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Class   171UNEARTHING PLANTS OR BURIED OBJECTS
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 [List of Pre Grant Publications for class 171 subclass 1][List of Patents for class 171 subclass 1]1 METHODS OF RECOVERING BURIED OBJECTS
 [List of Pre Grant Publications for class 171 subclass 2][List of Patents for class 171 subclass 2]2 PLURAL ALTERNATELY USABLE UNEARTHING UNITS
 [List of Pre Grant Publications for class 171 subclass 3][List of Patents for class 171 subclass 3]3 STABILIZING COLTER OR FIN
 [List of Pre Grant Publications for class 171 subclass 4][List of Patents for class 171 subclass 4]4 WITH ADDITIONAL EARTH OR PLANT ROLLING IMPLEMENT
 [List of Pre Grant Publications for class 171 subclass 5][List of Patents for class 171 subclass 5]5 WITH VERTICAL CUTTER FOR VEGETATION
 [List of Pre Grant Publications for class 171 subclass 6][List of Patents for class 171 subclass 6]6 WITH EARTH MARKER OR TRAILING EARTH CONDITIONER
 [List of Pre Grant Publications for class 171 subclass 7][List of Patents for class 171 subclass 7]7 PERIODIC DUMPING IN PILES
 [List of Pre Grant Publications for class 171 subclass 8][List of Patents for class 171 subclass 8]8 DRIVE TRIGGERED BY DESIRED OBJECT
 [List of Pre Grant Publications for class 171 subclass 9][List of Patents for class 171 subclass 9]9 SUPPORT OVERLOAD RELEASE AND RESET; DRIVE OVERLOAD RELIEF; OR AUTOMATIC CONTROL
 [List of Pre Grant Publications for class 171 subclass 10][List of Patents for class 171 subclass 10]10 WITH PRELIMINARY REMOVAL OR UNDESIRED EARTH MATERIAL
 [List of Pre Grant Publications for class 171 subclass 11][List of Patents for class 171 subclass 11]11 REMOVABLE OR ALTERNATE COLLECTION RECEPTACLES
 [List of Pre Grant Publications for class 171 subclass 12][List of Patents for class 171 subclass 12]12 WITH APPARATUS CLEANER IN NONRECOVERY ZONE OF UNEARTHING UNIT
 [List of Pre Grant Publications for class 171 subclass 13][List of Patents for class 171 subclass 13]13 WITH TOOTHED MOVING STRIPPER OR PICK-OFF FOR UNDESIRED OBJECT
[List of Pre Grant Publications for class 171 subclass 14][List of Patents for class 171 subclass 14]14 RECOVERED OBJECT PASSES THROUGH SEPARATOR INTERSTICES
 [List of Pre Grant Publications for class 171 subclass 15][List of Patents for class 171 subclass 15]15 Subclass 15 indent level is 1 Assorting by size
 [List of Pre Grant Publications for class 171 subclass 16][List of Patents for class 171 subclass 16]16 RAILROAD BALLAST REMOVAL AND ASSORTING OR SEPARATING
 [List of Pre Grant Publications for class 171 subclass 17][List of Patents for class 171 subclass 17]17 SEPARATION OR ORIENTATION BY FLUID CURRENT OR SUSPENSION
 [List of Pre Grant Publications for class 171 subclass 18][List of Patents for class 171 subclass 18]18 SEPARATION BY PHYSICAL CHARACTERISTICS
 [List of Pre Grant Publications for class 171 subclass 19][List of Patents for class 171 subclass 19]19 WITH RAKE OR LATERAL DEFLECTOR FOR GROUND CONTACTING RECOVERED OBJECTS
 [List of Pre Grant Publications for class 171 subclass 20][List of Patents for class 171 subclass 20]20 WITH MANUAL OPERATION STATION (E.G., TOPPING, SEPARATION INSPECTION)
[List of Pre Grant Publications for class 171 subclass 21][List of Patents for class 171 subclass 21]21 HOLDING AND SEVERING PLANT PORTION IN SITU
 [List of Pre Grant Publications for class 171 subclass 22][List of Patents for class 171 subclass 22]22 Subclass 22 indent level is 1 Plural level cutters
 [List of Pre Grant Publications for class 171 subclass 23][List of Patents for class 171 subclass 23]23 WITH SELECTIVE DELIVERY TO ALTERNATE LOCATIONS (E.G., BY-PASS)
 [List of Pre Grant Publications for class 171 subclass 24][List of Patents for class 171 subclass 24]24 WITH COMMINUTING OR MULTIPLE CUTTING OF RECOVERED PLANT PART
 [List of Pre Grant Publications for class 171 subclass 25][List of Patents for class 171 subclass 25]25 WITH CLEANING OF RECOVERED OBJECT BY BRUSHING OR WIPING
[List of Pre Grant Publications for class 171 subclass 26][List of Patents for class 171 subclass 26]26 WITH ABOVE-GROUND MEANS FOR DETACHMENT OF PLANT PART
