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  • E02F3/00
    		•  Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) HB CC 2D011
  • E02F3/02
    		•  .hand-operated HB CC 2D011
  • E02F3/02@A
    		•  Shovels or similar articles thereof (See hand work tools under A 01 B 1/00.) HB CC 2D011
  • E02F3/02@B
    		•  .characterised by spoons HB CC 2D011
  • E02F3/02@G
    		•  ..End rims HB CC 2D011
  • E02F3/02@H
    		•  ..Bellies HB CC 2D011
  • E02F3/02@J
    		•  ...with holes HB CC 2D011
  • E02F3/02@K
    		•  ..Necks or shoulders HB CC 2D011
  • E02F3/02@C
    		•  .characterised by handles HB CC 2D011
  • E02F3/02@E
    		•  .characterised by handles or grips HB CC 2D011
  • E02F3/02@L
    		•  .for holes or deep holes with particular profile HB CC 2D011
  • E02F3/02@M
    		•  .Telescopic, disassembled or foldable HB CC 2D011
  • E02F3/02@N
    		•  .able to be used for other applications HB CC 2D011
  • E02F3/02@F
    		•  Pickaxes or similar articles thereof HB CC 2D011
  • E02F3/02@Z
    		•  Others HB CC 2D011
  • E02F3/04
    		•  .mechanically-driven HB CC 2D011
  • E02F3/06
    		•  ..with digging screws HB CC 2D011
  • E02F3/06@A
    		•  Digging while moving HB CC 2D011
  • E02F3/06@B
    		•  Digging without moving HB CC 2D011
  • E02F3/06@Z
    		•  Others HB CC 2D011
  • E02F3/08
    		•  ..with digging elements on an endless chain (conveyors B65G) HB CC 2D011
  • E02F3/10
    		•  ...with tools that only loosen the material HB CC 2D011
  • E02F3/12
    		•  ...Component parts HB CC 2D011
  • E02F3/14
    		•  ....Buckets; Chains; Guides for buckets or chains; Drives for chains HB CC 2D011
  • E02F3/16
    		•  ....Safety or control devices (safety devices in general F16P; controlling in general G05) HB CC 2D011
  • E02F3/18
    		•  ..with digging wheels turning round an axis HB CC 2D011
  • E02F3/18@A
    		•  used on ground HB CC 2D011
  • E02F3/18@C
    		•  .with one digging wheel HB CC 2D011
  • E02F3/18@D
    		•  .with multiple digging wheels HB CC 2D011
  • E02F3/18@B
    		•  used in water HB CC 2D011
  • E02F3/18@Z
    		•  Others HB CC 2D011
  • E02F3/20
    		•  ...with tools that only loosen the material HB CC 2D011
  • E02F3/22
    		•  ...Component parts HB CC 2D011
  • E02F3/24
    		•  ....Digging wheels; Digging elements of wheels; Drives for wheels HB CC 2D011
  • E02F3/24@A
    		•  Digging wheels HB CC 2D011
  • E02F3/24@B
    		•  Digging elements of wheel (See metal crafts of digging elements under E 02 F 9/28.) HB CC 2D011
  • E02F3/24@C
    		•  Wheel drivers HB CC 2D011
  • E02F3/24@Z
    		•  Others HB CC 2D011
  • E02F3/26
    		•  ....Safety or control devices (safety devices in general F16P; controlling in general G05) HB CC 2D011
  • E02F3/28
    		•  ..with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets [4] HB CC 2D012
  • E02F3/30
    		•  ...with a dipper-arm pivoted on a cantilever beam HB CC 2D012
  • E02F3/30@A
    		•  Digging by pulling toward front HB CC 2D012
  • E02F3/30@B
    		•  .Used on ground (e takes precedence) HB CC 2D012
  • E02F3/30@C
    		•  ..Adapted for digging holes HB CC 2D012
  • E02F3/30@D
    		•  .used in water (e takes precedence) HB CC 2D012
  • E02F3/30@E
    		•  .using of remote controllers HB CC 2D012
  • E02F3/30@F
    		•  Digging by pushing up toward front (a takes precedence) HB CC 2D012
