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E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B10/00
Drill bits
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E21B10/56
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Patents Grants
last 30 patents
Information
Patent Grant
Polycrystalline diamond, polycrystalline diamond compacts, methods...
Patent number
12,350,792
Issue date
Jul 8, 2025
U.S. Synthetic Corporation
Kenneth E. Bertagnolli
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rock drill insert and method for manufacturing a rock drill insert
Patent number
12,345,097
Issue date
Jul 1, 2025
Epiroc Drilling Tools Aktiebolag
Tomas Rostvall
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cutter assembly and methods for making same
Patent number
12,338,728
Issue date
Jun 24, 2025
ELEMENT SIX (UK) LIMITED
Santonu Ghosh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Combined drill bit based on electro-pulse-drilling technology
Patent number
12,331,593
Issue date
Jun 17, 2025
SOUTHWEST PETROLEUM UNIVERSITY
Xiaohua Zhu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fixed cutter drill bit with refined shaped cutter placement
Patent number
12,331,594
Issue date
Jun 17, 2025
Halliburton Energy Services, Inc.
William Brian Atkins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting elements and geometries for reduced vibrations, earth-borin...
Patent number
12,320,199
Issue date
Jun 3, 2025
John Morin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting element with improved mechanical efficiency
Patent number
12,312,867
Issue date
May 27, 2025
Baker Hughes Oilfield Operations LLC
Michael L. Doster
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polycrystalline diamond compacts
Patent number
12,297,153
Issue date
May 13, 2025
U.S. Synthetic Corporation
Kenneth E. Bertagnolli
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Protective leaching mask assemblies and related methods
Patent number
12,285,845
Issue date
Apr 29, 2025
U.S. Synthetic Corporation
Michael James Gleason
B24 - GRINDING POLISHING
Information
Patent Grant
Pulsed high-power drill bit and drilling tool
Patent number
12,286,881
Issue date
Apr 29, 2025
I-CUBE RESEARCH
Gilles Avrillaud
E21 - EARTH DRILLING MINING
Information
Patent Grant
Refreshable polycrystalline diamond compact (PDC) drill bits
Patent number
12,270,256
Issue date
Apr 8, 2025
Saudi Arabian Oil Company
Guodong Zhan
E21 - EARTH DRILLING MINING
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
Cutting elements and geometries, earth-boring tools, and related me...
Patent number
12,227,994
Issue date
Feb 18, 2025
Baker Hughes Oilfield Operations LLC
Timothy C. Webb
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polycrystalline diamond compact cutter with plow feature
Patent number
12,221,836
Issue date
Feb 11, 2025
Halliburton Energy Services, Inc.
William B. Atkins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wear-resistant and collision-resistant polycrystalline diamond comp...
Patent number
12,196,042
Issue date
Jan 14, 2025
SOUTHWEST PETROLEUM UNIVERSITY
Tiejun Lin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit cutter with shaped portion matched to kerf
Patent number
12,188,301
Issue date
Jan 7, 2025
Halliburton Energy Services, Inc.
Robert W. Arfele
E21 - EARTH DRILLING MINING
Information
Patent Grant
Techniques for forming polycrystalline, superabrasive materials, an...
Patent number
12,172,215
Issue date
Dec 24, 2024
Baker Hughes Oilfield Operations LLC
Andrew Robertson
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Methods of making a cutting element for an earth-boring tool, metho...
Patent number
12,168,266
Issue date
Dec 17, 2024
Baker Hughes Oilfield Operations LLC
Marc Bird
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of installing cutters on a drill bit
Patent number
12,163,381
Issue date
Dec 10, 2024
Gary J Bakken
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter with edge durability
Patent number
12,146,370
Issue date
Nov 19, 2024
Schlumberger Technology Corporation
Youhe Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting elements having non-planar surfaces and tools incorporating...
Patent number
12,139,969
Issue date
Nov 12, 2024
Schlumberger Technology Corporation
Xiaoge Gan
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cutter analysis and mapping
Patent number
12,141,960
Issue date
Nov 12, 2024
Halliburton Energy Services, Inc.
William Brian Atkins
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Drill bit cutter elements and drill bits including same
Patent number
12,139,968
Issue date
Nov 12, 2024
National-Oilwell Varco, L.P.