[List of Pre Grant Publications for class 171 subclass 27][List of Patents for class 171 subclass 27]27 Subclass 27 indent level is 1 Detachment by pulling, beating, shaking or crushing
 [List of Pre Grant Publications for class 171 subclass 28][List of Patents for class 171 subclass 28]28 Subclass 28 indent level is 2 By opposed rotary gripping elements
 [List of Pre Grant Publications for class 171 subclass 29][List of Patents for class 171 subclass 29]29 Subclass 29 indent level is 1 Separate successive topping stations
 [List of Pre Grant Publications for class 171 subclass 30][List of Patents for class 171 subclass 30]30 Subclass 30 indent level is 1 By non-driven rotatable cutter (e.g., rolling)
[List of Pre Grant Publications for class 171 subclass 31][List of Patents for class 171 subclass 31]31 Subclass 31 indent level is 1 Conveyer feed to or from cutter
 [List of Pre Grant Publications for class 171 subclass 32][List of Patents for class 171 subclass 32]32 Subclass 32 indent level is 2 Cutter positioned by gauge
 [List of Pre Grant Publications for class 171 subclass 33][List of Patents for class 171 subclass 33]33 Subclass 33 indent level is 2 With driven gauge
[List of Pre Grant Publications for class 171 subclass 34][List of Patents for class 171 subclass 34]34 Subclass 34 indent level is 2 With gauge
[List of Pre Grant Publications for class 171 subclass 36][List of Patents for class 171 subclass 36]36 Subclass 36 indent level is 2 Held by conveyer during cutting
 [List of Pre Grant Publications for class 171 subclass 40][List of Patents for class 171 subclass 40]40 Subclass 40 indent level is 1 With deflector or conveyer for detached plant part
[List of Pre Grant Publications for class 171 subclass 41][List of Patents for class 171 subclass 41]41 Subclass 41 indent level is 1 Moving topping cutter
 [List of Pre Grant Publications for class 171 subclass 42][List of Patents for class 171 subclass 42]42 Subclass 42 indent level is 2 Rotary or endless
 [List of Pre Grant Publications for class 171 subclass 43][List of Patents for class 171 subclass 43]43 COMBINED OR CONVERTIBLE
 [List of Pre Grant Publications for class 171 subclass 44][List of Patents for class 171 subclass 44]44 POWER MEANS TO SHIFT UNEARTHING UNIT PART
 [List of Pre Grant Publications for class 171 subclass 45][List of Patents for class 171 subclass 45]45 TRACTOR POWERED TRAILING UNEARTHING UNIT
 [List of Pre Grant Publications for class 171 subclass 46][List of Patents for class 171 subclass 46]46 UNEARTHING UNIT DETACHABLE FROM VEHICLE CHASSIS
 [List of Pre Grant Publications for class 171 subclass 47][List of Patents for class 171 subclass 47]47 UNEARTHING UNIT LATERALLY SHIFTABLE ON SUPPORT
 [List of Pre Grant Publications for class 171 subclass 48][List of Patents for class 171 subclass 48]48 SEPARATE DRAFT CONNECTIONS TO UNEARTHING UNIT AND UNEARTHING UNIT SUPPORT
 [List of Pre Grant Publications for class 171 subclass 49][List of Patents for class 171 subclass 49]49 MOVED OBJECT VOID FILLING OR EARTH HOLD DOWN
[List of Pre Grant Publications for class 171 subclass 50][List of Patents for class 171 subclass 50]50 EXTRACTOR
 [List of Pre Grant Publications for class 171 subclass 51][List of Patents for class 171 subclass 51]51 Subclass 51 indent level is 1 With agitator for extractor or extractor-carried object
 [List of Pre Grant Publications for class 171 subclass 52][List of Patents for class 171 subclass 52]52 Subclass 52 indent level is 1 With movable stripper
[List of Pre Grant Publications for class 171 subclass 53][List of Patents for class 171 subclass 53]53 Subclass 53 indent level is 1 Plant impaling or snagging (e.g., roots or tops)
 [List of Pre Grant Publications for class 171 subclass 54][List of Patents for class 171 subclass 54]54 Subclass 54 indent level is 2 Retractible to strip
[List of Pre Grant Publications for class 171 subclass 55][List of Patents for class 171 subclass 55]55 Subclass 55 indent level is 1 Opposed plant engagers
 [List of Pre Grant Publications for class 171 subclass 56][List of Patents for class 171 subclass 56]56 Subclass 56 indent level is 2 Jaw means relatively movably mounted on carrier means
