Patents-Review.com
ClassID:

135284 ⎘

E21B15/04 - CPC Classification

Classification description:

Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs

Sub-classes:
Recent Application in this class:
#1
20250327362
2025-10-23

DIRECTIONAL DRILL SECURING DEVICE AND METHOD

 #2
20240401622
2024-12-05

DIRECTIONAL DRILL QUICK ATTACH DEVICE AND METHOD

 #3
20240247551
2024-07-25

Tunneling System

 #4
20240191577
2024-06-13

HORIZONTAL DIRECTIONAL DRILL WITH FREEWHEEL MODE

 #5
20240159107
2024-05-16

Underground Drill Rig And Systems And Methods Of Using Same

 #6
20240125180
2024-04-18

Mobility Control for Mobile Drilling Rig

 #7
20230374867
2023-11-23

DIRECTIONAL DRILL SECURING DEVICE AND METHOD

 #8
20230250696
2023-08-10

Drilling device, and drilling construction method for an electric power iron tower foundation

 #9
20230151693
2023-05-18

Drill

 #10
20230084077
2023-03-16

Horizontal directional drilling system with improved system for limiting torque

 #11
20230078075
2023-03-16

Horizontal directional drill with freewheel mode

 #12
20220220811
2022-07-14

Drilling machine for angled drilling

 #13
20220213773
2022-07-07

Drilling-slitting-sealing-fracturing device and method for a deep low-permeability gassy coal seam

 #14
20220010622
2022-01-13

Horizontal drilling machine with impact device

 #15
20210310308
2021-10-07

Drill string rotation brake

 #16
20210180411
2021-06-17

Articulated support for a drilling mast of a drilling machine and related drilling machine

 #17
20210180406
2021-06-17

Linkage assembly for drilling machine

 #18
20210115737
2021-04-22

APPARATUS FOR ROCK HANDLING, ROCK DRILLING UNIT AND METHOD

 #19
20210079939
2021-03-18

Directional drill quick attach device and method

 #20
20210032933
2021-02-04

DUAL ELECTROHYDRAULIC VEHICLE FOR TUNNELLING AND ROOF REINFORCEMENT

 #21
20200340335
2020-10-29

System for extracting gas from tectonically-deformed coal seam in-situ by depressurizing horizontal well cavity

 #22
20200270950
2020-08-27

Downhole drilling apparatus with rotatable cutting element

 #23
20200217150
2020-07-09

Structural support guiding system for a hydraulic bar lift of a directional drilling machine

 #24
20200116020
2020-04-16

Hose retention system for drilling machine

 #25
20200048965
2020-02-13

Systems and methods for raising drilling rig assemblies

 #26
20200024909
2020-01-23

Assembly and method for forming a mast for guiding a drill drive in a horizontal directional drilling machine

 #27
20190360272
2019-11-28

Drill string rotation brake

 #28
20190353024
2019-11-21

Apparatus, systems, and methods for slide drilling optimization based on stand-by-stand performance measurements

 #29
20190338635
2019-11-07

Top drive tool face measurement in relation to down hole drilling components

 #30
20190338610
2019-11-07

Wire rope coring drilling rig and new green construction method capable of replacing trench and shallow-shaft explorations

 #31
20190277089
2019-09-12

WELLBORE DRILLING WITH A TROLLEY AND A TOP DRIVE DEVICE

 #32
20190186207
2019-06-20

Platform based drill capable of negative angle drilling

 #33
20190153783
2019-05-23

Annular pressure reduction system for horizontal directional drilling

 #34
20180320446
2018-11-08

Manipulator for a mast and substructure raising cylinder

 #35
20180298695
2018-10-18

Wellbore drilling with a trolley and a top drive device

 #36
20180298694
2018-10-18

Servicing a top drive device of a wellbore drilling installation

 #37
20180298693
2018-10-18

A TOP DRIVE WELL DRILLING INSTALLATION

 #38
20180087326
2018-03-29

Mast with rack assembly

 #39
20180058045
2018-03-01

Stress or accumulated damage monitoring system

 #40
20170292333
2017-10-12

Carriage for a displacement hammer for positioning the displacement hammer in a launch pit, drilling system with a displacement hammer and a carriage for positioning the displacement hammer in a launch pit and a method for positioning a displacement hammer in a launch pit