Konstantin E. Morozov
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting elements for earth-boring tools, methods of manufacturing e...
Patent number
12,134,938
Issue date
Nov 5, 2024
Baker Hughes Oilfield Operations LLC
Stephen Duffy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Depth of cut control responsive to borehole trajectory
Patent number
12,123,261
Issue date
Oct 22, 2024
Halliburton Energy Services, Inc.
Kevin Clark
E21 - EARTH DRILLING MINING
Information
Patent Grant
PDC cutter with enhanced performance and durability
Patent number
12,123,262
Issue date
Oct 22, 2024
Schlumberger Technology Corporation
Youhe Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shaped cutter with ridges and multi-tapered cutting face
Patent number
12,104,439
Issue date
Oct 1, 2024
Halliburton Energy Services, Inc.
Shilin Chen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting elements, and related earth-boring tools, supporting substr...
Patent number
12,098,597
Issue date
Sep 24, 2024
Baker Hughes Holdings LLC
Wanjun Cao
B24 - GRINDING POLISHING
Information
Patent Grant
Shaped cutter with peripheral cutting teeth and tapered open region
Patent number
12,091,917
Issue date
Sep 17, 2024
Halliburton Energy Services, Inc.
Shilin Chen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polycrystalline diamond compacts and methods of fabricating same
Patent number
12,084,920
Issue date
Sep 10, 2024
U.S. Synthetic Corporation
Greg Carlos Topham
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
COMBINATION SHEAR AND GOUGING CUTTING ELEMENT AND WELL CONSTRUCTION...
Publication number
20250230712
Publication date
Jul 17, 2025
Shear Bits, Inc.
John James Herman
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILL BIT CUTTER ELEMENTS WITH MULTIPLE SURFACE FINISHES
Publication number
20250223872
Publication date
Jul 10, 2025
National-Oilwell Varco, L.P.
Kian Sheikhrezaei
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILL BITS FOR DRILLING SUBTERRANEAN BOREHOLES AND MECHANICALLY LOC...
Publication number
20250198240
Publication date
Jun 19, 2025
National-Oilwell Varco, L.P.
Richard J. Sauvageau
E21 - EARTH DRILLING MINING
Information
Patent Application
COMBINED DRILL BIT BASED ON ELECTRO-PULSE-DRILLING TECHNOLOGY
Publication number
20250198239
Publication date
Jun 19, 2025
SOUTHWEST PETROLEUM UNIVERSITY
Xiaohua Zhu
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING ELEMENT INCLUDING ONE OR MORE ASYMMETRIC RELIEF SURFACES
Publication number
20250179877
Publication date
Jun 5, 2025
Halliburton Energy Services, Inc.
Bradley David Dunbar
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING ELEMENT INCLUDING TWO OR MORE SHAPED CUTTING FEATURES, EACH...
Publication number
20250179878
Publication date
Jun 5, 2025
Halliburton Energy Services, Inc.
Shilin Chen
E21 - EARTH DRILLING MINING
Information
Patent Application
REFRESHABLE POLYCRYSTALLINE DIAMOND COMPACT (PDC) DRILL BITS
Publication number
20250172045
Publication date
May 29, 2025
Saudi Arabian Oil Company
Guodong Zhan
E21 - EARTH DRILLING MINING
Information
Patent Application
IMPACT-RESISTANT MULTI-CUTTING-EDGE DIAMOND COMPACT AND EARTH-BORIN...
Publication number
20250172044
Publication date
May 29, 2025
KINGDREAM PUBLIC LIMITED COMPANY
Guanfu Tu
E21 - EARTH DRILLING MINING
Information
Patent Application
REFRESHABLE POLYCRYSTALLINE DIAMOND COMPACT (PDC) DRILL BITS
Publication number
20250172046
Publication date
May 29, 2025
Saudi Arabian Oil Company
Guodong Zhan
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING ELEMENTS AND GEOMETRIES FOR REDUCED VIBRATIONS, EARTH-BORIN...
Publication number
20250163761
Publication date
May 22, 2025
Baker Hughes Oilfield Operations LLC
John Morin
E21 - EARTH DRILLING MINING
Information
Patent Application
SUBTERRANEAN DRILL BITS HAVING SHANK BYPATHS
Publication number
20250163762
Publication date
May 22, 2025
ULTERRA DRILLING TECHNOLOGIES, L.P.