 [List of Pre Grant Publications for class 171 subclass 57][List of Patents for class 171 subclass 57]57 Subclass 57 indent level is 2 Screw
 [List of Pre Grant Publications for class 171 subclass 58][List of Patents for class 171 subclass 58]58 Subclass 58 indent level is 2 Disc or roller
 [List of Pre Grant Publications for class 171 subclass 59][List of Patents for class 171 subclass 59]59 Subclass 59 indent level is 2 Claw type
[List of Pre Grant Publications for class 171 subclass 60][List of Patents for class 171 subclass 60]60 Subclass 60 indent level is 2 One a belt or belt carrier member
 [List of Pre Grant Publications for class 171 subclass 62][List of Patents for class 171 subclass 62]62 Subclass 62 indent level is 1 With digger or root cutter
[List of Pre Grant Publications for class 171 subclass 63][List of Patents for class 171 subclass 63]63 STONE GATHERING AND/OR UNEARTHING BY IMPELLING ABOVE-GROUND PLANT OR OBJECT PORTION
 [List of Pre Grant Publications for class 171 subclass 64][List of Patents for class 171 subclass 64]64 Subclass 64 indent level is 1 With underground stalk or root severing
 [List of Pre Grant Publications for class 171 subclass 65][List of Patents for class 171 subclass 65]65 Subclass 65 indent level is 1 Impeller inclined to line of draft
 [List of Pre Grant Publications for class 171 subclass 66][List of Patents for class 171 subclass 66]66 GROUND ENGAGING CHAIN SEPARATORS
[List of Pre Grant Publications for class 171 subclass 67][List of Patents for class 171 subclass 67]67 WITH PRELIMINARY DEFLECTOR FOR SURFACE MATERIAL
 [List of Pre Grant Publications for class 171 subclass 68][List of Patents for class 171 subclass 68]68 Subclass 68 indent level is 1 Driven deflector
 [List of Pre Grant Publications for class 171 subclass 69][List of Patents for class 171 subclass 69]69 Subclass 69 indent level is 1 Moving deflector
 [List of Pre Grant Publications for class 171 subclass 70][List of Patents for class 171 subclass 70]70 TRANSVERSELY MOVING SINGLE TINE ROW
[List of Pre Grant Publications for class 171 subclass 71][List of Patents for class 171 subclass 71]71 PLOW OR BLADE CONTINGUOUS TO VIBRATING SEPARATOR
 [List of Pre Grant Publications for class 171 subclass 72][List of Patents for class 171 subclass 72]72 Subclass 72 indent level is 1 With resilient support or drive connection
 [List of Pre Grant Publications for class 171 subclass 73][List of Patents for class 171 subclass 73]73 Subclass 73 indent level is 1 Transversely curved or inclined separator
 [List of Pre Grant Publications for class 171 subclass 74][List of Patents for class 171 subclass 74]74 Subclass 74 indent level is 1 With side walls or guides
[List of Pre Grant Publications for class 171 subclass 75][List of Patents for class 171 subclass 75]75 Subclass 75 indent level is 1 Plural separator sets of with articulated elements
 [List of Pre Grant Publications for class 171 subclass 76][List of Patents for class 171 subclass 76]76 Subclass 76 indent level is 2 Relatively moving interdigitated sets
 [List of Pre Grant Publications for class 171 subclass 77][List of Patents for class 171 subclass 77]77 Subclass 77 indent level is 1 Non-circular rolling support for a separator
 [List of Pre Grant Publications for class 171 subclass 78][List of Patents for class 171 subclass 78]78 Subclass 78 indent level is 1 Ground supported trailing separator
 [List of Pre Grant Publications for class 171 subclass 79][List of Patents for class 171 subclass 79]79 Subclass 79 indent level is 1 Supported on longitudinally spaced links
 [List of Pre Grant Publications for class 171 subclass 80][List of Patents for class 171 subclass 80]80 Subclass 80 indent level is 1 Swinging about longitudinal or inclined axis
 [List of Pre Grant Publications for class 171 subclass 81][List of Patents for class 171 subclass 81]81 Subclass 81 indent level is 1 Shifting laterally
 [List of Pre Grant Publications for class 171 subclass 82][List of Patents for class 171 subclass 82]82 UNEARTHING UNIT ROCKING OR FULCRUMED ON GROUND
 [List of Pre Grant Publications for class 171 subclass 83][List of Patents for class 171 subclass 83]83 LEADING PLOW OR CUTTER WITH CONTIGUOUS, FIXED INCLINED SEPARATOR
