ClassID:

135362

E21B19/163 - CPC Classification

Classification description:

Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables; Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe piston-cylinder actuated

Recent Application in this class:
#1
20260071509
2026-03-12

CORE SAMPLE HANDLING DEVICE

#2
20260022614
2026-01-22

Automated clamping apparatus, a method for assembly and disassembly of tubulars using the automated clamping apparatus

#3
20250101816
2025-03-27

CONTROL ATTACHMENT FOR A TONG ASSEMBLY POSITIONING SYSTEM

#4
20240352810
2024-10-24

HYDRAULIC WRENCH AND METHOD

#5
20240318512
2024-09-26

TORQUE WRENCH

#6
20240287858
2024-08-29

WRENCH WITH SELF-INTENSIFIER

#7
20240269787
2024-08-15

WRENCH SYSTEMS, METHODS, AND RELATED APPARATUS FOR DETERMINING ANGULAR MISALIGNMENT

#8
20240165773
2024-05-23

TORQUE SLIDER TONG ASSEMBLY

#9
20240026746
2024-01-25

A CORE SAMPLE HANDLING DEVICE

#10
20230392457
2023-12-07

Adjustable Breakout Wrench for Blasthole Drill Rods of Different Diameters

#11
20230203898
2023-06-29

Floor wrench for a drilling rig

#12
20220282583
2022-09-08

Control attachment for a tong assembly positioning system

#13
20220025719
2022-01-27

Torque wrench system having multiple torque stations

#14
20210363838
2021-11-25

Torque wrench

#15
20210293100
2021-09-23

Power tong

#16
20210246741
2021-08-12

Differential iron roughneck

#17
20210215006
2021-07-15

Wrench for use with making and breaking a drill string

#18
20210010336
2021-01-14

ELECTRIC TONG WITH ONBOARD HYDRAULIC POWER UNIT

#19
20200362648
2020-11-19

Drillpipe spinner

#20
20200332611
2020-10-22

Top drive back-up wrench with thread compensation

#21
20200284107
2020-09-10

Power tong interlock system

#22
20200277826
2020-09-03

Floor wrench for a drilling rig

#23
20200224506
2020-07-16

Torque wrench system having multiple torque stations

#24
20200199950
2020-06-25

METHOD FOR ACCELERATED BREAK OUT OF CONNECTED MULTI-SEGMENT TUBULARS

#25
20200131866
2020-04-30

Swivel connection tool

#26
20200115971
2020-04-16

Torque device for oil field use and method of operation for same

#27
20200072002
2020-03-05

Apparatus and methods for tong operation

#28
20200063507
2020-02-27

Compensation system for a tong assembly

#29
20190368285
2019-12-05

ROTARY DRILL MAST LOCKING MECHANISM

#30
20190338607
2019-11-07

Rotating control device head installer and remover

#31
20190316429
2019-10-17

Wrench assembly with proportional grip circuit

#32
20190203547
2019-07-04

Quick release die block system

#33
20190203546
2019-07-04

Top drive back-up wrench with thread compensation

#34
20190153789
2019-05-23

Stand building using a horseshoe slip elevator

#35
20190106951
2019-04-11

Attachment for making up or breaking out pipe

#36
20190048671
2019-02-14

Electric tong with onboard hydraulic power unit

#37
20190017336
2019-01-17

Vertically Adjustable Breakout Wrench

#38
20190003270
2019-01-03

Remote fluid grip tong

#39
20180347297
2018-12-06

Wrench assembly with tubular centering device

#40
20180347296
2018-12-06

Spinner assembly with four bar linkage device

#41
20180347295
2018-12-06

Wrench assembly with floating torque bodies

#42
20180347292
2018-12-06

Drill rod clamping system and methods of using same

#43
20180274310
2018-09-27

Torque wrench system having multiple torque stations

#44
20180258715
2018-09-13

Tubular clamp system

#45
20180195928
2018-07-12

Hydraulic plate and pipe connection system

#46
20180195353
2018-07-12

Apparatus and methods for gripping a tubular member

#47
20180135620
2018-05-17

Hydraulic artificial lift for driving downhole pumps

#48
20180104799
2018-04-19

Squeezing clamp hammer union torque tool

#49
20180073312
2018-03-15

Remote fluid grip tong

#50
20170314351
2017-11-02

Circumferential displacement sucker rod tong

#51
20170314346
2017-11-02

Automatic auxiliary workover rig

#52
20170284163
2017-10-05

Tool for use on exit side of bore and method of use thereof

#53
20170234085
2017-08-17

ADJUSTABLE BREAKOUT WRENCH FOR A MINING MACHINE

#54
20170218709
2017-08-03

Pipe handling for a drill string at ground exit

#55
20170211344
2017-07-27

METHOD FOR OPERATING A TONGS SYSTEM FOR USE ON A RIG AND CORRESPONDING TONGS SYSTEM, COMPUTER PROGRAM FOR IMPLEMENTING THE METHOD AND RIG COMPRISING A TONGS SYSTEM

#56
20170175463
2017-06-22

Drill rod clamping system and methods of using same

#57
20170167209
2017-06-15

Tong system for use on a drilling installation and clamping block of such a tong system