  • E02F3/30@Z
    		•  Others HB CC 2D012
  • E02F3/32
    		•  ....working downwardly and towards the machine, e.g. with backhoes HB CC 2D012
  • E02F3/32@A
    		•  characterized by work unit motions HB CC 2D012
  • E02F3/32@B
    		•  .Turning along horizontal direction of work unit HB CC 2D012
  • E02F3/32@C
    		•  .Moving work unit along width direction of vehicle HB CC 2D012
  • E02F3/32@D
    		•  .Moving work unit along running direction of vehicle HB CC 2D012
  • E02F3/32@E
    		•  .Moving work unit along vertical direction of vehicle HB CC 2D012
  • E02F3/32@H
    		•  .Vertically oscillating work unit, e.g. limiting vertical oscillation of boom, limiting raising or lowering motion of boom, by hydraulic control R 3/43 A HB CC 2D012
  • E02F3/32@J
    		•  ..Linearly moving digging bucket, e.g. linear digging by mechanical motions, by hydraulic control R 3/43 C HB CC 2D012
  • E02F3/32@F
    		•  Rotating boom around lateral axis of work unit at its mount on vehicle body, rotation at an intermediary position on arm R 3/38 C, rotating bucket R 3/40 E HB CC 2D012
  • E02F3/32@G
    		•  Vertical, horizontal or tilting motion of upper rotating body relative to lower running body HB CC 2D012
  • E02F3/32@Z
    		•  Others HB CC 2D012
  • E02F3/34
    		•  ...with bucket-arms directly pivoted on the frames of tractors or self-propelled machines [4] HB CC 2D012
  • E02F3/342
    		•  ....Buckets emptying overhead (E02F 3/348-E02F 3/358 take precedence) [4] HB CC 2D012
  • E02F3/345
    		•  ....Buckets emptying side-ways (E02F 3/348-E02F 3/358 take precedence) [4] HB CC 2D012
  • E02F3/348
    		•  ....Buckets emptying into a collecting or conveying device [4] HB CC 2D012
  • E02F3/352
    		•  ....Buckets movable along a fixed guide [4] HB CC 2D012
  • E02F3/355
    		•  ....Buckets connected to the rear end of a tractor [4] HB CC 2D012
  • E02F3/358
    		•  ....Bucket-arms pivoted on a turntable being part of a tractor frame [4] HB CC 2D012
  • E02F3/36
    		•  ...Component parts HB CC 2D012
  • E02F3/36@A
    		•  with attachments that can replace bucket HB CC 2D012
  • E02F3/36@B
    		•  Mounting structures of work units to vehicle e.g. hitch, couplings HB CC 2D012
  • E02F3/36@C
    		•  Holding, supporting or connecting piping HB CC 2D012
  • E02F3/36@D
    		•  Securing or accommodating work units HB CC 2D012
  • E02F3/36@Z
    		•  Others HB CC 2D012
  • E02F3/38
    		•  ....Cantilever beams; Dipper-arms; Bucket-arms [4] HB CC 2D012
  • E02F3/38@A
    		•  Boom or arm structures (See booms under E 02 F 9/14.) HB CC 2D012
  • E02F3/38@B
    		•  Pivot structures of booms or arms (See E 02 F 9/00.) HB CC 2D012
  • E02F3/38@C
    		•  .Rotating boom or arm along lateral axis HB CC 2D012
  • E02F3/38@Z
    		•  Others HB CC 2D012
  • E02F3/39
    		•  .....with telescopic arms [4] HB CC 2D012
  • E02F3/40
    		•  ....Dippers; Buckets [4] HB CC 2D012
  • E02F3/40@A
    		•  Double gripping HB CC 2D012
  • E02F3/40@B
    		•  with attachments to bucket (See metal crafts of digging elements under E 02 F 9/28.) HB CC 2D012
  • E02F3/40@D
    		•  with vibrating or striking actions HB CC 2D012
  • E02F3/40@E
    		•  Mounting structures of bucket; hitches, quick couplers, couplings HB CC 2D012
  • E02F3/40@Z
    		•  Others HB CC 2D012
  • E02F3/407
