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Class Information
Number: 175/106
Name: Boring or penetrating the earth > With below-ground tool drive prime mover > With mechanical motion-converting means
Description: Apparatus including means (e.g., gearing, linkage or cam) for modifying the direction, location or advantage relationship of simple mechanical motion, said means being drivingly interposed between the motor and the tool.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8646549 Drilling machine power pack which includes a clutch Feb. 11, 2014
8602127 High temperature drilling motor drive with cycloidal speed reducer Dec. 10, 2013
8561723 Magnetic hammer Oct. 22, 2013
8544560 Drive mechanism Oct. 1, 2013
8371400 Downhole tool actuation Feb. 12, 2013
8362915 System and method for determining stretch or compression of a drill string Jan. 29, 2013
8302682 Wireline tractor device Nov. 6, 2012
8151902 Slickline conveyed bottom hole assembly with tractor Apr. 10, 2012
8025110 Motor shaft security apparatus Sep. 27, 2011
8016051 Drilling apparatus and method for drilling wells Sep. 13, 2011
7712549 Drilling tool May. 11, 2010
7703550 Down hole motor with locking mechanism Apr. 27, 2010
7673707 Drilling apparatus and system for drilling wells Mar. 9, 2010
7624819 Universal joint assembly Dec. 1, 2009
7600586 System for steering a drill string Oct. 13, 2009
7549467 Wellbore motor having magnetic gear drive Jun. 23, 2009
7497279 Jack element adapted to rotate independent of a drill bit Mar. 3, 2009
7481283 Wellbore motor having magnetic gear drive Jan. 27, 2009
7467672 Orientation tool Dec. 23, 2008
7445061 Motor shaft security apparatus Nov. 4, 2008
7419018 Cam assembly in a downhole component Sep. 2, 2008
7416034 Drive system Aug. 26, 2008
7410013 Boring and drilling apparatus Aug. 12, 2008
7405998 Method and apparatus for generating fluid pressure pulses Jul. 29, 2008
7377339 System and method for damping vibration in a drill string May. 27, 2008
7363989 Device for a pulling tool for use in pipes and boreholes for the production of oil and gas Apr. 29, 2008
7318489 Hydraulic motor arrangement and method of operating a hydraulic motor Jan. 15, 2008
7240744 Rotary and mud-powered percussive drill bit assembly and method Jul. 10, 2007
7234543 Systems and methods for directionally drilling a borehole using a continuously variable transmission Jun. 26, 2007
7226279 Gerotor mechanism for a screw hydraulic machine Jun. 5, 2007
7222682 Chain drive system May. 29, 2007
7201239 Power-generating device for use in drilling operations Apr. 10, 2007
7156192 Open hole tractor with tracks Jan. 2, 2007
7120565 Method and apparatus for determining figure Oct. 10, 2006
7055629 Inverted motor for drilling rocks, soils and man-made materials and for re-entry and cleanout of existing wellbores and pipes Jun. 6, 2006
6945338 Drilling bit assembly and apparatus Sep. 20, 2005
6920946 Inverted motor for drilling rocks, soils and man-made materials and for re-entry and cleanout of existing wellbores and pipes Jul. 26, 2005
6896077 Rotary driven pipe-bursting tool May. 24, 2005
6763899 Deformable blades for downhole applications in a wellbore Jul. 20, 2004
6755593 Pipe replacement method and rotary impact mechanism for pipe bursting Jun. 29, 2004
6745836 Down hole motor assembly and associated method for providing radial energy Jun. 8, 2004
6736209 Method for vibrational impact on a pipe string in a borehole and devices for carrying out said method May. 18, 2004
6675918 Garden earth auger Jan. 13, 2004
6561287 Method and apparatus for sawing or drilling concrete May. 13, 2003
6488103 Drilling tool and method of using same Dec. 3, 2002
6364034 Directional drilling apparatus Apr. 2, 2002
6325163 Bit torque limiting device Dec. 4, 2001
6230823 Downhole motor May. 15, 2001
6209662 Method of and apparatus for controlling diamond drill feed Apr. 3, 2001
6173794 Downhole mud motor transmission Jan. 16, 2001

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