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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 3][List of Patents for class 172 subclass 3]3 Subclass 3 indent level is 1 Motive power control
 [List of Pre Grant Publications for class 172 subclass 4][List of Patents for class 172 subclass 4]4 Subclass 4 indent level is 1 Constant depth type
 [List of Pre Grant Publications for class 172 subclass 4.5][List of Patents for class 172 subclass 4.5]4.5 Subclass 4.5 indent level is 1 Land leveller type
[List of Pre Grant Publications for class 172 subclass 5][List of Patents for class 172 subclass 5]5 Subclass 5 indent level is 1 Obstruction sensing type (includes plant sensing)
 [List of Pre Grant Publications for class 172 subclass 6][List of Patents for class 172 subclass 6]6 Subclass 6 indent level is 2 Electrical
[List of Pre Grant Publications for class 172 subclass 7][List of Patents for class 172 subclass 7]7 Subclass 7 indent level is 1 Draft responsive
 [List of Pre Grant Publications for class 172 subclass 8][List of Patents for class 172 subclass 8]8 Subclass 8 indent level is 2 Variable rate responsive
 [List of Pre Grant Publications for class 172 subclass 9][List of Patents for class 172 subclass 9]9 Subclass 9 indent level is 2 With manual actuator to select type of condition sensed
 [List of Pre Grant Publications for class 172 subclass 10][List of Patents for class 172 subclass 10]10 Subclass 10 indent level is 2 Sensitivity adjustment
 [List of Pre Grant Publications for class 172 subclass 11][List of Patents for class 172 subclass 11]11 Subclass 11 indent level is 2 With excess draft release
 [List of Pre Grant Publications for class 172 subclass 12][List of Patents for class 172 subclass 12]12 Subclass 12 indent level is 2 Overload lift type
[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 14][List of Patents for class 172 subclass 14]14 Subclass 14 indent level is 1 With or convertible to non-earth working implement
[List of Pre Grant Publications for class 172 subclass 15][List of Patents for class 172 subclass 15]15 Subclass 15 indent level is 1 Rolling or driven cutter
 [List of Pre Grant Publications for class 172 subclass 16][List of Patents for class 172 subclass 16]16 Subclass 16 indent level is 2 With fixed cutter or furrower
 [List of Pre Grant Publications for class 172 subclass 17][List of Patents for class 172 subclass 17]17 Subclass 17 indent level is 1 With wheel or roller
 [List of Pre Grant Publications for class 172 subclass 18][List of Patents for class 172 subclass 18]18 Subclass 18 indent level is 1 Impact or grapple
[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 20][List of Patents for class 172 subclass 20]20 Subclass 20 indent level is 1 With means for vertical transverse cutting while moving
[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 22][List of Patents for class 172 subclass 22]22 Subclass 22 indent level is 1 Earth removing
[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 24][List of Patents for class 172 subclass 24]24 Subclass 24 indent level is 1 Around tree or stake
 [List of Pre Grant Publications for class 172 subclass 25][List of Patents for class 172 subclass 25]25 Subclass 25 indent level is 1 Rotatable about vertical axis
 [List of Pre Grant Publications for class 172 subclass 26][List of Patents for class 172 subclass 26]26 Subclass 26 indent level is 1 Guided by surface track or previously formed shoulder
[List of Pre Grant Publications for class 172 subclass 26.5][List of Patents for class 172 subclass 26.5]26.5 Subclass 26.5 indent level is 1 Dragline scraper
 [List of Pre Grant Publications for class 172 subclass 26.6][List of Patents for class 172 subclass 26.6]26.6 Subclass 26.6 indent level is 2 Scraper part rearranged upon reverse movement
[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 28][List of Patents for class 172 subclass 28]28 Subclass 28 indent level is 1 Driven
[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 30][List of Patents for class 172 subclass 30]30 Subclass 30 indent level is 1 Driven shifting means
 [List of Pre Grant Publications for class 172 subclass 31][List of Patents for class 172 subclass 31]31 Subclass 31 indent level is 1 Combined with rolling or vertically acting transverse cutter
 [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 43][List of Patents for class 172 subclass 43]43 Subclass 43 indent level is 2 With ground support vertically adjustable relative to frame
 [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 49][List of Patents for class 172 subclass 49]49 Subclass 49 indent level is 2 Contiguous cooperating or intermeshing rotary ground engaging tools
[List of Pre Grant Publications for class 172 subclass 50][List of Patents for class 172 subclass 50]50 Subclass 50 indent level is 2 Diverse tools
 [List of Pre Grant Publications for class 172 subclass 54.5][List of Patents for class 172 subclass 54.5]54.5 Subclass 54.5 indent level is 2 Tool reciprocates or oscillates within a generally horizontal plane
 [List of Pre Grant Publications for class 172 subclass 55][List of Patents for class 172 subclass 55]55 Subclass 55 indent level is 2 Plural groups of disks
 [List of Pre Grant Publications for class 172 subclass 56][List of Patents for class 172 subclass 56]56 Subclass 56 indent level is 2 Staggered tools
[List of Pre Grant Publications for class 172 subclass 57][List of Patents for class 172 subclass 57]57 Subclass 57 indent level is 2 Laterally spaced 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 62][List of Patents for class 172 subclass 62]62 Subclass 62 indent level is 2 With spring return
[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 64][List of Patents for class 172 subclass 64]64 Subclass 64 indent level is 2 Non-driven furrow opener and driven dam former
 [List of Pre Grant Publications for class 172 subclass 65][List of Patents for class 172 subclass 65]65 Subclass 65 indent level is 2 Interdigitating non-driven and driven tools
 [List of Pre Grant Publications for class 172 subclass 66][List of Patents for class 172 subclass 66]66 Subclass 66 indent level is 2 Cooperating driven cleaner or comminutor and contiguous tool
 [List of Pre Grant Publications for class 172 subclass 67][List of Patents for class 172 subclass 67]67 Subclass 67 indent level is 2 Driven comminutor at outlet of earth guide
[List of Pre Grant Publications for class 172 subclass 68][List of Patents for class 172 subclass 68]68 Subclass 68 indent level is 2 Rolling tool
 [List of Pre Grant Publications for class 172 subclass 70][List of Patents for class 172 subclass 70]70 Subclass 70 indent level is 2 Fore-and-aft non-driven tool
[List of Pre Grant Publications for class 172 subclass 71][List of Patents for class 172 subclass 71]71 Subclass 71 indent level is 2 Non-driven tool follows path of driven tool
 [List of Pre Grant Publications for class 172 subclass 73][List of Patents for class 172 subclass 73]73 Subclass 73 indent level is 2 Staggered driven and non-driven tool (e.g., cotton chopper, 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 77][List of Patents for class 172 subclass 77]77 Subclass 77 indent level is 2 Vertically biased implement
