Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/97
Name: Boring or penetrating the earth > With below-ground tool drive prime mover > With means to anchor prime movers support to bore wall
Description: Apparatus including means to secure the motor support to the bore wall against either axial or rotary movement or both.










Sub-classes under this class:

Class Number Class Name Patents
175/98 Expansible anchor 31


Patents under this class:

Patent Number Title Of Patent Date Issued
8336642 Drilling system Dec. 25, 2012
8327953 Drilling tool with feed control Dec. 11, 2012
8215400 System and method for opening a window in a casing string for multilateral wellbore construction Jul. 10, 2012
8191652 Directional control drilling system Jun. 5, 2012
8028766 Electrically powered tractor Oct. 4, 2011
7770667 Electrically powered tractor Aug. 10, 2010
7743849 Dual tractor drilling system Jun. 29, 2010
6955232 Equipment for drilling vertical boreholes Oct. 18, 2005
6926102 Subsea controlled milling Aug. 9, 2005
6857486 High power umbilicals for subterranean electric drilling machines and remotely operated vehicles Feb. 22, 2005
6761233 Apparatus for propulsion in elongated cavities Jul. 13, 2004
6722453 Stabilized downhole drilling motor Apr. 20, 2004
6655458 Formation testing instrument having extensible housing Dec. 2, 2003
6575236 Device for manipulating a tool in a well tubular Jun. 10, 2003
5205365 Pressure assisted running of tubulars Apr. 27, 1993
4669555 Downhole circulation pump Jun. 2, 1987
4051910 Two way earth boring fluid motor Oct. 4, 1977











 
 
  Recently Added Patents
Method of preparing highly fluorinated carboxylic acids and their salts
High-order harmonic device of cavity filter
Systems and methods for port mirroring with network-scoped connection-oriented sink
Containers having radio frequency identification tags and method of applying radio frequency identification tags to containers
Pixel structure of a solid-state image sensor employing a charge sorting method
Curable inks comprising surfactant-coated magnetic nanoparticles
HYR1 as a target for active and passive immunization against Candida
  Randomly Featured Patents
Device for eliminating the interline flicker
Environmentally sealed connector
Cam grinding machine with workpiece speed control
Benzotriazole based UV absorbing monomers and photographic elements containing polymers formed from them
Arrangement for measuring the absorption of transparent specimens mounted within an integrating sphere
Level shifter having low peak current
Regulation of meiosis using sterols
Element for prefabricated building and building obtained with such an element
Refractory wall structure and damper device
Aqueous carbon black dispersions