subclass 619][List of Patents for class 172 subclass 619]619 Subclass 619 indent level is 1 Plural tool groups relatively vertically movable because of operation
[List of Pre Grant Publications for class 172 subclass 634][List of Patents for class 172 subclass 634]634 Subclass 634 indent level is 1 Parallel, pivotally adjusted tool bars
 [List of Pre Grant Publications for class 172 subclass 640][List of Patents for class 172 subclass 640]640 Subclass 640 indent level is 1 Tool group pivotally adjustable about horizontal axis
 [List of Pre Grant Publications for class 172 subclass 641][List of Patents for class 172 subclass 641]641 Subclass 641 indent level is 1 Beam spreader of the pivoted yoke type
 [List of Pre Grant Publications for class 172 subclass 642][List of Patents for class 172 subclass 642]642 Subclass 642 indent level is 1 Pair of tools cooperate to move earth to or from plant row
 [List of Pre Grant Publications for class 172 subclass 643][List of Patents for class 172 subclass 643]643 Subclass 643 indent level is 1 Spring formed tool or standard
 [List of Pre Grant Publications for class 172 subclass 644][List of Patents for class 172 subclass 644]644 Subclass 644 indent level is 1 Tools longitudinally adjustable to and from transverse alignment
[List of Pre Grant Publications for class 172 subclass 645][List of Patents for class 172 subclass 645]645 Subclass 645 indent level is 1 Tools relatively adjustable horizontally without causing vertical displacement
[List of Pre Grant Publications for class 172 subclass 657][List of Patents for class 172 subclass 657]657 Subclass 657 indent level is 1 Relatively movable because of operation
[List of Pre Grant Publications for class 172 subclass 659][List of Patents for class 172 subclass 659]659 Subclass 659 indent level is 1 Adjustable about spaced horizontal axes
 [List of Pre Grant Publications for class 172 subclass 661][List of Patents for class 172 subclass 661]661 Subclass 661 indent level is 1 Vertically translatable tool
 [List of Pre Grant Publications for class 172 subclass 662][List of Patents for class 172 subclass 662]662 Subclass 662 indent level is 1 Tool movable to non-use position
[List of Pre Grant Publications for class 172 subclass 663][List of Patents for class 172 subclass 663]663 WITH ACTUATOR
[List of Pre Grant Publications for class 172 subclass 669][List of Patents for class 172 subclass 669]669 WITH WHEEL; OR SUPPORTED ON WHEEL FRAME OR BROADLY CLAIMED IMPLEMENT
[List of Pre Grant Publications for class 172 subclass 677][List of Patents for class 172 subclass 677]677 WITH DRAFT DETAIL
[List of Pre Grant Publications for class 172 subclass 681][List of Patents for class 172 subclass 681]681 TOOL, STANDARD OR CONNECTION
 [List of Pre Grant Publications for class 172 subclass 682][List of Patents for class 172 subclass 682]682 Subclass 682 indent level is 1 Tool flexed to change contour
 [List of Pre Grant Publications for class 172 subclass 683][List of Patents for class 172 subclass 683]683 Subclass 683 indent level is 1 Latched in earth working position
 [List of Pre Grant Publications for class 172 subclass 684][List of Patents for class 172 subclass 684]684 Subclass 684 indent level is 1 Tool pivots on member when member moves
 [List of Pre Grant Publications for class 172 subclass 684.5][List of Patents for class 172 subclass 684.5]684.5 Subclass 684.5 indent level is 1 Frame-supported blade, scraper, or smoother drawn by vehicle
[List of Pre Grant Publications for class 172 subclass 685][List of Patents for class 172 subclass 685]685 Subclass 685 indent level is 1 Plural tools
 [List of Pre Grant Publications for class 172 subclass 698][List of Patents for class 172 subclass 698]698 Subclass 698 indent level is 1 Tool with laterally spaced standards
[List of Pre Grant Publications for class 172 subclass 699][List of Patents for class 172 subclass 699]699 Subclass 699 indent level is 1 Subsoilers
 [List of Pre Grant Publications for class 172 subclass 701][List of Patents for class 172 subclass 701]701 Subclass 701 indent level is 1 Ridgers
[List of Pre Grant Publications for class 172 subclass 701.1][List of Patents for class 172 subclass 701.1]701.1 Subclass 701.1 indent level is 1 Tool is transversely elongated blade (e.g., bulldozer)
[List of Pre Grant Publications for class 172 subclass 702][List of Patents for class 172 subclass 702]702 Subclass 702 indent level is 1 Reversible part
[List of Pre Grant Publications for class 172 subclass 705][List of Patents for class 172 subclass 705]705 Subclass 705 indent level is 1 Spring biased or formed tool or tool part
 [List of Pre Grant Publications for class 172 subclass 712][List of Patents for class 172 subclass 712]712 Subclass 712 indent level is 1 Tool assumes different position for opposite draft
 [List of Pre Grant Publications for class 172 subclass 713][List of Patents for class 172 subclass 713]713 Subclass 713 indent level is 1 Tooth
[List of Pre Grant Publications for class 172 subclass 714][List of Patents for class 172 subclass 714]714 Subclass 714 indent level is 1 Plural earth engaging parts relatively movable because of operation
 [List of Pre Grant Publications for class 172 subclass 719][List of Patents for class 172 subclass 719]719 Subclass 719 indent level is 1 With add-on cutting or wearing element applied directly over, or onto, the original cutting element
 [List of Pre Grant Publications for class 172 subclass 720][List of Patents for class 172 subclass 720]720 Subclass 720 indent level is 1 Subsurface blade (e.g., weeder, etc.)
