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Class Information
Number: 175/195
Name: Boring or penetrating the earth > With tool drive prime mover or above-ground mechanical motion converting drive means > Rotary drive for a relatively advancing tool (e.g., rotary table)
Description: Apparatus in which the drive is of the type commonly called a rotary table, such drive being adapted to remain relatively axially fixed while the tool shaft being rotated thereby advances relative to the rotary table.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8660760 Method for using mining vehicle, arrangement in mine, rock drilling rig, and mining vehicle Feb. 25, 2014
8622151 Feed cable system for a tower of a drilling machine Jan. 7, 2014
8607898 Force compensator for top drive assembly Dec. 17, 2013
8534382 Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods Sep. 17, 2013
8505652 Bearing assembly system with integral lubricant distribution and well drilling equipment comprising same Aug. 13, 2013
8474551 Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods Jul. 2, 2013
8381816 Flushing procedure for rotating control device Feb. 26, 2013
8336614 Movable rotary well drilling rig Dec. 25, 2012
8307918 Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods Nov. 13, 2012
8246474 Kelly bar arrangement Aug. 21, 2012
8181721 Torque track and slide assembly May. 22, 2012
8182353 Bottom roller drive for deep soil mixing system May. 22, 2012
8047306 Top drive drilling system and other applications using a low speed direct drive AC motor Nov. 1, 2011
7975781 Kelly driver Jul. 12, 2011
7950668 Remote operated actuator system for drill string internal blowout preventer May. 31, 2011
7926594 Bearing assembly inner barrel and well drilling equipment comprising same Apr. 19, 2011
7918291 Spring preloaded bearing assembly and well drilling equipment comprising same Apr. 5, 2011
7891426 Heat exchanger system and method of use thereof and well drilling equipment comprising same Feb. 22, 2011
7891469 Discrete element spider Feb. 22, 2011
7874353 Bearing assembly retaining apparatus and well drilling equipment comprising same Jan. 25, 2011
7823662 Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods Nov. 2, 2010
7798250 Bearing assembly inner barrel and well drilling equipment comprising same Sep. 21, 2010
7789172 Tapered bearing assembly cover plate and well drilling equipment comprising same Sep. 7, 2010
7770635 Wellbore tubular handling torque multiplier Aug. 10, 2010
7766100 Tapered surface bearing assembly and well drilling equiment comprising same Aug. 3, 2010
7762320 Heat exchanger system and method of use thereof and well drilling equipment comprising same Jul. 27, 2010
7726416 Bearing assembly retaining apparatus and well drilling equipment comprising same Jun. 1, 2010
7717169 Bearing assembly system with integral lubricant distribution and well drilling equipment comprising same May. 18, 2010
7708089 Breech lock stripper rubber pot mounting structure and well drilling equipment comprising same May. 4, 2010
7669649 Stripper rubber with integral retracting retention member connection apparatus Mar. 2, 2010
7665739 Pressure-actuated seals for rotating members Feb. 23, 2010
7658242 Hole coring system with lever arm Feb. 9, 2010
7635034 Spring load seal assembly and well drilling equipment comprising same Dec. 22, 2009
7559359 Spring preloaded bearing assembly and well drilling equipment comprising same Jul. 14, 2009
7500531 Low speed AC motor for direct drive applications Mar. 10, 2009
7464750 Rotary fluid-sealing structure using speed-reduction stages Dec. 16, 2008
7448454 Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling Nov. 11, 2008
7392860 Stripper rubber on a steel core with an integral sealing gasket Jul. 1, 2008
7380591 Mechanical connection system Jun. 3, 2008
7377334 Rotating drilling head drive May. 27, 2008
7350595 Drilling device and drilling method Apr. 1, 2008
7237623 Method for pressurized mud cap and reverse circulation drilling from a floating drilling rig using a sealed marine riser Jul. 3, 2007
7228920 Drilling apparatus and method for introducing a drilling element into the soil Jun. 12, 2007
7198098 Mechanical connection system Apr. 3, 2007
7137453 Remote operated actuator system for drill string internal blowout preventer Nov. 21, 2006
7134513 Drive mechanism for boring machine Nov. 14, 2006
7111676 Pipe centering device Sep. 26, 2006
7028787 Tong for wellbore operations Apr. 18, 2006
6913092 Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling Jul. 5, 2005
6896048 Rotary support table May. 24, 2005

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