ClassID:

135285

E21B15/045 - CPC Classification

Classification description:

Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs Hydraulic, pneumatic or electric circuits for their positioning

Recent Application in this class:
#1
20260055671
2026-02-26

MOBILE RIG TO WELL ALIGNMENT SYSTEM AND METHOD

#2
20250327362
2025-10-23

DIRECTIONAL DRILL SECURING DEVICE AND METHOD

#3
20250314140
2025-10-09

DIRECTIONAL DRILL VICE AND METHOD

#4
20250198238
2025-06-19

CONTROLLING A TRACK-MOUNTED DRILL RIG

#5
20250122765
2025-04-17

HYDRAULIC COLLAPSIBLE ROTARY STAND FOR WIRELINE CORING UNDERGROUND DRILL RIG

#6
20240368949
2024-11-07

DIRECTIONAL DRILL STEM ROD LOADER AND METHOD

#7
20240183224
2024-06-06

Operating system, rock drilling rig and method

#8
20230407716
2023-12-21

AUTONOMOUS TRACTOR USING COUNTER FLOW-DRIVEN PROPULSION

#9
20230374867
2023-11-23

DIRECTIONAL DRILL SECURING DEVICE AND METHOD

#10
20230358107
2023-11-09

Directional drill vice and method

#11
20230272676
2023-08-31

System and method to automatically position a machine in a shipping configuration

#12
20230250696
2023-08-10

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

#13
20230223781
2023-07-13

DRILLING RIG POWER SUPPLY BUS MANAGEMENT

#14
20220205327
2022-06-30

Directional drill stem rod loader and method

#15
20210340825
2021-11-04

Apparatus and method for positioning rock drilling rig

#16
20210310314
2021-10-07

Directional drill securing device and method

#17
20210222498
2021-07-22

System and method to automatically position a machine in an operating configuration

#18
20210207444
2021-07-08

Directional drill vice and method

#19
20200408070
2020-12-31

Drilling rig power supply bus management

#20
20200378188
2020-12-03

Directional drill vice and method

#21
20200308914
2020-10-01

Apparatus and method for positioning rock drilling rig

#22
20200291729
2020-09-17

Directional drill stem rod loader and method

#23
20200131856
2020-04-30

AUTOMATED MAST CONTROL FOR DRILLING

#24
20200063502
2020-02-27

Assist cylinder for negative angle drilling mast

#25
20200011353
2020-01-09

Mast with hydraulic circuit for assist cylinder

#26
20200011165
2020-01-09

SYSTEM AND METHOD FOR THE USE OF PRESSURE EXCHANGE IN HYDRAULIC FRACTURING

#27
20200003049
2020-01-02

Device for power transmission and signal transfer between stator and rotor of screw drilling tool

#28
20190368331
2019-12-05

Autonomous tractor using counter flow-driven propulsion

#29
20190368290
2019-12-05

Autonomous tractor using counter flow-driven propulsion

#30
20190352976
2019-11-21

Tubing Pipe Centralizer

#31
20190292859
2019-09-26

TRANSPORT TRAILER REEL AND INJECTOR SHIFT FOR MAXIMIZING COILED TUBING LOAD DISTRIBUTION

#32
20190257154
2019-08-22

Modular electro-mechanical assembly for downhole device

#33
20190226286
2019-07-25

Directional drill securing device and method

#34
20190186212
2019-06-20

Negative angle capable blasthole drilling mast

#35
20190078395
2019-03-14

Multi-functional drilling experiment platform

#36
20180334864
2018-11-22

Drilling device and method for screwing drill rod elements to a drilling device

#37
20180334856
2018-11-22

Detecting system in a soil drilling machine and related method

#38
20180320457
2018-11-08

Directional drill vice and method

#39
20180216427
2018-08-02

TRANSPORT TRAILER REEL AND INJECTOR SHIFT FOR MAXIMIZING COILED TUBING LOAD DISTRIBUTION

#40
20180209227
2018-07-26

Directional drill stem rod loader and method

#41
20180030793
2018-02-01

Transport trailer reel and injector shift for maximizing coiled tubing load distribution

#42
20170370149
2017-12-28

Positionable carriage assembly

#43
20150114717
2015-04-30

Walking drilling rig

#44
20140284111
2014-09-25

Horizontal directional drilling system

#45
20110030982
2011-02-10

HYDRAULIC DRILLING MACHINE FOR WORKING IN A SMALL SPACE

#46
20090032277
2009-02-05

Hydraulic drilling machine for working in a small space

#47
20090008112
2009-01-08

Method and apparatus for moving in formation the modular components of a drilling rig from well to well

#48
20070119596
2007-05-31

Blowout preventer positioning system

#49
20060016625
2006-01-26

Hydraulic drilling machine for working in a small space

#50
19085821
2026-03-24

Support device for hydraulic workover unit for wellbore

#51
18539392
2025-06-17

Controlling a track-mounted drill rig