    		•  .....with ejecting device [4] HB CC 2D012
  • E02F3/413
    		•  .....with grabbing device (grab equipment for cranes B66C) [4] HB CC 2D012
  • E02F3/42
    		•  ....Drives for dippers, buckets, dipper-arms or bucket-arms [4] HB CC 2D003
  • E02F3/43
    		•  .....Control of dipper or bucket position; Control of sequence of drive operations [4] HB CC 2D003
  • E02F3/43@A
    		•  Bucket position control HB CC 2D003
  • E02F3/43@B
    		•  .Involving attitude control HB CC 2D003
  • E02F3/43@C
    		•  ..Digging while pulling (back hoe type) HB CC 2D003
  • E02F3/43@D
    		•  ...Linearly moving bucket HB CC 2D003
  • E02F3/43@E
    		•  ...Arbitrary moving bucket HB CC 2D003
  • E02F3/43@F
    		•  ..Digging while pushing (loader type) HB CC 2D003
  • E02F3/43@G
    		•  ...Maintaining a constant bucket angle HB CC 2D003
  • E02F3/43@H
    		•  ...Automatic resetting HB CC 2D003
  • E02F3/43@J
    		•  Operation sequence control (A takes precedence) HB CC 2D003
  • E02F3/43@K
    		•  .Upon starting (3/43 @ M, N take precedence for interference, preventing overloading) HB CC 2D003
  • E02F3/43@L
    		•  .Upon stopping (3/43 @ M, N take precedence for interference, preventing overloading) HB CC 2D003
  • E02F3/43@M
    		•  .Preventing Interference HB CC 2D003
  • E02F3/43@N
    		•  .Preventing overloading HB CC 2D003
  • E02F3/43@P
    		•  Related to loaders (excluding position control) HB CC 2D003
  • E02F3/43@U
    		•  Related to skid steering loaders (excluding position control) HB CC 2D003
  • E02F3/43@Z
    		•  Others HB CC 2D003
  • E02F3/46
    		•  ..with reciprocating digging or scraping elements moved by cables or hoisting ropes [4] HB CC 2D011
  • E02F3/47
    		•  ...with grab buckets (grab equipment for cranes B66C) [4] HB CC 2D011
  • E02F3/47@A
    		•  rising and falling, or suspension devices HB CC 2D011
  • E02F3/47@B
    		•  .for digging holes or grooves HB CC 2D011
  • E02F3/47@C
    		•  buckets, opening and closing devices thereof HB CC 2D011
  • E02F3/47@D
    		•  .buckets per se HB CC 2D011
  • E02F3/47@E
    		•  .additional functions to buckets HB CC 2D011
  • E02F3/47@F
    		•  Operating or control devices HB CC 2D011
  • E02F3/47@Z
    		•  Others HB CC 2D011
  • E02F3/48
    		•  ...Drag-lines HB CC 2D011
  • E02F3/50
    		•  ...with buckets or other digging elements moved along a rigid guideway HB CC 2D011
  • E02F3/52
    		•  ...Cableway excavators (cable cranes B66C) HB CC 2D011
  • E02F3/54
    		•  ...Cable scrapers HB CC 2D011
  • E02F3/56
    		•  ....with hand-controlled scraper or other digging elements HB CC 2D011
  • E02F3/58
    		•  ...Component parts HB CC 2D011
  • E02F3/60
    		•  ....Buckets, scrapers, or other digging elements HB CC 2D011
  • E02F3/627
    		•  ..Devices to connect beams or arms to a tractor or similar self-propelled machine [4] HB CC 2D013
  • E02F3/633
    		•  ...Drives therefor [4] HB CC 2D013
  • E02F3/64
    		•  ..Bucket cars, i.e. having scraper bowls [4] HB CC 2D013
  • E02F3/64@A
    		•  Towed scrapers HB CC 2D013
  • E02F3/64@B
    		•  Self-running scrapers HB CC 2D013
  • E02F3/64@Z
    		•  Others HB CC 2D013
  • E02F3/65
    		•  ...Component parts, e.g. drives, control devices [4] HB CC 2D013
  • E02F3/65@A
    		•  Scraper bowls HB CC 2D013
  • E02F3/65@B
    		•  .Elevator mechanisms HB CC 2D013
