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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
7614463 Flute-wiping auger cleaner Nov. 10, 2009
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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