 [List of Pre Grant Publications for class 172 subclass 78][List of Patents for class 172 subclass 78]78 Subclass 78 indent level is 2 Vertically adjustable ground support
 [List of Pre Grant Publications for class 172 subclass 79][List of Patents for class 172 subclass 79]79 Subclass 79 indent level is 2 Tool driven from prime mover on vehicle
 [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 83][List of Patents for class 172 subclass 83]83 Subclass 83 indent level is 2 Tool drive interrupted by shifting tool
[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 85][List of Patents for class 172 subclass 85]85 Subclass 85 indent level is 2 Transverse chopping type
 [List of Pre Grant Publications for class 172 subclass 88][List of Patents for class 172 subclass 88]88 Subclass 88 indent level is 2 With plural cranks or cams driving each blade
 [List of Pre Grant Publications for class 172 subclass 89][List of Patents for class 172 subclass 89]89 Subclass 89 indent level is 2 Means for varying contour of path of blade
 [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 92][List of Patents for class 172 subclass 92]92 Subclass 92 indent level is 2 With means for moving blade
 [List of Pre Grant Publications for class 172 subclass 96][List of Patents for class 172 subclass 96]96 Subclass 96 indent level is 2 Blade flexible or with yieldable mount on 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 99][List of Patents for class 172 subclass 99]99 Subclass 99 indent level is 2 About generally vertical axis
 [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 102][List of Patents for class 172 subclass 102]102 Subclass 102 indent level is 2 Tool moves in horizontal, transverse path
[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 104][List of Patents for class 172 subclass 104]104 Subclass 104 indent level is 2 Unidirectional clutch in drive from ground wheel
[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 106][List of Patents for class 172 subclass 106]106 Subclass 106 indent level is 2 Belt or chain drive
[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 108][List of Patents for class 172 subclass 108]108 Subclass 108 indent level is 2 Rotary driven tool
[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 111][List of Patents for class 172 subclass 111]111 Subclass 111 indent level is 2 Rotary driven tool
[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 113][List of Patents for class 172 subclass 113]113 Subclass 113 indent level is 2 Laterally directed outlet flow
[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 115][List of Patents for class 172 subclass 115]115 Subclass 115 indent level is 2 Tool steers implement
 [List of Pre Grant Publications for class 172 subclass 116][List of Patents for class 172 subclass 116]116 Subclass 116 indent level is 2 Tool propels implement
 [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 119][List of Patents for class 172 subclass 119]119 Subclass 119 indent level is 2 Screw or spiral rib, blade or tooth row
 [List of Pre Grant Publications for class 172 subclass 120][List of Patents for class 172 subclass 120]120 Subclass 120 indent level is 2 Disk or planar cutter (e.g., saw, etc.)
 [List of Pre Grant Publications for class 172 subclass 121][List of Patents for class 172 subclass 121]121 Subclass 121 indent level is 2 Laterally extending bar or blade with skeleton support (e.g., lawn mower type, etc.)
 [List of Pre Grant Publications for class 172 subclass 122][List of Patents for class 172 subclass 122]122 Subclass 122 indent level is 2 Drum with teeth or blades
 [List of Pre Grant Publications for class 172 subclass 123][List of Patents for class 172 subclass 123]123 Subclass 123 indent level is 2 Rotary driven tool
 [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 127][List of Patents for class 172 subclass 127]127 Subclass 127 indent level is 1 Marker shiftable on turning
 [List of Pre Grant Publications for class 172 subclass 128][List of Patents for class 172 subclass 128]128 Subclass 128 indent level is 1 Marker adjusted upon raising implement
 [List of Pre Grant Publications for class 172 subclass 129][List of Patents for class 172 subclass 129]129 Subclass 129 indent level is 1 Ground wheel operated marker control
[List of Pre Grant Publications for class 172 subclass 130][List of Patents for class 172 subclass 130]130 Subclass 130 indent level is 1 Multiple interconnected markers
 [List of Pre Grant Publications for class 172 subclass 131][List of Patents for class 172 subclass 131]131 Subclass 131 indent level is 2 Markers on laterally shiftable member
 [List of Pre Grant Publications for class 172 subclass 132][List of Patents for class 172 subclass 132]132 Subclass 132 indent level is 1 Marker swingable about longitudinal axis to both sides
[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 778][List of Patents for class 172 subclass 778]778 Subclass 778 indent level is 1 Tool supporting clamp means engage upper and lower edges
 [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 782][List of Patents for class 172 subclass 782]782 Subclass 782 indent level is 1 With laterally offset inclined shoulder forming tool
 [List of Pre Grant Publications for class 172 subclass 783][List of Patents for class 172 subclass 783]783 Subclass 783 indent level is 1 With scraper attached ground support
[List of Pre Grant Publications for class 172 subclass 784][List of Patents for class 172 subclass 784]784 Subclass 784 indent level is 1 With diverse tool or portion
 [List of Pre Grant Publications for class 172 subclass 785][List of Patents for class 172 subclass 785]785 Subclass 785 indent level is 2 Non-scraping tool precedes and spaced from scraper
[List of Pre Grant Publications for class 172 subclass 786][List of Patents for class 172 subclass 786]786 Subclass 786 indent level is 1 Plural scrapers
 [List of Pre Grant Publications for class 172 subclass 787][List of Patents for class 172 subclass 787]787 Subclass 787 indent level is 2 Spaced and in same path
 [List of Pre Grant Publications for class 172 subclass 788][List of Patents for class 172 subclass 788]788 Subclass 788 indent level is 1 Push frame for scrapers
 [List of Pre Grant Publications for class 172 subclass 789][List of Patents for class 172 subclass 789]789 Subclass 789 indent level is 1 Actuator for bodily shifting scraper subframe draft connection
 [List of Pre Grant Publications for class 172 subclass 790][List of Patents for class 172 subclass 790]790 Subclass 790 indent level is 1 Counterbalance means for scraper adjustment
[List of Pre Grant Publications for class 172 subclass 791][List of Patents for class 172 subclass 791]791 Subclass 791 indent level is 1 Three or more independently operable scraper actuators
[List of Pre Grant Publications for class 172 subclass 792][List of Patents for class 172 subclass 792]792 Subclass 792 indent level is 2 Scraper adjustable about vertical axis of annular support
 [List of Pre Grant Publications for class 172 subclass 794][List of Patents for class 172 subclass 794]794 Subclass 794 indent level is 1 Spring biased into ground contact
