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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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Class Information
Number: 175/203
Name: Boring or penetrating the earth > With above-ground means to advance or retract boring means
Description: Apparatus including means located above ground to move a tool, shaft, or any other portion of the boring means in one direction along the axis of the bore or (2) to counterbalance or offset a portion of the weight resting on the tool.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8640767 Push / pull system and support structure for snubbing unit on a rig floor Feb. 4, 2014
8631882 Drilling rig with torque measuring top drive Jan. 21, 2014
8584773 Simultaneous tubular handling system and method Nov. 19, 2013
8567529 Permanent magnet direct drive top drive Oct. 29, 2013
8556003 Split sub-basement drill rig Oct. 15, 2013
8534387 Drawworks device on a drill floor Sep. 17, 2013
8505652 Bearing assembly system with integral lubricant distribution and well drilling equipment comprising same Aug. 13, 2013
8499858 Modular top drive lubrication system and methods Aug. 6, 2013
8393416 Drilling rig and mounting method therefor Mar. 12, 2013
8381818 Apparatus for, and method of, landing items at a well location Feb. 26, 2013
8347446 Drainage structure cleaning tool Jan. 8, 2013
8305229 System for wireless communication along a drill string Nov. 6, 2012
8186455 Simultaneous tubular handling system and method May. 29, 2012
8181721 Torque track and slide assembly May. 22, 2012
8151909 Modular top drive lubrication system and methods Apr. 10, 2012
8033345 Apparatus and method for a drilling assembly Oct. 11, 2011
7938198 Rotary digging and compression enlarging driller and boring method May. 10, 2011
7931077 Top drive drilling apparatus Apr. 26, 2011
7921939 Method for using a top drive with an air lift thread compensator and a hollow cylinder rod providing minimum flexing of conduit Apr. 12, 2011
7896099 Upper beam for a telescopic feeder, telescopic feeder and drilling device for rock drilling Mar. 1, 2011
7886827 Apparatus for, and method of, landing items at a well location Feb. 15, 2011
7866382 Spring load seal assembly and well drilling equipment comprising same Jan. 11, 2011
7828085 Modular top drive Nov. 9, 2010
7828086 Guide rail system for a telescoping mast on a drilling rig Nov. 9, 2010
7828087 Rocket rig drilling apparatus Nov. 9, 2010
7814971 Drilling rig and vibration dampening support frame Oct. 19, 2010
7802636 Simultaneous tubular handling system and method Sep. 28, 2010
7753141 Coiled tubing drilling system Jul. 13, 2010
7721825 Portable concrete boring machine May. 25, 2010
7717195 Auger stabilizer May. 18, 2010
7717196 Angle drilling device May. 18, 2010
7712545 Telescopic feed beam for rock drill May. 11, 2010
7640999 Coiled tubing and drilling system Jan. 5, 2010
7637329 Methods and systems for drilling auxiliary holes Dec. 29, 2009
7635034 Spring load seal assembly and well drilling equipment comprising same Dec. 22, 2009
7628229 Mobile drilling rig with replaceable dolly Dec. 8, 2009
7617887 Method for casing drilling, drilling unit and adapter device Nov. 17, 2009
7600585 Coiled tubing drilling rig Oct. 13, 2009
7584809 Mobile transport rig with four axels Sep. 8, 2009
7559380 Traveling swivel frame assembly with fixed brackets Jul. 14, 2009
7398833 Heavy load carry slips and method Jul. 15, 2008
7392858 Remote control for a drilling machine Jul. 1, 2008
7393156 Construction apparatus for planting a series of vertical posts Jul. 1, 2008
7350593 Electronically controlled earth drilling rig Apr. 1, 2008
7347285 Drilling machine having a movable rod handling device and a method for moving the rod handling device Mar. 25, 2008
7318491 Apparatus and method for modified horizontal directional drilling assembly Jan. 15, 2008
7308953 Mobile drilling rig Dec. 18, 2007
7306055 Automatic method for installing mobile drilling rig at a drilling site Dec. 11, 2007
7185708 Coiled tubing/top drive rig and method Mar. 6, 2007
7182140 Coiled tubing/top drive rig and method Feb. 27, 2007

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