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Class Information
Number: 175/103
Name: Boring or penetrating the earth > With below-ground tool drive prime mover > With above-ground means
Description: Apparatus including means intended to function and remain above ground.

Patents under this class:

Patent Number Title Of Patent Date Issued
8567529 Permanent magnet direct drive top drive Oct. 29, 2013
7753141 Coiled tubing drilling system Jul. 13, 2010
7392858 Remote control for a drilling machine Jul. 1, 2008
7290625 Reverse-circulation drilling method and system Nov. 6, 2007
7096979 Continuous on-bottom directional drilling method and system Aug. 29, 2006
6871712 Remote control for a drilling machine Mar. 29, 2005
6012536 Method for steering a ground-drilling machine Jan. 11, 2000
5360075 Steering drill bit while drilling a bore hole Nov. 1, 1994
5355966 Drilling method and an assembly for performing the method Oct. 18, 1994
4971157 Apparatus for the removal of spoil when making trenches of great depth Nov. 20, 1990
4971162 Continuous drill feed apparatus Nov. 20, 1990
4923134 Self-propelled subsoil penetrating tool system May. 8, 1990
4775017 Drilling using downhole drilling tools Oct. 4, 1988
4434862 Downhole turbine rotary drilling device Mar. 6, 1984
4401170 Apparatus for drilling underground arcuate paths and installing production casings, conduits, or flow pipes therein Aug. 30, 1983
4317493 Kelly drive bushing adapter Mar. 2, 1982
4296821 Drilling rig and conversion apparatus Oct. 27, 1981
4295533 Pneumatically operated ram borer Oct. 20, 1981
4278136 Sinkerdrill Jul. 14, 1981
4258802 Downhole drilling system Mar. 31, 1981
4192393 Helicopter portable earth drilling apparatus Mar. 11, 1980
4172391 Drill drive mechanism Oct. 30, 1979
4154310 Method and equipment for drilling wells May. 15, 1979
4153121 Fluid operated undercutter May. 8, 1979
4113236 Pulling tool apparatus Sep. 12, 1978
4108258 Rock drilling apparatus with noise reducing drill rod cover Aug. 22, 1978
4105079 Device for launching percussion ground borers Aug. 8, 1978
4053182 Mining method and apparatus Oct. 11, 1977
4051910 Two way earth boring fluid motor Oct. 4, 1977
4031970 Borehole drilling apparatus Jun. 28, 1977
4015662 Well tool which changes reciprocating movement to rotary motion Apr. 5, 1977
3990379 Dredging apparatus Nov. 9, 1976
3965995 Machine for boring a large diameter blind hole Jun. 29, 1976
3952816 Drilling system and method of pulling it up Apr. 27, 1976
3941146 Apparatus for storing a flexible elongated member, such as a flexible drill column Mar. 2, 1976
3930545 Tiltable coupling Jan. 6, 1976

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