[List of Pre Grant Publications for class 172 subclass 795][List of Patents for class 172 subclass 795]795 Subclass 795 indent level is 1 Specific actuator between frame and scraper
 [List of Pre Grant Publications for class 172 subclass 796][List of Patents for class 172 subclass 796]796 Subclass 796 indent level is 2 For adjustment about vertical axis
 [List of Pre Grant Publications for class 172 subclass 797][List of Patents for class 172 subclass 797]797 Subclass 797 indent level is 2 For adjustment about longitudinal axis
 [List of Pre Grant Publications for class 172 subclass 798][List of Patents for class 172 subclass 798]798 Subclass 798 indent level is 1 Actuator for tilting wheel relative to vehicle frame
 [List of Pre Grant Publications for class 172 subclass 799][List of Patents for class 172 subclass 799]799 Subclass 799 indent level is 1 Specific means for horizontally angling wheel relative to vehicle frame
 [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 139][List of Patents for class 172 subclass 139]139 Subclass 139 indent level is 2 Plow and colter
 [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 146][List of Patents for class 172 subclass 146]146 Subclass 146 indent level is 2 Four or more
 [List of Pre Grant Publications for class 172 subclass 148][List of Patents for class 172 subclass 148]148 Subclass 148 indent level is 2 Longitudinally spaced like implements with intermediate diverse implement (A, B, A)
[List of Pre Grant Publications for class 172 subclass 149][List of Patents for class 172 subclass 149]149 Subclass 149 indent level is 2 Including rolling tool
[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 153][List of Patents for class 172 subclass 153]153 Subclass 153 indent level is 2 Alternate rolling and non-rolling
 [List of Pre Grant Publications for class 172 subclass 154][List of Patents for class 172 subclass 154]154 Subclass 154 indent level is 2 All rolling
[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 156][List of Patents for class 172 subclass 156]156 Subclass 156 indent level is 2 Spaced rolling with intermediate nonrolling
 [List of Pre Grant Publications for class 172 subclass 157][List of Patents for class 172 subclass 157]157 Subclass 157 indent level is 2 Spaced non-rolling with intermediate rolling
 [List of Pre Grant Publications for class 172 subclass 158][List of Patents for class 172 subclass 158]158 Subclass 158 indent level is 2 All rolling
 [List of Pre Grant Publications for class 172 subclass 159][List of Patents for class 172 subclass 159]159 Subclass 159 indent level is 2 Spaced right and left hand tools with intermediate symmetrical tool
 [List of Pre Grant Publications for class 172 subclass 160][List of Patents for class 172 subclass 160]160 Subclass 160 indent level is 2 Including spike tooth
[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 162][List of Patents for class 172 subclass 162]162 Subclass 162 indent level is 2 Reversal of implement adjusts diverse tool
[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 164][List of Patents for class 172 subclass 164]164 Subclass 164 indent level is 2 Rolling jointer
[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 166][List of Patents for class 172 subclass 166]166 Subclass 166 indent level is 2 Rolling 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 171][List of Patents for class 172 subclass 171]171 Subclass 171 indent level is 2 Spaced from moldboard side of plow
 [List of Pre Grant Publications for class 172 subclass 172][List of Patents for class 172 subclass 172]172 Subclass 172 indent level is 2 With diverse rolling tool
 [List of Pre Grant Publications for class 172 subclass 173][List of Patents for class 172 subclass 173]173 Subclass 173 indent level is 2 With teeth
[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 175][List of Patents for class 172 subclass 175]175 Subclass 175 indent level is 2 Following same path
[List of Pre Grant Publications for class 172 subclass 182][List of Patents for class 172 subclass 182]182 Subclass 182 indent level is 2 Laterally spaced
[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 185][List of Patents for class 172 subclass 185]185 Subclass 185 indent level is 2 Spaced on same axis of rotation
 [List of Pre Grant Publications for class 172 subclass 186][List of Patents for class 172 subclass 186]186 Subclass 186 indent level is 2 Plane and dished disks
 [List of Pre Grant Publications for class 172 subclass 187][List of Patents for class 172 subclass 187]187 Subclass 187 indent level is 2 Differing in size
 [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 191][List of Patents for class 172 subclass 191]191 Subclass 191 indent level is 2 Plural
 [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 194][List of Patents for class 172 subclass 194]194 Subclass 194 indent level is 2 Sweep adjustable
[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 196][List of Patents for class 172 subclass 196]196 Subclass 196 indent level is 2 Including subsoiler
 [List of Pre Grant Publications for class 172 subclass 197][List of Patents for class 172 subclass 197]197 Subclass 197 indent level is 2 Teeth and scraper, leveller or drag
 [List of Pre Grant Publications for class 172 subclass 198][List of Patents for class 172 subclass 198]198 Subclass 198 indent level is 2 Including teeth
[List of Pre Grant Publications for class 172 subclass 199][List of Patents for class 172 subclass 199]199 Subclass 199 indent level is 2 Including drag, scraper or levelling blade
[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 202][List of Patents for class 172 subclass 202]202 Subclass 202 indent level is 2 Spaced from moldboard side of plow
[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 205][List of Patents for class 172 subclass 205]205 Subclass 205 indent level is 1 Draft revoluble on transverse axis
[List of Pre Grant Publications for class 172 subclass 206][List of Patents for class 172 subclass 206]206 Subclass 206 indent level is 1 Interrelated tool shift and lateral movement of draft member
 [List of Pre Grant Publications for class 172 subclass 207][List of Patents for class 172 subclass 207]207 Subclass 207 indent level is 2 Draft member reversed
 [List of Pre Grant Publications for class 172 subclass 208][List of Patents for class 172 subclass 208]208 Subclass 208 indent level is 2 Draft member latch control
[List of Pre Grant Publications for class 172 subclass 209][List of Patents for class 172 subclass 209]209 Subclass 209 indent level is 1 Interrelated tool lift and shift
 [List of Pre Grant Publications for class 172 subclass 210][List of Patents for class 172 subclass 210]210 Subclass 210 indent level is 2 Mast type hitch
 [List of Pre Grant Publications for class 172 subclass 211][List of Patents for class 172 subclass 211]211 Subclass 211 indent level is 2 Lift by ground support manipulation
 [List of Pre Grant Publications for class 172 subclass 212][List of Patents for class 172 subclass 212]212 Subclass 212 indent level is 1 Interrelated tool shift and ground support manipulation
