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CPC
E21B1/00
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
Current Industry
E21B1/00
Percussion drilling
Sub Industries
E21B1/02
Surface drives for percussion drilling
E21B1/04
Devices for reversing the movement of the rod or cable at the surface
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Patents Grants
last 30 patents
Information
Patent Grant
Fixed cutter drill bits and cutter element arrangements for same
Patent number
12,264,542
Issue date
Apr 1, 2025
National-Oilwell Varco, L.P.
Richard Rivera
E21 - EARTH DRILLING MINING
Information
Patent Grant
Threaded joint
Patent number
12,264,758
Issue date
Apr 1, 2025
Tenaris Connections B.V.
Federico Guillermo Klein
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill string joint for horizontal directional drilling system
Patent number
12,264,543
Issue date
Apr 1, 2025
Vermeer Manufacturing Company
Jacob Richard Smith
E21 - EARTH DRILLING MINING
Information
Patent Grant
Line guiding device for hanging applications, particularly as a ser...
Patent number
12,264,761
Issue date
Apr 1, 2025
Igus GmbH
Dominik Barten
E21 - EARTH DRILLING MINING
Information
Patent Grant
Side saddle traversable drilling rig
Patent number
12,258,816
Issue date
Mar 25, 2025
Nabors Drilling Technologies USA, Inc.
Padira Reddy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wet-mate connector assembly with a dielectric grease retainer and a...
Patent number
12,261,394
Issue date
Mar 25, 2025
Halliburton Energy Services, Inc.
Xiaoguang Allan Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Directional drill vice and method
Patent number
12,258,818
Issue date
Mar 25, 2025
TT Technologies, Inc.
John A. Olander
E21 - EARTH DRILLING MINING
Information
Patent Grant
Automated changing of drill bits via mast angle
Patent number
12,258,819
Issue date
Mar 25, 2025
Caterpillar Global Mining Equipment LLC
John Francis Halterman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Threaded and coupled tubular connection incorporating a seal ring a...
Patent number
12,259,068
Issue date
Mar 25, 2025
Hunting Energy Services, LLC
Ryan Gholamreza Ghasemi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Earth-boring tools including rotatable cutting elements, rotatable...
Patent number
12,258,815
Issue date
Mar 25, 2025
Baker Hughes Oilfield Operations LLC
Jon David Schroder
E21 - EARTH DRILLING MINING
Information
Patent Grant
Thread connection for casings
Patent number
12,258,817
Issue date
Mar 25, 2025
PAO “TMK”
Sergey Alexandrovich Rekin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Auto-insulating concentric wet-mate electrical connector for downho...
Patent number
12,261,386
Issue date
Mar 25, 2025
Halliburton Energy Services, Inc.
Lorenzzo Minassa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Coiled tubing deployment/retrieval apparatus employing multiple tub...
Patent number
12,258,820
Issue date
Mar 25, 2025
Halliburton Energy Services, Inc.
Radovan Rolovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill tool and method for producing same
Patent number
12,252,757
Issue date
Mar 18, 2025
Furukawa Rock Drill Co., Ltd.
Yoshimi Matsumoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Drilling device with fluid column resonator
Patent number
12,252,937
Issue date
Mar 18, 2025
MINCON INTERNATIONAL LIMITED
Markku Keskiniva
E21 - EARTH DRILLING MINING
Information
Patent Grant
Work platform and method for well operations
Patent number
12,252,938
Issue date
Mar 18, 2025
VESTRE PLATÅ INVEST AS
Vidar Wollum
E21 - EARTH DRILLING MINING
Information
Patent Grant
Deflector and stinger for connecting downhole wet mate connectors
Patent number
12,252,939
Issue date
Mar 18, 2025
Halliburton Energy Services, Inc.
David J. Steele
E21 - EARTH DRILLING MINING
Information
Patent Grant
Control line clamp installation system
Patent number
12,252,941
Issue date
Mar 18, 2025
Frank's International, LLC
Brian David Begnaud
E21 - EARTH DRILLING MINING
Information
Patent Grant
MWD isolation device
Patent number
12,252,940
Issue date
Mar 18, 2025
TURBO DRILL INDUSTRIES, INC.
Chad Feddema
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rolling and sliding adaptive device for guiding and fixing drill pipe
Patent number
12,252,942
Issue date
Mar 18, 2025
Sichuan University
Zetian Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and methods for a quick release collar in cementing casing s...