  • E02F3/65@C
    		•  .Ejector mechanisms HB CC 2D013
  • E02F3/65@D
    		•  Connection mechanisms between scraper bowl and body HB CC 2D013
  • E02F3/65@E
    		•  Push-pull connectors HB CC 2D013
  • E02F3/65@F
    		•  Drivers; controls HB CC 2D013
  • E02F3/65@Z
    		•  Others HB CC 2D013
  • E02F3/76
    		•  ..Graders, bulldozers, or the like with scraper plates or ploughshare-like elements (soil working A01B); Levelling devices [4] HB CC 2D013
  • E02F3/76@A
    		•  Graders HB CC 2D013
  • E02F3/76@B
    		•  .Bulldozer drive mechanisms HB CC 2D013
  • E02F3/76@C
    		•  Bulldozers HB CC 2D013
  • E02F3/76@F
    		•  .Hand dozers HB CC 2D013
  • E02F3/76@G
    		•  .characterised by operation of work units HB CC 2D013
  • E02F3/76@H
    		•  .for work in water or on trees HB CC 2D013
  • E02F3/76@D
    		•  .Tilting mechanisms HB CC 2D013
  • E02F3/76@J
    		•  ..with means for eliminating stresses HB CC 2D013
  • E02F3/76@E
    		•  .Angle mechanisms HB CC 2D013
  • E02F3/76@K
    		•  ..changing in steps HB CC 2D013
  • E02F3/76@L
    		•  ..changing steplessly HB CC 2D013
  • E02F3/76@M
    		•  .Tilting and angling mechanisms HB CC 2D013
  • E02F3/76@Z
    		•  Others HB CC 2D013
  • E02F3/78
    		•  ...with rotating digging elements HB CC 2D013
  • E02F3/80
    		•  ...Component parts HB CC 2D013
  • E02F3/80@A
    		•  for graders HB CC 2D013
  • E02F3/80@B
    		•  for bulldozers HB CC 2D013
  • E02F3/80@Z
    		•  Others HB CC 2D013
  • E02F3/815
    		•  ....Blades; Levelling tools [4] HB CC 2D013
  • E02F3/815@A
    		•  Grader bulldozers HB CC 2D013
  • E02F3/815@B
    		•  .Other mounting mechanisms HB CC 2D013
  • E02F3/815@C
    		•  Bulldozer blades HB CC 2D013
  • E02F3/815@D
    		•  .with variable profile HB CC 2D013
  • E02F3/815@G
    		•  ..of telescopic HB CC 2D013
  • E02F3/815@H
    		•  ..of foldable HB CC 2D013
  • E02F3/815@E
    		•  .with attachments HB CC 2D013
  • E02F3/815@J
    		•  ..for increasing width or capacity HB CC 2D013
  • E02F3/815@K
    		•  ..with attachment members for scraping or transportation HB CC 2D013
  • E02F3/815@F
    		•  .Other structures HB CC 2D013
  • E02F3/815@L
    		•  ..Mount between body, arm or blade HB CC 2D013
  • E02F3/815@M
    		•  ...Mounting between arm and blade HB CC 2D013
  • E02F3/815@N
    		•  .with lining HB CC 2D013
  • E02F3/815@P
    		•  .characterized by materials HB CC 2D013
  • E02F3/815@Q
    		•  .with means for preventing damages HB CC 2D013
  • E02F3/815@Z
    		•  Others HB CC 2D013
  • E02F3/84
    		•  ....Drives or control devices therefor HB CC 2D003
  • E02F3/84@A
    		•  of electrical HB CC 2D003
  • E02F3/84@Z
    		•  Others HB CC 2D003
  • E02F3/85
    		•  .....Applications of hydraulic or pneumatic systems HB CC 2D003
  • E02F3/85@A
    		•  for graders HB CC 2D003
  • E02F3/85@B
    		•  .controlling blade positions HB CC 2D003
  • E02F3/85@C
    		•  for bulldozers HB CC 2D003
  • E02F3/85@D
    		•  .controlling blade positions HB CC 2D003
  • E02F3/85@Z
    		•  Others HB CC 2D003
  • E02F3/88
    		•  ..with arrangements acting by a sucking or forcing effect, e.g. suction dredgers (pumps in general F04) HB CC 2D013
  • E02F3/88@A
    		•  characterized by sucking or forcing means HB CC 2D013
  • E02F3/88@B
    		•  .using of air lifts HB CC 2D013