[List of Pre Grant Publications for class 172 subclass 213][List of Patents for class 172 subclass 213]213 Subclass 213 indent level is 1 Tools oriented for movement in opposite directions
 [List of Pre Grant Publications for class 172 subclass 214][List of Patents for class 172 subclass 214]214 Subclass 214 indent level is 2 Wheeled frame with reversible draft member
 [List of Pre Grant Publications for class 172 subclass 215][List of Patents for class 172 subclass 215]215 Subclass 215 indent level is 2 Tilting beam
 [List of Pre Grant Publications for class 172 subclass 216][List of Patents for class 172 subclass 216]216 Subclass 216 indent level is 2 Pivoted about spaced transverse axes, or translated
 [List of Pre Grant Publications for class 172 subclass 217][List of Patents for class 172 subclass 217]217 Subclass 217 indent level is 2 With movable deflector
 [List of Pre Grant Publications for class 172 subclass 218][List of Patents for class 172 subclass 218]218 Subclass 218 indent level is 1 Shiftable moldboard
[List of Pre Grant Publications for class 172 subclass 219][List of Patents for class 172 subclass 219]219 Subclass 219 indent level is 1 Tool shifted for opposite throw
 [List of Pre Grant Publications for class 172 subclass 220][List of Patents for class 172 subclass 220]220 Subclass 220 indent level is 2 Reversible disk with reversible cleaner
[List of Pre Grant Publications for class 172 subclass 221][List of Patents for class 172 subclass 221]221 Subclass 221 indent level is 2 Plural tools shifted about individual vertical axes
 [List of Pre Grant Publications for class 172 subclass 223][List of Patents for class 172 subclass 223]223 Subclass 223 indent level is 2 Moldboard type shiftable about longitudinal axis
[List of Pre Grant Publications for class 172 subclass 224][List of Patents for class 172 subclass 224]224 Subclass 224 indent level is 1 Axially rotatable implement
[List of Pre Grant Publications for class 172 subclass 225][List of Patents for class 172 subclass 225]225 Subclass 225 indent level is 2 With actuator
[List of Pre Grant Publications for class 172 subclass 228][List of Patents for class 172 subclass 228]228 Subclass 228 indent level is 1 Parallel separate tools
 [List of Pre Grant Publications for class 172 subclass 229][List of Patents for class 172 subclass 229]229 Subclass 229 indent level is 2 Interconnected for simultaneous raising and lowering
[List of Pre Grant Publications for class 172 subclass 230][List of Patents for class 172 subclass 230]230 Subclass 230 indent level is 2 Independently operable
 [List of Pre Grant Publications for class 172 subclass 232][List of Patents for class 172 subclass 232]232 Subclass 232 indent level is 1 Oblique axis in longitudinal vertical plane
[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 234][List of Patents for class 172 subclass 234]234 Subclass 234 indent level is 1 Relatively movable
 [List of Pre Grant Publications for class 172 subclass 235][List of Patents for class 172 subclass 235]235 Subclass 235 indent level is 2 Latch releasing
[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 237][List of Patents for class 172 subclass 237]237 Subclass 237 indent level is 1 Roll over type implement
 [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 241][List of Patents for class 172 subclass 241]241 Subclass 241 indent level is 1 Apparatus inverted to engage ground support with ground
 [List of Pre Grant Publications for class 172 subclass 242][List of Patents for class 172 subclass 242]242 Subclass 242 indent level is 1 Implement tiltable on longitudinal axis
 [List of Pre Grant Publications for class 172 subclass 243][List of Patents for class 172 subclass 243]243 Subclass 243 indent level is 1 Tool changeable to or replaced by ground support
 [List of Pre Grant Publications for class 172 subclass 244][List of Patents for class 172 subclass 244]244 Subclass 244 indent level is 1 Tool and ground support moved together relative to frame
[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 246][List of Patents for class 172 subclass 246]246 Subclass 246 indent level is 1 To land vehicle with body
 [List of Pre Grant Publications for class 172 subclass 247][List of Patents for class 172 subclass 247]247 Subclass 247 indent level is 1 To device classifiable in another class
 [List of Pre Grant Publications for class 172 subclass 248][List of Patents for class 172 subclass 248]248 Subclass 248 indent level is 1 To different type of hitch
 [List of Pre Grant Publications for class 172 subclass 249][List of Patents for class 172 subclass 249]249 Subclass 249 indent level is 1 Plural simultaneously usable tools to single tool
[List of Pre Grant Publications for class 172 subclass 250][List of Patents for class 172 subclass 250]250 Subclass 250 indent level is 1 Changeable by disassembly or assembly
[List of Pre Grant Publications for class 172 subclass 251][List of Patents for class 172 subclass 251]251 Subclass 251 indent level is 2 Tool changeable to diverse tool
 [List of Pre Grant Publications for class 172 subclass 253][List of Patents for class 172 subclass 253]253 Subclass 253 indent level is 2 Tool added or substracted
 [List of Pre Grant Publications for class 172 subclass 254][List of Patents for class 172 subclass 254]254 Subclass 254 indent level is 2 Tool rearranged on support structure
 [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 257][List of Patents for class 172 subclass 257]257 Subclass 257 indent level is 1 Riding attendant
 [List of Pre Grant Publications for class 172 subclass 258][List of Patents for class 172 subclass 258]258 Subclass 258 indent level is 1 Endless track or single driven wheel
 [List of Pre Grant Publications for class 172 subclass 259][List of Patents for class 172 subclass 259]259 Subclass 259 indent level is 1 With vertically adjustable wheel
 [List of Pre Grant Publications for class 172 subclass 260][List of Patents for class 172 subclass 260]260 Subclass 260 indent level is 1 With actuator for moving earth working element vertically
 [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 262][List of Patents for class 172 subclass 262]262 Subclass 262 indent level is 1 Alternate tool brought into operation upon shift
 [List of Pre Grant Publications for class 172 subclass 263][List of Patents for class 172 subclass 263]263 Subclass 263 indent level is 1 Actuator released
[List of Pre Grant Publications for class 172 subclass 264][List of Patents for class 172 subclass 264]264 Subclass 264 indent level is 1 Against spring return device
[List of Pre Grant Publications for class 172 subclass 265][List of Patents for class 172 subclass 265]265 Subclass 265 indent level is 2 Swinging about fixed pivot axis
 [List of Pre Grant Publications for class 172 subclass 269][List of Patents for class 172 subclass 269]269 Subclass 269 indent level is 1 Resilient latch
 [List of Pre Grant Publications for class 172 subclass 270][List of Patents for class 172 subclass 270]270 Subclass 270 indent level is 1 Friction lock
 [List of Pre Grant Publications for class 172 subclass 271][List of Patents for class 172 subclass 271]271 Subclass 271 indent level is 1 Frangible lock (e.g., shear pin, etc.)
