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Class Information
Number: 175/313
Name: Boring or penetrating the earth > With mechanical cleaner for bit or cutter element
Description: Apparatus in which a structure is supported or moved relative to a bit or cutter element so that it will strip, wipe, scrape, or break up adhering accumulations of mud or cuttings from a bit or cutter element.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7066286 |
Gage surface scraper |
Jun. 27, 2006 |
| 7051821 |
Adjustable hole cleaning device |
May. 30, 2006 |
| 7044242 |
Roller cone bits with reduced packing |
May. 16, 2006 |
| 7032691 |
Underbalanced well drilling and production |
Apr. 25, 2006 |
| 6732793 |
Downhole jetting tool |
May. 11, 2004 |
| 5794727 |
Earth remediation auger |
Aug. 18, 1998 |
| 5655610 |
Auger cleaner |
Aug. 12, 1997 |
| 5242027 |
Cleaning device for earth augers |
Sep. 7, 1993 |
| 4974682 |
Hammer driven soil coring device |
Dec. 4, 1990 |
| 4884638 |
Soil coring device with a core ejector mechanism |
Dec. 5, 1989 |
| 4836294 |
Machine for digging a putting cup hole |
Jun. 6, 1989 |
| 4763735 |
Mobile machine for making holes in putting greens |
Aug. 16, 1988 |
| 4515228 |
Air groove scraper |
May. 7, 1985 |
| 4341273 |
Rotary bit with jet nozzles |
Jul. 27, 1982 |
| 4223749 |
Rotary earth boring drill bit with centrifugal foreign particle barrier device |
Sep. 23, 1980 |
| 4195700 |
Large diameter bit with sweep pickup |
Apr. 1, 1980 |
| 4169483 |
Hydraulic jet drill stem and bit unplugging device |
Oct. 2, 1979 |
| 4156470 |
Rotary earth boring drill bit with centrifugal foreign particle barrier device |
May. 29, 1979 |
| 4117896 |
Soil sampler |
Oct. 3, 1978 |
| 4106576 |
Sampling tube cleaning device |
Aug. 15, 1978 |
| 4105083 |
Large diameter drill bit |
Aug. 8, 1978 |
| 4098360 |
Soil sample core extraction tool |
Jul. 4, 1978 |
| 4022286 |
Auger |
May. 10, 1977 |
| 3989115 |
Adjustable gage cutter scraper for tunneling machines |
Nov. 2, 1976 |
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