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Class Information
Number: 175/86
Name: Boring or penetrating the earth > With below-ground personal accommodation
Description: Apparatus combined with means positioned within a hole being bored for supporting, enclosing, protecting or otherwise accommodating a person in the hole while it is being bored.

Patents under this class:

Patent Number Title Of Patent Date Issued
8342267 Mining machine with improved rib reach capability and method of use thereof Jan. 1, 2013
8025108 Subterranean methods of processing hydrocarbon fluid-containing deposits and hydrocarbon recovery arrangements for recovering hydrocarbon-containing fluid from hydrocarbon-containing deposits Sep. 27, 2011
7293615 Earth boring system Nov. 13, 2007
6698978 Rock drilling rig Mar. 2, 2004
6374927 Pipe retention and cartridge locking system for a horizontal directional drill Apr. 23, 2002
5765662 Wheeled raise skip Jun. 16, 1998
4986374 Apparatus for driving an upwardly directed shaft in rock Jan. 22, 1991
4960175 Equipment for raise mining Oct. 2, 1990
4624328 In-shaft drilling apparatus for recovery of gas from subterranean formations Nov. 25, 1986
4527640 Working platform for a drilling apparatus Jul. 9, 1985
4494617 Shaft boring machine Jan. 22, 1985
4255068 Method and a device for undersea drilling Mar. 10, 1981
4090736 Detachable cab construction for mining machines May. 23, 1978
3965995 Machine for boring a large diameter blind hole Jun. 29, 1976

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