[List of Pre Grant Publications for class 171 subclass 84][List of Patents for class 171 subclass 84]84 SEPARATING DIGGER (E.G., VERTICAL COLLECTING TINES)
 [List of Pre Grant Publications for class 171 subclass 85][List of Patents for class 171 subclass 85]85 Subclass 85 indent level is 1 Moving impeller with cooperating circular arcuate guide
[List of Pre Grant Publications for class 171 subclass 86][List of Patents for class 171 subclass 86]86 Subclass 86 indent level is 1 Movable on supporting frame (e.g., pivoted)
 [List of Pre Grant Publications for class 171 subclass 87][List of Patents for class 171 subclass 87]87 Subclass 87 indent level is 2 With ejector on digger or digger carrier
 [List of Pre Grant Publications for class 171 subclass 88][List of Patents for class 171 subclass 88]88 Subclass 88 indent level is 2 Plural cooperating moving diggers
 [List of Pre Grant Publications for class 171 subclass 89][List of Patents for class 171 subclass 89]89 Subclass 89 indent level is 2 Moving diggers with intercepting moving stripper or conveyer
 [List of Pre Grant Publications for class 171 subclass 90][List of Patents for class 171 subclass 90]90 Subclass 90 indent level is 2 Moving digger with intercepting stripper or chute
 [List of Pre Grant Publications for class 171 subclass 91][List of Patents for class 171 subclass 91]91 Subclass 91 indent level is 2 Moving digger carrier with relatively moving digger
 [List of Pre Grant Publications for class 171 subclass 92][List of Patents for class 171 subclass 92]92 Subclass 92 indent level is 2 Separator or collector within annular or endless digger
 [List of Pre Grant Publications for class 171 subclass 93][List of Patents for class 171 subclass 93]93 Subclass 93 indent level is 2 Rolling or coaxial with traction wheel
 [List of Pre Grant Publications for class 171 subclass 94][List of Patents for class 171 subclass 94]94 Subclass 94 indent level is 2 Carried by endless flexible member
[List of Pre Grant Publications for class 171 subclass 95][List of Patents for class 171 subclass 95]95 Subclass 95 indent level is 2 Rotary
 [List of Pre Grant Publications for class 171 subclass 99][List of Patents for class 171 subclass 99]99 Subclass 99 indent level is 2 Cyclic
 [List of Pre Grant Publications for class 171 subclass 100][List of Patents for class 171 subclass 100]100 Subclass 100 indent level is 2 Pivoted about ground wheel axle
 [List of Pre Grant Publications for class 171 subclass 101][List of Patents for class 171 subclass 101]101 Subclass 101 indent level is 1 Separating digger intercepted by moving conveyer or impeller
 [List of Pre Grant Publications for class 171 subclass 102][List of Patents for class 171 subclass 102]102 Subclass 102 indent level is 1 Laterally deflecting diggers
 [List of Pre Grant Publications for class 171 subclass 103][List of Patents for class 171 subclass 103]103 Subclass 103 indent level is 1 Spaced, inclined shares or guides (pairs)
[List of Pre Grant Publications for class 171 subclass 104][List of Patents for class 171 subclass 104]104 Subclass 104 indent level is 1 Inclined lifting surfaces
 [List of Pre Grant Publications for class 171 subclass 105][List of Patents for class 171 subclass 105]105 Subclass 105 indent level is 2 Tines (e.g., forks)
 [List of Pre Grant Publications for class 171 subclass 106][List of Patents for class 171 subclass 106]106 Subclass 106 indent level is 2 Vertically stepped transverse elements
 [List of Pre Grant Publications for class 171 subclass 107][List of Patents for class 171 subclass 107]107 Subclass 107 indent level is 1 Tooth or tine arrangements or details
 [List of Pre Grant Publications for class 171 subclass 108][List of Patents for class 171 subclass 108]108 TRACTION WHEEL DRIVE DETAILS FOR UNEARTHING UNIT PART
 [List of Pre Grant Publications for class 171 subclass 109][List of Patents for class 171 subclass 109]109 UNEARTHING UNIT OR VEHICULAR BREAK-FRAME
 [List of Pre Grant Publications for class 171 subclass 110][List of Patents for class 171 subclass 110]110 DIGGER AND MOVING CONVEYER UNIT ADJUSTABLE RELATIVE TO CHASSIS