[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 273][List of Patents for class 172 subclass 273]273 Subclass 273 indent level is 1 Tool forward of rear of motor vehicle
 [List of Pre Grant Publications for class 172 subclass 274][List of Patents for class 172 subclass 274]274 Subclass 274 indent level is 1 Implement has ground support
 [List of Pre Grant Publications for class 172 subclass 275][List of Patents for class 172 subclass 275]275 Subclass 275 indent level is 1 Self-coupling by horizontal movement
[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 811][List of Patents for class 172 subclass 811]811 Subclass 811 indent level is 1 Transversely mounted blade (e.g., bulldozer, etc.)
 [List of Pre Grant Publications for class 172 subclass 812][List of Patents for class 172 subclass 812]812 Subclass 812 indent level is 2 With valve or pump for hydraulic control system
 [List of Pre Grant Publications for class 172 subclass 813][List of Patents for class 172 subclass 813]813 Subclass 813 indent level is 2 Fluid line specifically arranged, or shield for system component
 [List of Pre Grant Publications for class 172 subclass 814][List of Patents for class 172 subclass 814]814 Subclass 814 indent level is 2 Having means controlling drive for interconnected vehicles
 [List of Pre Grant Publications for class 172 subclass 815][List of Patents for class 172 subclass 815]815 Subclass 815 indent level is 2 Contiguous, relatively adjustable blades; or blade having relatively adjustable earth-engaging parts
 [List of Pre Grant Publications for class 172 subclass 816][List of Patents for class 172 subclass 816]816 Subclass 816 indent level is 2 Blade mounting includes resilient connection
 [List of Pre Grant Publications for class 172 subclass 817][List of Patents for class 172 subclass 817]817 Subclass 817 indent level is 2 Removable attachment for general purpose vehicle
[List of Pre Grant Publications for class 172 subclass 818][List of Patents for class 172 subclass 818]818 Subclass 818 indent level is 2 Blade angle adjustable in a horizontal plane
[List of Pre Grant Publications for class 172 subclass 824][List of Patents for class 172 subclass 824]824 Subclass 824 indent level is 2 Having adjustable tilt of angularly fixed blade
 [List of Pre Grant Publications for class 172 subclass 827][List of Patents for class 172 subclass 827]827 Subclass 827 indent level is 2 Having means to prevent lateral movement of mounting or blade
[List of Pre Grant Publications for class 172 subclass 828][List of Patents for class 172 subclass 828]828 Subclass 828 indent level is 2 With power means for raising and lowering blade
 [List of Pre Grant Publications for class 172 subclass 832][List of Patents for class 172 subclass 832]832 Subclass 832 indent level is 2 With blade-carried ground support
 [List of Pre Grant Publications for class 172 subclass 833][List of Patents for class 172 subclass 833]833 Subclass 833 indent level is 1 Tool prepares wheel path for passage of wheel
 [List of Pre Grant Publications for class 172 subclass 834][List of Patents for class 172 subclass 834]834 Subclass 834 indent level is 1 With tool-carried ground support
[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 279][List of Patents for class 172 subclass 279]279 Subclass 279 indent level is 1 Implement part interconnected with motor vehicle steering means
 [List of Pre Grant Publications for class 172 subclass 280][List of Patents for class 172 subclass 280]280 Subclass 280 indent level is 2 Implement wheel steered
 [List of Pre Grant Publications for class 172 subclass 281][List of Patents for class 172 subclass 281]281 Subclass 281 indent level is 2 Transverse tool bar laterally shiftable
[List of Pre Grant Publications for class 172 subclass 282][List of Patents for class 172 subclass 282]282 Subclass 282 indent level is 1 Wheel on trailing implement responds to turning movement
 [List of Pre Grant Publications for class 172 subclass 283][List of Patents for class 172 subclass 283]283 Subclass 283 indent level is 2 Interconnected with adjustable tool
 [List of Pre Grant Publications for class 172 subclass 284][List of Patents for class 172 subclass 284]284 Subclass 284 indent level is 2 With additional angular adjustment of wheel
 [List of Pre Grant Publications for class 172 subclass 285][List of Patents for class 172 subclass 285]285 Subclass 285 indent level is 2 Rear wheel turned or controlled
[List of Pre Grant Publications for class 172 subclass 286][List of Patents for class 172 subclass 286]286 Subclass 286 indent level is 1 Wheel on non-propelled device
 [List of Pre Grant Publications for class 172 subclass 287][List of Patents for class 172 subclass 287]287 Subclass 287 indent level is 2 Wheel interconnected with tool
[List of Pre Grant Publications for class 172 subclass 288][List of Patents for class 172 subclass 288]288 Subclass 288 indent level is 2 Plural interconnected relatively movable wheels
 [List of Pre Grant Publications for class 172 subclass 290][List of Patents for class 172 subclass 290]290 Subclass 290 indent level is 2 Swinging axle
 [List of Pre Grant Publications for class 172 subclass 291][List of Patents for class 172 subclass 291]291 Subclass 291 indent level is 2 Wheel behind tool
 [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 294][List of Patents for class 172 subclass 294]294 Subclass 294 indent level is 1 Sequentially operated servo-motors
 [List of Pre Grant Publications for class 172 subclass 295][List of Patents for class 172 subclass 295]295 Subclass 295 indent level is 1 Tool forward of rear of motor vehicle
 [List of Pre Grant Publications for class 172 subclass 296][List of Patents for class 172 subclass 296]296 Subclass 296 indent level is 1 Shaft with spirally arranged projections