#58
20170122045
2017-05-04

Wrench for breaking internal connections

#59
20160369579
2016-12-22

Torque wrench apparatus and method for making and breaking joints

#60
20160340989
2016-11-24

Spinner wrench for a drilling rig

#61
20160326816
2016-11-10

Mechanism for twisting off drill rod

#62
20160281446
2016-09-29

Pipe drive sealing system and method

#63
20160160588
2016-06-09

Attachment for making up or breaking out pipe

#64
20160138348
2016-05-19

Thread compensation apparatus

#65
20150315858
2015-11-05

Apparatus and method for connecting components

#66
20150231768
2015-08-20

Squeezing clamp hammer union torque tool

#67
20150107420
2015-04-23

Torque device for oil field use and method of operation for same

#68
20150082598
2015-03-26

Attachment for making up or breaking out pipe

#69
20140299313
2014-10-09

Clamp assembly

#70
20140151124
2014-06-05

Tool for use on exit side of bore and method of use thereof

#71
20140096651
2014-04-10

Well head wrench

#72
20130306378
2013-11-21

Rod support system

#73
20130283589
2013-10-31

Attachment for making up or breaking out pipe

#74
20130255965
2013-10-03

Breakout wrench assemblies and methods

#75
20130118316
2013-05-16

Breakout tool

#76
20120305233
2012-12-06

Rod-mounting apparatus for drilling apparatus

#77
20120297933
2012-11-29

Attachment for making up or breaking out pipe

#78
20120227977
2012-09-13

Torque wrench system having multiple torque stations

#79
20120210828
2012-08-23

Make/Break Tool

#80
20120181047
2012-07-19

Collar assembly for breaking tubing hanger connections

#81
20120111155
2012-05-10

Device and method for rotation of torque tong

#82
20120111154
2012-05-10

Centring means in a rotary tong

#83
20120006564
2012-01-12

Torque wrench system having multiple torque stations

#84
20110247880
2011-10-13

ALIGNMENT ASSEMBLY, DRILLING SYSTEMS AND METHODS

#85
20110219917
2011-09-15

Breakout wrench system

#86
20110148133
2011-06-23

Pipe gripping assembly

#87
20110146457
2011-06-23

Wrench for use with drilling apparatus

#88
20110138969
2011-06-16

Wrench for use with a drilling apparatus

#89
20110030970
2011-02-10

Break-out assembly for a drilling machine

#90
20100276954
2010-11-04

Cam arm actuated backup tong

#91
20100025046
2010-02-04

Torque wrench system having multiple torque stations

#92
20090272235
2009-11-05

TUBULAR HANDLING SYSTEM

#93
20090229422
2009-09-17

Reversible torque back-up tong

#94
20090211405
2009-08-27

Oilfield tubular torque wrench

#95
20090205442
2009-08-20

Oilfield tubular torque wrench

#96
20080250902
2008-10-16

Rotation unit for torque tong comprising a rotational part with teeth

#97
20080196556
2008-08-21

Cam operated jaw force intensifier for gripping a cylindrical member

#98
20080169129
2008-07-17

Drill stem guide and wrench apparatus

#99
20070245516
2007-10-25

Rod pushing and pulling machine

#100
20070193417
2007-08-23

Tubular-drill bit connect/disconnect apparatus

#101
20070095524
2007-05-03

Pipe gripping clamp

#102
20070068669
2007-03-29

Pipe gripping ram

#103
20070068345
2007-03-29

Apparatus for clamping a drilling tubular against rotation

#104
20070044592
2007-03-01

Apparatus for handling tubulars and method

#105
20060196316
2006-09-07

Rotation unit for torque tong comprising a rotational part with teeth

#106
20060174729
2006-08-10

Rotation unit for torque tong comprising a gripping cylinder

#107
20060113084
2006-06-01

Pipe gripper and top drive systems

#108
20050241441
2005-11-03

Power tong assembly

#109
20050160880
2005-07-28

Wrenching unit

#110
20050077743
2005-04-14

Tong assembly

#111
20050076744
2005-04-14

Apparatus and methods for connecting tubulars

#112
20050000324
2005-01-06

Automatic breakout wrench with floating gripping dies

#113
18901777
2026-02-03

Squeezing clamp hammer union torque tool

#114
18194754
2024-10-01

Method for tightening or loosening with a squeezing clamp hammer union torque tool

#115
17521208
2023-04-04

Squeezing clamp hammer union torque tool

#116
16729655
2021-11-09

Squeezing clamp hammer union torque tool

#117
16108912
2020-01-21

Pipe make/break vise assembly with pipe joint heater

#118
15809283
2018-05-15

Accelerated rod and sinker bar break out device

#119
14316450
2016-12-27

Pipe fitting assembly apparatus

#120
14084571
2016-01-05

Tong assembly for manipulating a tubular

#121
13848020
2015-08-04

Tong arm assembly with floating jaw

#122
13431692
2017-01-24

Rig with tong assembly with floating jaw and remote control

#123
13431683
2017-01-24

Tong assembly with floating jaw