[List of Pre Grant Publications for class 171 subclass 111][List of Patents for class 171 subclass 111]111 EARTH REMOVAL AND SEPARATION
 [List of Pre Grant Publications for class 171 subclass 112][List of Patents for class 171 subclass 112]112 Subclass 112 indent level is 1 Rolling screen or sieve (e.g., wheel or belt)
 [List of Pre Grant Publications for class 171 subclass 113][List of Patents for class 171 subclass 113]113 Subclass 113 indent level is 1 Spiral conveyer for excavator or separator
[List of Pre Grant Publications for class 171 subclass 114][List of Patents for class 171 subclass 114]114 Subclass 114 indent level is 1 With impeller or clod breaker for excavator or separator
 [List of Pre Grant Publications for class 171 subclass 115][List of Patents for class 171 subclass 115]115 Subclass 115 indent level is 2 Transversely moving rotary member
 [List of Pre Grant Publications for class 171 subclass 116][List of Patents for class 171 subclass 116]116 Subclass 116 indent level is 2 Rotary
[List of Pre Grant Publications for class 171 subclass 117][List of Patents for class 171 subclass 117]117 Subclass 117 indent level is 2 Endless belt type impeller or breaker
 [List of Pre Grant Publications for class 171 subclass 121][List of Patents for class 171 subclass 121]121 Subclass 121 indent level is 2 Impeller or breaker driven through cyclic path
 [List of Pre Grant Publications for class 171 subclass 122][List of Patents for class 171 subclass 122]122 Subclass 122 indent level is 1 Clod pulverizer outside separating zone
 [List of Pre Grant Publications for class 171 subclass 123][List of Patents for class 171 subclass 123]123 Subclass 123 indent level is 1 Conveyer disposed below separator
[List of Pre Grant Publications for class 171 subclass 124][List of Patents for class 171 subclass 124]124 Subclass 124 indent level is 1 Moving conveyer, digger or separator
 [List of Pre Grant Publications for class 171 subclass 125][List of Patents for class 171 subclass 125]125 Subclass 125 indent level is 2 Rolling nonseparating elevator or conveyer
[List of Pre Grant Publications for class 171 subclass 126][List of Patents for class 171 subclass 126]126 Subclass 126 indent level is 2 Moving open separator or separating conveyer
 [List of Pre Grant Publications for class 171 subclass 134][List of Patents for class 171 subclass 134]134 Subclass 134 indent level is 2 Moving digger and separate separator
 [List of Pre Grant Publications for class 171 subclass 135][List of Patents for class 171 subclass 135]135 Subclass 135 indent level is 1 Separator formed in collector receptacle
 [List of Pre Grant Publications for class 171 subclass 136][List of Patents for class 171 subclass 136]136 Subclass 136 indent level is 1 Digger and fixedly interconnected contiguous separator
 [List of Pre Grant Publications for class 171 subclass 137][List of Patents for class 171 subclass 137]137 WITH PROTECTIVE GUARD OR CASING
 [List of Pre Grant Publications for class 171 subclass 138][List of Patents for class 171 subclass 138]138 WITH MATERIAL REDIRECTING CONVEYER OR CHUTE
 [List of Pre Grant Publications for class 171 subclass 139][List of Patents for class 171 subclass 139]139 UNEARTHING UNIT FIXED ON VERTICALLY SHIFTABLE VEHICLE FRAME
 [List of Pre Grant Publications for class 171 subclass 140][List of Patents for class 171 subclass 140]140 UNEARTHING UNIT WITH GAUGE RUNNER OR WHEEL
 [List of Pre Grant Publications for class 171 subclass 141][List of Patents for class 171 subclass 141]141 LIFTING OR TILTING MEANS FOR UNEARTHING APPARATUS
 [List of Pre Grant Publications for class 171 subclass 142][List of Patents for class 171 subclass 142]142 DRIVE DETAILS (E.G., CLUTCH OR GEARING)
 [List of Pre Grant Publications for class 171 subclass 143][List of Patents for class 171 subclass 143]143 FRAMES AND/OR WHEELED CHASSIS
 [List of Pre Grant Publications for class 171 subclass 144][List of Patents for class 171 subclass 144]144 MISCELLANEOUS (E.G., HOPPER OR COLLECTOR)
 
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DIGESTS
 
 [List of Pre Grant Publications for class 171 subclass DIG1][List of Patents for class 171 subclass DIG1] DIG1 PEANUT DIGGER

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