[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 298][List of Patents for class 172 subclass 298]298 Subclass 298 indent level is 1 With ground support
 [List of Pre Grant Publications for class 172 subclass 299][List of Patents for class 172 subclass 299]299 Subclass 299 indent level is 1 Power actuator with cut-out or lock-out means
[List of Pre Grant Publications for class 172 subclass 300][List of Patents for class 172 subclass 300]300 Subclass 300 indent level is 1 With rearwardly mounted tool
[List of Pre Grant Publications for class 172 subclass 301][List of Patents for class 172 subclass 301]301 Subclass 301 indent level is 2 Tools actuated by independent power units
 [List of Pre Grant Publications for class 172 subclass 303][List of Patents for class 172 subclass 303]303 Subclass 303 indent level is 1 Power actuator with manual adjusting or supplemental manual actuating means
 [List of Pre Grant Publications for class 172 subclass 304][List of Patents for class 172 subclass 304]304 Subclass 304 indent level is 1 Tools independently actuatable
 [List of Pre Grant Publications for class 172 subclass 305][List of Patents for class 172 subclass 305]305 Subclass 305 indent level is 1 With means for moving tool laterally
 [List of Pre Grant Publications for class 172 subclass 306][List of Patents for class 172 subclass 306]306 Subclass 306 indent level is 1 Connected to front axle
 [List of Pre Grant Publications for class 172 subclass 307][List of Patents for class 172 subclass 307]307 Subclass 307 indent level is 1 Parallelogram type lift
 [List of Pre Grant Publications for class 172 subclass 308][List of Patents for class 172 subclass 308]308 Subclass 308 indent level is 1 With push bar
 [List of Pre Grant Publications for class 172 subclass 309][List of Patents for class 172 subclass 309]309 Subclass 309 indent level is 1 Pivoted on horizontal diagonal axis
[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 311][List of Patents for class 172 subclass 311]311 Subclass 311 indent level is 1 Outrigged implement adjustable inwardly
 [List of Pre Grant Publications for class 172 subclass 312][List of Patents for class 172 subclass 312]312 Subclass 312 indent level is 1 Implement draft connection forwardly of rear of self-propelled vehicle
 [List of Pre Grant Publications for class 172 subclass 313][List of Patents for class 172 subclass 313]313 Subclass 313 indent level is 1 Laterally spaced with separate draft tongues
 [List of Pre Grant Publications for class 172 subclass 314][List of Patents for class 172 subclass 314]314 Subclass 314 indent level is 1 Implements in echelon (e.g., gang plows, etc.)
[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 316][List of Patents for class 172 subclass 316]316 Subclass 316 indent level is 1 Servo-motor on implement
[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 318][List of Patents for class 172 subclass 318]318 Subclass 318 indent level is 1 Actuator on vehicle moves implement ground support vertically relative to implement frame
 [List of Pre Grant Publications for class 172 subclass 319][List of Patents for class 172 subclass 319]319 Subclass 319 indent level is 2 Interconnected means for moving hitch
 [List of Pre Grant Publications for class 172 subclass 320][List of Patents for class 172 subclass 320]320 Subclass 320 indent level is 1 Disk gang angling
 [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 323][List of Patents for class 172 subclass 323]323 Subclass 323 indent level is 1 Unstable wheeled frame moved by actuator
[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 325][List of Patents for class 172 subclass 325]325 Subclass 325 indent level is 1 Tool rigidly connected to tongue
[List of Pre Grant Publications for class 172 subclass 326][List of Patents for class 172 subclass 326]326 Subclass 326 indent level is 1 Vertically
[List of Pre Grant Publications for class 172 subclass 327][List of Patents for class 172 subclass 327]327 Subclass 327 indent level is 2 With vertically adjustable ground support
[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 333][List of Patents for class 172 subclass 333]333 Subclass 333 indent level is 2 Arched wheel frame (i.e., straddle row, etc.)
 [List of Pre Grant Publications for class 172 subclass 345][List of Patents for class 172 subclass 345]345 Subclass 345 indent level is 2 Manipulated about longitudinal axis
 [List of Pre Grant Publications for class 172 subclass 346][List of Patents for class 172 subclass 346]346 Subclass 346 indent level is 2 Plural tools independently or oppositely manipulable
 [List of Pre Grant Publications for class 172 subclass 347][List of Patents for class 172 subclass 347]347 Subclass 347 indent level is 2 Spring biased
 [List of Pre Grant Publications for class 172 subclass 348][List of Patents for class 172 subclass 348]348 Subclass 348 indent level is 2 Vertically manipulated
[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 350][List of Patents for class 172 subclass 350]350 Subclass 350 indent level is 2 Handle swingably mounted on axis of 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 352][List of Patents for class 172 subclass 352]352 Subclass 352 indent level is 2 With stepper propulsion means
 [List of Pre Grant Publications for class 172 subclass 353][List of Patents for class 172 subclass 353]353 Subclass 353 indent level is 2 With body harness or engaging means
[List of Pre Grant Publications for class 172 subclass 354][List of Patents for class 172 subclass 354]354 Subclass 354 indent level is 2 With wheel
 [List of Pre Grant Publications for class 172 subclass 360][List of Patents for class 172 subclass 360]360 Subclass 360 indent level is 2 With wheel substitute (e.g., runner, etc.)