Patent number
12,252,956
Issue date
Mar 18, 2025
Saudi Arabian Oil Company
Dautmammet Rejepov
E21 - EARTH DRILLING MINING
Information
Patent Grant
Steerable drilling device
Patent number
12,252,986
Issue date
Mar 18, 2025
China Petroleum and Chemical Corporation
Qingming Ma
E21 - EARTH DRILLING MINING
Information
Patent Grant
Offshore drilling vessel with an external cable connection and meth...
Patent number
12,252,223
Issue date
Mar 18, 2025
NOBLE DRILLING A/S
Mikkel Søndergaard Pedersen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wireline head for cable termination
Patent number
12,255,417
Issue date
Mar 18, 2025
Schlumberger Technology Corporation
William Rohr
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fluid connection assembly with adapter release
Patent number
12,252,949
Issue date
Mar 18, 2025
FHE USA LLC
Matthew E. Kibler
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and a drill bit for sealing a blasthole wall
Patent number
12,252,954
Issue date
Mar 18, 2025
L&T MINING SOLUTIONS OY
Lasse Tanskanen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Force measurements about secondary contacting structures
Patent number
12,252,977
Issue date
Mar 18, 2025
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Transmission assembly for transmitting torque across an angular con...
Patent number
12,247,628
Issue date
Mar 11, 2025
New Ventures Marketing, LLC
Gregory Clarence Goff
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for attaching ring, ring and system
Patent number
12,247,443
Issue date
Mar 11, 2025
Baker Hughes Oilfield Operations LLC
Jai Kishan Koli
E21 - EARTH DRILLING MINING
Information
Patent Grant
Decoupling wrench for unlocking drill bits, system for replacing dr...
Patent number
12,247,447
Issue date
Mar 11, 2025
Vale S.A.
Enilton Edson Frade
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
ROBUST VALVE ROD GUIDE ASSEMBLY
Publication number
20250109639
Publication date
Apr 3, 2025
Ravdos Holdings Inc.
Santhosh Ramaswamy
E21 - EARTH DRILLING MINING
Information
Patent Application
CENTRALIZER HAVING INTERNAL STOP COLLAR
Publication number
20250109640
Publication date
Apr 3, 2025
DOWNHOLE PRODUCTS LIMITED
Darko Arsoski
E21 - EARTH DRILLING MINING
Information
Patent Application
Coiled Tubing Section Mill
Publication number
20250109646
Publication date
Apr 3, 2025
Dynasty Energy Services, LLC
Gerald J. Cronley
E21 - EARTH DRILLING MINING
Information
Patent Application
TWO PART MILLING AND RUNNING TOOL EMPLOYING A BODY LOCK RING
Publication number
20250109662
Publication date
Apr 3, 2025
Halliburton Energy Services, Inc.
Jamie Revelle Weber
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTILATERAL MILLING ASSEMBLY EMPLOYING DEGRADABLE MATERIAL
Publication number
20250109635
Publication date
Apr 3, 2025
Halliburton Energy Services, Inc.
Brian Williams Cho
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING COMPONENT
Publication number
20250109637
Publication date
Apr 3, 2025
SANDVIK MINING AND CONSTRUCTION TOOLS AB
Tomas JANSSON
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING APPARATUS AND RELATED METHODS
Publication number
20250109641
Publication date
Apr 3, 2025
Helmerich & Payne Technologies, LLC
Angus Lamberton Jamieson
E21 - EARTH DRILLING MINING
Information
Patent Application
Fallback Preventer System and Associated Methods
Publication number
20250109638
Publication date
Apr 3, 2025
PetroQuip Energy Services, LLC
John Lee Emerson
E21 - EARTH DRILLING MINING
Information
Patent Application
Polycrystalline Diamond Compact Table with Polycrystalline Diamond...
Publication number
20250109025
Publication date
Apr 3, 2025
SF DIAMOND CO., LTD.
Haijang Fang
C01 - INORGANIC CHEMISTRY
Information
Patent Application
DOWNHOLE WET-MATE SYSTEMS AND METHODS USING WET-MATE DEPLOYMENT CAR...
Publication number
20250101813
Publication date
Mar 27, 2025
Halliburton Energy Services, Inc.
Tyson H. Eiman
E21 - EARTH DRILLING MINING
Information
Patent Application
CABLE PROTECTOR
Publication number
20250105603
Publication date
Mar 27, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Song Wang
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTROL ATTACHMENT FOR A TONG ASSEMBLY POSITIONING SYSTEM
Publication number
20250101816
Publication date
Mar 27, 2025
Weatherford Technology Holdings, LLC.