  • E02F3/88@C
    		•  .using of ejectors HB CC 2D013
  • E02F3/88@G
    		•  ..combination with other diggers HB CC 2D013
  • E02F3/88@D
    		•  .using of pneumatic pressures HB CC 2D013
  • E02F3/88@E
    		•  characterized by dredging methods HB CC 2D013
  • E02F3/88@F
    		•  .using of solidifying agents HB CC 2D013
  • E02F3/88@H
    		•  Installation managements HB CC 2D013
  • E02F3/88@J
    		•  Preventing contaminations HB CC 2D013
  • E02F3/88@K
    		•  Combinations of pumps and diggers HB CC 2D013
  • E02F3/88@Z
    		•  Others HB CC 2D013
  • E02F3/90
    		•  ...Component parts, e.g. drives, control devices HB CC 2D013
  • E02F3/90@A
    		•  Ladder or suction pipe HB CC 2D013
  • E02F3/90@B
    		•  Spuds HB CC 2D013
  • E02F3/90@F
    		•  .structures thereof HB CC 2D013
  • E02F3/90@G
    		•  .operation thereof HB CC 2D013
  • E02F3/90@C
    		•  Oscillating devices for ladders or suction pipes HB CC 2D013
  • E02F3/90@D
    		•  Indicators HB CC 2D013
  • E02F3/90@E
    		•  Drives: controls HB CC 2D013
  • E02F3/90@H
    		•  .hydraulic HB CC 2D013
  • E02F3/90@J
    		•  .electrical HB CC 2D013
  • E02F3/90@K
    		•  ..using of computers and sensors HB CC 2D013
  • E02F3/90@Z
    		•  Others HB CC 2D013
  • E02F3/92
    		•  ....Digging elements, e.g. suction heads HB CC 2D013
  • E02F3/92@A
    		•  with cutters (B takes precedence) HB CC 2D013
  • E02F3/92@C
    		•  .Drum cutters HB CC 2D013
  • E02F3/92@D
    		•  .Cutters having rotation axis arranged in parallel with suction pipe HB CC 2D013
  • E02F3/92@E
    		•  .Spiral cutters HB CC 2D013
  • E02F3/92@F
    		•  .Chain cutters HB CC 2D013
  • E02F3/92@B
    		•  with high-pressure water injection nozzle HB CC 2D013
  • E02F3/92@G
    		•  .Combination with other diggers HB CC 2D013
  • E02F3/92@H
    		•  with auxiliary means for digging or transportation HB CC 2D013
  • E02F3/92@J
    		•  with mechanisms for adjusting opening and sensors HB CC 2D013
  • E02F3/92@Z
    		•  Others HB CC 2D013
  • E02F3/94
    		•  ....Apparatus for separating stones from the dredged material HB CC 2D013
  • E02F3/94@A
    		•  separating nearby suction port HB CC 2D013
  • E02F3/94@B
    		•  separating nearby midway or end of transportation HB CC 2D013
  • E02F3/94@Z
    		•  Others HB CC 2D013
  • E02F3/96
    		•  ..with arrangements for alternate use of different digging elements HB CC 2D013
  • E02F3/96@A
    		•  Drives: controls HB CC 2D013
  • E02F3/96@G
    		•  .of fluid type HB CC 2D013
  • E02F3/96@H
    		•  ..with multiple pumps HB CC 2D013
  • E02F3/96@J
    		•  .of electrical HB CC 2D013
  • E02F3/96@B
    		•  with multiple diggers HB CC 2D013
  • E02F3/96@K
    		•  .with one work unit provided on opposite side of vehicle HB CC 2D013
  • E02F3/96@L
    		•  .with work unit provided on the same side of vehicle HB CC 2D013
  • E02F3/96@M
    		•  ..for preventing interferences between work units or for securing work units HB CC 2D013
  • E02F3/96@C
    		•  with diggers and other work tool HB CC 2D013
  • E02F3/96@D
    		•  interlocked multiple work units HB CC 2D013
  • E02F3/96@E
    		•  variable work units that able to be freely replaced HB CC 2D013
  • E02F3/96@F
    		•  another work tool provided on one work tool HB CC 2D013
  • E02F3/96@Z
    		•  Others HB CC 2D013
    TOP