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Class Information
Number: 175/107
Name: Boring or penetrating the earth > With below-ground tool drive prime mover > Fluid rotary type
Description: Apparatus in which said motor includes an element provided with means upon which a fluid may act to cause a nonreversing motion of said element about an axis.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8701797 Bearing assembly for downhole motor Apr. 22, 2014
8646549 Drilling machine power pack which includes a clutch Feb. 11, 2014
8640793 Dynamic steering tool Feb. 4, 2014
8627901 Laser bottom hole assembly Jan. 14, 2014
8616304 Bearing assemblies, and bearing apparatuses using the same Dec. 31, 2013
8607896 Jet turbodrill Dec. 17, 2013
8607897 Center discharge gas turbodrill Dec. 17, 2013
8602127 High temperature drilling motor drive with cycloidal speed reducer Dec. 10, 2013
8567491 Device and method of lining a wellbore Oct. 29, 2013
8535028 Downhole positive displacement motor Sep. 17, 2013
8496075 Bearing assemblies, bearing apparatuses using the same, and related methods Jul. 30, 2013
8469104 Valves, bottom hole assemblies, and method of selectively actuating a motor Jun. 25, 2013
8453762 Regenerative drive mechanism for hydraulic feed cylinders in hydrostatic or hydraulic circuits Jun. 4, 2013
8439133 Down hole apparatus for generating a pusling action May. 14, 2013
8408336 Flow guide actuation Apr. 2, 2013
8408333 Steer systems for coiled tubing drilling and method of use Apr. 2, 2013
8408335 Drill string with modular motor units Apr. 2, 2013
8381839 Apparatus for directional drilling Feb. 26, 2013
8376616 Bearing assembly for a downhole motor Feb. 19, 2013
8371400 Downhole tool actuation Feb. 12, 2013
8365843 Downhole tool actuation Feb. 5, 2013
8297379 Systems and methods for providing a gearless drilling turbine Oct. 30, 2012
8297378 Turbine driven hammer that oscillates at a constant frequency Oct. 30, 2012
8297375 Downhole turbine Oct. 30, 2012
8267196 Flow guide actuation Sep. 18, 2012
8215841 Bearing assembly for use in earth drilling Jul. 10, 2012
8210282 System and method for preventing slippage and rotation of component alone a tubular shaft Jul. 3, 2012
8205688 Lead the bit rotary steerable system Jun. 26, 2012
8201642 Drilling assemblies including one of a counter rotating drill bit and a counter rotating reamer, methods of drilling, and methods of forming drilling assemblies Jun. 19, 2012
8191628 Method and apparatus for transmitting sensor response data and power through a mud motor Jun. 5, 2012
8181719 Flow pulsing device for a drilling motor May. 22, 2012
8181720 Sealing system and bi-directional thrust bearing arrangement for a downhole motor May. 22, 2012
8151908 Jet motor for providing rotation in a downhole tool Apr. 10, 2012
8146679 Valve-controlled downhole motor Apr. 3, 2012
8141660 Excavator apparatus for underground excavation Mar. 27, 2012
8118117 Thrust bearing assembly Feb. 21, 2012
8109746 Progressing cavity pump/motor Feb. 7, 2012
RE43054 Method and apparatus for casing exit system using coiled tubing Jan. 3, 2012
8074742 Apparatus and method for cutting a wellbore Dec. 13, 2011
8069933 Bearing assemblies, and bearing apparatuses and motor assemblies using same Dec. 6, 2011
8062140 Power transmission line section Nov. 22, 2011
8061448 Hydraulic braking device for turbine, turbine equipped with such a device and drilling equipment comprising such a turbine Nov. 22, 2011
8033920 High torque, flexible, dual, constant velocity, ball joint assembly for mud motor used in directional well drilling Oct. 11, 2011
8020632 Method and system for wellbore communication Sep. 20, 2011
8016052 Thrust bearing assembly Sep. 13, 2011
8011425 Transmitting sensor response data and power through a mud motor Sep. 6, 2011
7975780 Adjustable downhole motors and methods for use Jul. 12, 2011
7938200 Apparatus and method for a hydraulic diaphragm downhole mud motor May. 10, 2011
7938203 Downhole centrifugal drilling fluid separator May. 10, 2011
7921937 Drilling components and systems to dynamically control drilling dysfunctions and methods of drilling a well with same Apr. 12, 2011

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