Alexander MIGUTIN
E21 - EARTH DRILLING MINING
Information
Patent Application
Pipe Connector
Publication number
20250101814
Publication date
Mar 27, 2025
925599 ALBERTA LTD.
CLINT ROGER SABATIER
E21 - EARTH DRILLING MINING
Information
Patent Application
WELL FRACTURE SYSTEMS AND METHODS
Publication number
20250101844
Publication date
Mar 27, 2025
FMC Technologies, Inc.
Tep Ungchusri
E21 - EARTH DRILLING MINING
Information
Patent Application
RETENTION FEATURE FOR TUBULARS IN A FINGERBOARD
Publication number
20250101815
Publication date
Mar 27, 2025
Nabors Drilling Technologies USA, Inc.
David SILJEG
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTONOMOUS ULTRAVIOLET LIGHT AND BRUSH APPARATUS FOR REMEDIATION AN...
Publication number
20250101833
Publication date
Mar 27, 2025
United States of America as Represented by The Secretary of The Army
Taylor E. Rycroft
B08 - CLEANING
Information
Patent Application
SMART METAL-LOSS MONITORING FOR COIL TUBING
Publication number
20250102472
Publication date
Mar 27, 2025
Saudi Arabian Oil Company
Sanjiv Kumar
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRAULIC IMPACT MECHANISM FOR USE IN EQUIPMENT FOR PROCESSING ROCK...
Publication number
20250101807
Publication date
Mar 27, 2025
T-RIG LIMITED
ALAIN CARBONNEL
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
TWIN BIT
Publication number
20250101811
Publication date
Mar 27, 2025
METAL TOOL INC.
Takemi Ishizuka
E21 - EARTH DRILLING MINING
Information
Patent Application
SPLIT DOWNHOLE TRANSFORMER FOR HIGH POWER APPLICATIONS
Publication number
20250101812
Publication date
Mar 27, 2025
Saudi Arabian Oil Company
Rafael Adolfo Lastra Melo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CASING STRING ROTATION SYSTEMS AND METHODS
Publication number
20250101828
Publication date
Mar 27, 2025
CACTUS WELLHEAD, LLC
Jacob Charles Emmett
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRODYNAMIC DOWN-HOLE ANCHORS AND RELATED METHODS
Publication number
20250092747
Publication date
Mar 20, 2025
Tech Tac Company, Inc.
James Baker
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE ROTARY SLIP RING JOINT TO ALLOW ROTATION OF ASSEMBLIES WIT...
Publication number
20250092742
Publication date
Mar 20, 2025
Halliburton Energy Services, Inc.
David Joe Steele
E21 - EARTH DRILLING MINING
Information
Patent Application
HIGH TORQUE CONNECTION WITH ENHANCED BREAK IN PERFORMANCE
Publication number
20250092969
Publication date
Mar 20, 2025
VALORA ENGINEERING LTD.
Steven Lee CAMPBELL
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
MULTI-CUTTING-EDGE DIAMOND COMPOSITES AND EARTH-BORING TOOLS
Publication number
20250092741
Publication date
Mar 20, 2025
KINGDREAM PUBLIC LIMITED COMPANY
Qiang Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
SLIMLINE STOP COLLAR WITH SEAL TO PREVENT MICRO-ANNULUS LEAKAGE
Publication number
20250092743
Publication date
Mar 20, 2025
DOWNHOLE PRODUCTS LIMITED
Douglas Farley
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS AND SYSTEMS FOR STORING HYDROGEN IN A SALT CAVERN
Publication number
20250092773
Publication date
Mar 20, 2025
NeuVentus, LLC
David Sean BRANCH
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
REEL DEPLOYMENT FOR CENTRALIZED PAD SYSTEM
Publication number
20250092745
Publication date
Mar 20, 2025
FMC Technologies, Inc.
James Cook
E21 - EARTH DRILLING MINING
Information
Patent Application
INTEGRATED DRILLING SYSTEM
Publication number
20250092777
Publication date
Mar 20, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Rachel Belleville
E21 - EARTH DRILLING MINING
Information
Patent Application
TUBULAR HANDLING APPARATUS AND METHODS
Publication number
20250092744
Publication date
Mar 20, 2025
Helmerich & Payne, Inc.
Patrick MILLICAN
E21 - EARTH DRILLING MINING