 [List of Pre Grant Publications for class 172 subclass 361][List of Patents for class 172 subclass 361]361 Subclass 361 indent level is 2 Handle connected to tool or runner
 [List of Pre Grant Publications for class 172 subclass 362][List of Patents for class 172 subclass 362]362 Subclass 362 indent level is 2 Tool standard connected to handle
 [List of Pre Grant Publications for class 172 subclass 363][List of Patents for class 172 subclass 363]363 Subclass 363 indent level is 2 Plural handles associated with relatively adjustable tools
 [List of Pre Grant Publications for class 172 subclass 364][List of Patents for class 172 subclass 364]364 Subclass 364 indent level is 2 Handle mounted tool adjusting, latching or locking mechanism
[List of Pre Grant Publications for class 172 subclass 365][List of Patents for class 172 subclass 365]365 Subclass 365 indent level is 2 Tool and handle relatively adjustable
 [List of Pre Grant Publications for class 172 subclass 367][List of Patents for class 172 subclass 367]367 Subclass 367 indent level is 2 Multiple handles connected to multiple longitudinal tool carrying beams
[List of Pre Grant Publications for class 172 subclass 368][List of Patents for class 172 subclass 368]368 Subclass 368 indent level is 2 Plural handles connected to opposite sides of longitudinal beam
 [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 372][List of Patents for class 172 subclass 372]372 Subclass 372 indent level is 2 Adjustable
 [List of Pre Grant Publications for class 172 subclass 375][List of Patents for class 172 subclass 375]375 Subclass 375 indent level is 2 Alternately usable diverse tools or parts
 [List of Pre Grant Publications for class 172 subclass 376][List of Patents for class 172 subclass 376]376 Subclass 376 indent level is 2 Loop type
 [List of Pre Grant Publications for class 172 subclass 377][List of Patents for class 172 subclass 377]377 Subclass 377 indent level is 2 Channel type
[List of Pre Grant Publications for class 172 subclass 378][List of Patents for class 172 subclass 378]378 Subclass 378 indent level is 2 Plural prongs, teeth or serrations
 [List of Pre Grant Publications for class 172 subclass 381][List of Patents for class 172 subclass 381]381 Subclass 381 indent level is 2 Non-planar earth working portion
 [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 384][List of Patents for class 172 subclass 384]384 Subclass 384 indent level is 1 With actuator for tilting in a vertical plane
 [List of Pre Grant Publications for class 172 subclass 385][List of Patents for class 172 subclass 385]385 Subclass 385 indent level is 1 Adjustable stop
 [List of Pre Grant Publications for class 172 subclass 386][List of Patents for class 172 subclass 386]386 Subclass 386 indent level is 1 Lockable against free swinging
[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 388][List of Patents for class 172 subclass 388]388 Subclass 388 indent level is 1 With wheel
[List of Pre Grant Publications for class 172 subclass 389][List of Patents for class 172 subclass 389]389 Subclass 389 indent level is 1 Spring tooth implement
 [List of Pre Grant Publications for class 172 subclass 390][List of Patents for class 172 subclass 390]390 Subclass 390 indent level is 2 Parallel pivoted tooth bars
 [List of Pre Grant Publications for class 172 subclass 391][List of Patents for class 172 subclass 391]391 Subclass 391 indent level is 1 Spike tooth implement
 [List of Pre Grant Publications for class 172 subclass 392][List of Patents for class 172 subclass 392]392 Subclass 392 indent level is 1 Plural runner supported implements relatively movable during operation
 [List of Pre Grant Publications for class 172 subclass 393][List of Patents for class 172 subclass 393]393 Subclass 393 indent level is 1 Spaced parallel runners with tool mounted therebetween
 [List of Pre Grant Publications for class 172 subclass 394][List of Patents for class 172 subclass 394]394 Subclass 394 indent level is 1 Disk type tool
[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 396][List of Patents for class 172 subclass 396]396 Subclass 396 indent level is 1 Vertically adjustable or selectively lockable hitch
[List of Pre Grant Publications for class 172 subclass 397][List of Patents for class 172 subclass 397]397 Subclass 397 indent level is 1 Tool land ground support moved together relative to frame
 [List of Pre Grant Publications for class 172 subclass 398][List of Patents for class 172 subclass 398]398 Subclass 398 indent level is 2 Linkage to tool
 [List of Pre Grant Publications for class 172 subclass 399][List of Patents for class 172 subclass 399]399 Subclass 399 indent level is 1 With power take-off from plural wheels
[List of Pre Grant Publications for class 172 subclass 400][List of Patents for class 172 subclass 400]400 Subclass 400 indent level is 1 Actuator and interconnected means for adjusting wheels on different axles
[List of Pre Grant Publications for class 172 subclass 401][List of Patents for class 172 subclass 401]401 Subclass 401 indent level is 2 Three or more adjustable wheels on different axles interconnected
[List of Pre Grant Publications for class 172 subclass 403][List of Patents for class 172 subclass 403]403 Subclass 403 indent level is 2 With power take-off from wheel
 [List of Pre Grant Publications for class 172 subclass 405][List of Patents for class 172 subclass 405]405 Subclass 405 indent level is 2 One wheel translates another swings
 [List of Pre Grant Publications for class 172 subclass 406][List of Patents for class 172 subclass 406]406 Subclass 406 indent level is 2 With additional actuator changing relative position of wheels
[List of Pre Grant Publications for class 172 subclass 407][List of Patents for class 172 subclass 407]407 Subclass 407 indent level is 1 Power operated adjustment
[List of Pre Grant Publications for class 172 subclass 408][List of Patents for class 172 subclass 408]408 Subclass 408 indent level is 2 Wheel actuates its crank axle mount
 [List of Pre Grant Publications for class 172 subclass 413][List of Patents for class 172 subclass 413]413 Subclass 413 indent level is 2 Servo-motor adjusting means
 [List of Pre Grant Publications for class 172 subclass 414][List of Patents for class 172 subclass 414]414 Subclass 414 indent level is 1 Flexible or lost motion connection to actuator
[List of Pre Grant Publications for class 172 subclass 415][List of Patents for class 172 subclass 415]415 Subclass 415 indent level is 1 Translating motion