[List of Pre Grant Publications for class 172 subclass 721][List of Patents for class 172 subclass 721]721 Subclass 721 indent level is 1 Non-rectangular, symmetrical type
[List of Pre Grant Publications for class 172 subclass 734][List of Patents for class 172 subclass 734]734 Subclass 734 indent level is 1 Adjustable
 [List of Pre Grant Publications for class 172 subclass 745][List of Patents for class 172 subclass 745]745 Subclass 745 indent level is 1 Welded
 [List of Pre Grant Publications for class 172 subclass 746][List of Patents for class 172 subclass 746]746 Subclass 746 indent level is 1 With portion extended beyond landslide
 [List of Pre Grant Publications for class 172 subclass 747][List of Patents for class 172 subclass 747]747 Subclass 747 indent level is 1 Specific material
 [List of Pre Grant Publications for class 172 subclass 748][List of Patents for class 172 subclass 748]748 Subclass 748 indent level is 1 Pivoted tool
[List of Pre Grant Publications for class 172 subclass 749][List of Patents for class 172 subclass 749]749 Subclass 749 indent level is 1 Having separable parts interconnected without detachable fastening means
 [List of Pre Grant Publications for class 172 subclass 752][List of Patents for class 172 subclass 752]752 Subclass 752 indent level is 1 With separable vertical planar longitudinal cutter (e.g., colter, etc.)
 [List of Pre Grant Publications for class 172 subclass 753][List of Patents for class 172 subclass 753]753 Subclass 753 indent level is 1 Interlocked or interfitted parts
[List of Pre Grant Publications for class 172 subclass 754][List of Patents for class 172 subclass 754]754 Subclass 754 indent level is 1 Share and furrow slice inverting moldboard
 [List of Pre Grant Publications for class 172 subclass 762][List of Patents for class 172 subclass 762]762 Subclass 762 indent level is 1 Specific tool and standard connection
 [List of Pre Grant Publications for class 172 subclass 763][List of Patents for class 172 subclass 763]763 Subclass 763 indent level is 1 Specific standard and beam connection
 [List of Pre Grant Publications for class 172 subclass 764][List of Patents for class 172 subclass 764]764 Subclass 764 indent level is 1 With separate runner, gauge, shoe or landslide
[List of Pre Grant Publications for class 172 subclass 765][List of Patents for class 172 subclass 765]765 Subclass 765 indent level is 1 Specific tool shape
[List of Pre Grant Publications for class 172 subclass 772][List of Patents for class 172 subclass 772]772 Subclass 772 indent level is 1 Removable tool portion (e.g., replaceable cutting or wearing element for tool)
[List of Pre Grant Publications for class 172 subclass 773][List of Patents for class 172 subclass 773]773 Subclass 773 indent level is 1 Specific standard
 [List of Pre Grant Publications for class 172 subclass 776][List of Patents for class 172 subclass 776]776 MISCELLANEOUS (E.G., FRAMES, ETC.)
 
CROSS-REFERENCE ART COLLECTIONS
 
 [List of Pre Grant Publications for class 172 subclass 900][List of Patents for class 172 subclass 900]900 PLANT THINNERS
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS