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Class Information
Number: 175/210
Name: Boring or penetrating the earth > With above-ground means for handling drilling fluid or cutting > Fluid or cuttings directing or receiving means engaging bore entrance > Anchored to bore wall
Description: Apparatus in which said means extends into the bore and is held in sealed engagement with the bore wall.

Patents under this class:

Patent Number Title Of Patent Date Issued
7861803 Auxiliary equipment for use with drilling apparatus Jan. 4, 2011
7836972 Mobile soil sampling device with vacuum collector Nov. 23, 2010
7575069 Mobile soil sampling device with vacuum collector Aug. 18, 2009
6712162 Cooling and flushing means for tools used for working rock Mar. 30, 2004
6394194 Method and apparatus for a drill cutting injection system May. 28, 2002
4964475 Drilling device for producing drill holes with undercut Oct. 23, 1990
4484643 Gas-liquid-solids separation system Nov. 27, 1984
4416340 Rotary drilling head Nov. 22, 1983
4406331 Pipe wiper Sep. 27, 1983
4295534 Well boring rigs and spoil handling conveyor apparatus therefor Oct. 20, 1981
4182424 Drill steel centralizer Jan. 8, 1980
4102413 Rock drilling apparatus and method Jul. 25, 1978
4076085 Drill sampling diversion unit Feb. 28, 1978
4029160 Drilling machine Jun. 14, 1977
3991838 Drill sampling diversion unit Nov. 16, 1976
3961673 Drilling apparatus Jun. 8, 1976
3958640 Method of drilling an oil well to recover casings May. 25, 1976

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