 [List of Pre Grant Publications for class 172 subclass 416][List of Patents for class 172 subclass 416]416 Subclass 416 indent level is 2 One ground support translates and another swings
 [List of Pre Grant Publications for class 172 subclass 417][List of Patents for class 172 subclass 417]417 Subclass 417 indent level is 2 Parallel links
[List of Pre Grant Publications for class 172 subclass 418][List of Patents for class 172 subclass 418]418 Subclass 418 indent level is 2 With actuator
 [List of Pre Grant Publications for class 172 subclass 421][List of Patents for class 172 subclass 421]421 Subclass 421 indent level is 1 Plural ground supports vertically adjustable relative to each other and the frame
 [List of Pre Grant Publications for class 172 subclass 422][List of Patents for class 172 subclass 422]422 Subclass 422 indent level is 1 Crank axle with angularly spaced wheel carrying arms
[List of Pre Grant Publications for class 172 subclass 423][List of Patents for class 172 subclass 423]423 Subclass 423 indent level is 1 With actuator
 [List of Pre Grant Publications for class 172 subclass 424][List of Patents for class 172 subclass 424]424 Subclass 424 indent level is 2 Spring assisted
[List of Pre Grant Publications for class 172 subclass 425][List of Patents for class 172 subclass 425]425 Subclass 425 indent level is 2 Gearing
 [List of Pre Grant Publications for class 172 subclass 429][List of Patents for class 172 subclass 429]429 Subclass 429 indent level is 2 Manually operated lever rigid with crank axle
 [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 432][List of Patents for class 172 subclass 432]432 Subclass 432 indent level is 1 Plural
 [List of Pre Grant Publications for class 172 subclass 433][List of Patents for class 172 subclass 433]433 Subclass 433 indent level is 1 Riding attachment
 [List of Pre Grant Publications for class 172 subclass 434][List of Patents for class 172 subclass 434]434 Subclass 434 indent level is 1 Movable to non-use position
 [List of Pre Grant Publications for class 172 subclass 435][List of Patents for class 172 subclass 435]435 Subclass 435 indent level is 1 Operator changes position or seat adjustable
 [List of Pre Grant Publications for class 172 subclass 436][List of Patents for class 172 subclass 436]436 Subclass 436 indent level is 1 Mounted on transverse member connecting plural implements
 [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 440][List of Patents for class 172 subclass 440]440 Subclass 440 indent level is 1 Angled gangs liftable as a unit
[List of Pre Grant Publications for class 172 subclass 441][List of Patents for class 172 subclass 441]441 Subclass 441 indent level is 2 Tandem gangs
 [List of Pre Grant Publications for class 172 subclass 443][List of Patents for class 172 subclass 443]443 Subclass 443 indent level is 1 Struts on trailer or between implement parts
 [List of Pre Grant Publications for class 172 subclass 444][List of Patents for class 172 subclass 444]444 Subclass 444 indent level is 1 Hitch quadrilateral modified during lift
 [List of Pre Grant Publications for class 172 subclass 445][List of Patents for class 172 subclass 445]445 Subclass 445 indent level is 1 With means operated by vertical hitch movement
[List of Pre Grant Publications for class 172 subclass 445.1][List of Patents for class 172 subclass 445.1]445.1 Subclass 445.1 indent level is 1 Including blade, scraper, or smoother
 [List of Pre Grant Publications for class 172 subclass 445.2][List of Patents for class 172 subclass 445.2]445.2 Subclass 445.2 indent level is 2 Angularly adjustable about vertical axis
[List of Pre Grant Publications for class 172 subclass 446][List of Patents for class 172 subclass 446]446 Subclass 446 indent level is 1 Laterally adjustable tool
 [List of Pre Grant Publications for class 172 subclass 447][List of Patents for class 172 subclass 447]447 Subclass 447 indent level is 2 Rockable about vertical axis
 [List of Pre Grant Publications for class 172 subclass 448][List of Patents for class 172 subclass 448]448 Subclass 448 indent level is 1 With auxiliary vertical adjustment
 [List of Pre Grant Publications for class 172 subclass 449][List of Patents for class 172 subclass 449]449 Subclass 449 indent level is 1 Tool movable relative to mast while earth working
 [List of Pre Grant Publications for class 172 subclass 450][List of Patents for class 172 subclass 450]450 Subclass 450 indent level is 1 Sway limiting means or swayable tool
 [List of Pre Grant Publications for class 172 subclass 451][List of Patents for class 172 subclass 451]451 Subclass 451 indent level is 1 With tool frame or bar extending beyond sides of vehicle
[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 455][List of Patents for class 172 subclass 455]455 Subclass 455 indent level is 2 Tandem gangs
 [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 460][List of Patents for class 172 subclass 460]460 Subclass 460 indent level is 2 Tool independently vertically adjustable at transversely spaced points
 [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 469][List of Patents for class 172 subclass 469]469 Subclass 469 indent level is 2 By single selectively connectable actuator
 [List of Pre Grant Publications for class 172 subclass 470][List of Patents for class 172 subclass 470]470 Subclass 470 indent level is 2 With separate actuator for concurrent lift or with interlock
 [List of Pre Grant Publications for class 172 subclass 471][List of Patents for class 172 subclass 471]471 Subclass 471 indent level is 2 Three or more independent actuators
 [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 475][List of Patents for class 172 subclass 475]475 Subclass 475 indent level is 2 Plural longitudinally spaced actuators
[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 477][List of Patents for class 172 subclass 477]477 Subclass 477 indent level is 2 Tool adjustable about vertical axis
 [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 484][List of Patents for class 172 subclass 484]484 Subclass 484 indent level is 2 By parallel links
[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 486][List of Patents for class 172 subclass 486]486 Subclass 486 indent level is 2 Manual actuation coextensive with power
 [List of Pre Grant Publications for class 172 subclass 487][List of Patents for class 172 subclass 487]487 Subclass 487 indent level is 2 Constant height depth adjustment
[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 489][List of Patents for class 172 subclass 489]489 Subclass 489 indent level is 2 Tools relatively moved during lift
 [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