 #41
20160196699
2016-07-07

Stress and/or accumulated damage monitoring system

 #42
20160116376
2016-04-28

Land based dynamic sea motion simulating test drilling rig and method

 #43
20160069136
2016-03-10

Drill string rotation brake

 #44
20150300091
2015-10-22

Collapsible substructure for a mobile drilling rig

 #45
20150239330
2015-08-27

Cover assembly for a directional drilling machine

 #46
20150139740
2015-05-21

Micropile foundation matrix

 #47
20140284111
2014-09-25

Horizontal directional drilling system

 #48
20140244101
2014-08-28

Stress and/or accumulated damage monitoring system

 #49
20140224540
2014-08-14

Rock drilling unit and method of changing drill rods

 #50
20140190714
2014-07-10

Lead supporting device of drilling machine

 #51
20140144707
2014-05-29

Drilling machine and method

 #52
20140131113
2014-05-15

Drilling unit operator station

 #53
20130284471
2013-10-31

Power tool having rotary input control

 #54
20130180186
2013-07-18

Collapsible substructure for a mobile drilling rig

 #55
20130140049
2013-06-06

Power tool having rotary input control

 #56
20130056276
2013-03-07

System and method for conducting drilling and coring operations

 #57
20130008676
2013-01-10

Power tool having switch and rotary input control

 #58
20120279782
2012-11-08

Laser alignment device for use with a drill rig

 #59
20120273242
2012-11-01

Trigger profile for a power tool

 #60
20120160529
2012-06-28

Power screwdriver having rotary input control

 #61
20120096786
2012-04-26

Structural cap with composite sleeves

 #62
20110308808
2011-12-22

Coiled tubing inline motion eliminator apparatus and method

 #63
20110174545
2011-07-21

DRILLING MACHINE AND METHOD

 #64
20110162296
2011-07-07

Pivotable tower for angled drilling

 #65
20110132664
2011-06-09

Drill mast articulation assembly

 #66
20110044768
2011-02-24

Batter angled flange composite cap

 #67
20110044767
2011-02-24

Composite cap

 #68
20110044766
2011-02-24

Micropile foundation matrix

 #69
20110042142
2011-02-24

Spindrill

 #70
20100224381
2010-09-09

Mobile self-erecting directional drilling rig apparatus

 #71
20100215449
2010-08-26

Drilling apparatus

 #72
20100065335
2010-03-18

Articulation assembly for moving a drill mast

 #73
20100006337
2010-01-14

Apparatus for drilling machine alignment

 #74
20090279987
2009-11-12

PIPE HANDLING UNIT

 #75
20090008110
2009-01-08

Mobile self-erecting directional drilling rig apparatus

 #76
20080251248
2008-10-16

Lubricator for use with coiled tubing apparatus and universal rig having coiled tubing and top drive capability

 #77
20080210469
2008-09-04

Angle drilling device

 #78
20080149395
2008-06-26

Drilling or Service Rig

 #79
20080115975
2008-05-22

Systems and methods employing a variable angle guide for a drill

 #80
20080110657
2008-05-15

System for mounting a pile driver

 #81
20080066968
2008-03-20

Apparatus for slant drilling

 #82
20060260844
2006-11-23

Coiled tubing drilling rig

 #83
20060243490
2006-11-02

Apparatus and method for modified horizontal directional drilling assembly

 #84
20060185904
2006-08-24

Rotatable support for inclinable masts of drilling machines

 #85
20060180325
2006-08-17

Construction apparatus

 #86
20060180323
2006-08-17

Construction apparatus

 #87
20060096783
2006-05-11

Method and apparatus for slant drilling

 #88
20050191134
2005-09-01

Telescoping underwater guide

 #89
13999603
2020-03-24

Precision drilling platform