Jeremiah Torres
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD TO EXTEND PDC BIT LIFE AND IMPROVE DRILLING SPEED BY MITIGAT...
Publication number
20250129672
Publication date
Apr 24, 2025
KENNETH L NASH
E21 - EARTH DRILLING MINING
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
ENHANCED CHIP FLOW DRILL BIT CUTTER
Publication number
20250075563
Publication date
Mar 6, 2025
Halliburton Energy Services, Inc.
William Atkins
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTER ANALYSIS AND MAPPING
Publication number
20250029236
Publication date
Jan 23, 2025
Halliburton Energy Services, Inc.
William Brian Atkins
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DEVICES, SYSTEMS, AND METHODS OF A CUTTING ELEMENT IN A BIT
Publication number
20250020027
Publication date
Jan 16, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Youhe Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTI-FUNCTIONAL WELLBORE CONDITIONING SYSTEM
Publication number
20250020026
Publication date
Jan 16, 2025
EUROPEAN DRILLING PROJECTS B.V.
Tony FITZGERALD
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR FORMING AN OVERLAY BETWEEN CUTTER POCKETS...
Publication number
20250018494
Publication date
Jan 16, 2025
ARC SPECIALTIES, INC.
Daniel ALLFORD
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Novel Wear-Resistant and Collision-Resistant Polycrystalline Diamon...
Publication number
20250003294
Publication date
Jan 2, 2025
SOUTHWEST PETROLEUM UNIVERSITY
Tiejun LIN
E21 - EARTH DRILLING MINING
Information
Patent Application
PULSED HIGH-POWER DRILL BIT AND DRILLING TOOL
Publication number
20240410229
Publication date
Dec 12, 2024
I-CUBE RESEARCH
Gilles Avrillaud
E21 - EARTH DRILLING MINING
Information
Patent Application
POLYCRYSTALLINE DIAMOND COMPACT
Publication number
20240410232
Publication date
Dec 12, 2024
US Synthetic Corporation
Kenneth E. Bertagnolli
B22 - CASTING POWDER METALLURGY
Information
Patent Application
DRILL BITS AND OTHER DOWNHOLE DRILLING TOOLS WITH NON-CYLINDRICAL C...
Publication number
20240401413
Publication date
Dec 5, 2024
ULTERRA DRILLING TECHNOLOGIES, L.P.
William Henry Dubose
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR LASER CUTTING POLYCRYSTALLINE DIAMOND STRUCTURES
Publication number
20240399540
Publication date
Dec 5, 2024
US Synthetic Corporation
Mark P. Chapman
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WHIPSTOCK FOR USE WITH A MILL BIT INCLUDING VARYING MATERIAL REMOVA...
Publication number
20240376784
Publication date
Nov 14, 2024
Halliburton Energy Services, Inc.
Wesley P. Dietz
E21 - EARTH DRILLING MINING
Information
Patent Application
LEACHED DIAMOND ELEMENTS AND LEACHING SYSTEMS, METHODS AND ASSEMBLI...
Publication number
20240368039
Publication date
Nov 7, 2024
US Synthetic Corporation
Joshua Adam Hawks
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
DETERMINATION OF UNCONFINED COMPRESSIVE STRENGTH FROM DRILLING DATA...
Publication number
20240368976
Publication date
Nov 7, 2024
Varel International Ind., LLC
Duncan Michael McAllister
E21 - EARTH DRILLING MINING
Information
Patent Application
Percussion and Cutting Composite Drilling Tool
Publication number
20240344398
Publication date
Oct 17, 2024
Sichuan DeepFast Oil Drilling Tools Co., Ltd
Yaodong ZHENG
E21 - EARTH DRILLING MINING
Information
Patent Application
Depth Of Cut Control Responsive To Borehole Trajectory
Publication number
20240337162
Publication date
Oct 10, 2024
Halliburton Energy Services, Inc.
Kevin Clark
E21 - EARTH DRILLING MINING
Information
Patent Application
SUPPORTING SUBSTRATES FOR CUTTING ELEMENTS, AND RELATED METHODS
Publication number
20240318507
Publication date
Sep 26, 2024
Baker Hughes Holdings LLC
Wanjun Cao
B24 - GRINDING POLISHING
Information
Patent Application
CEMENTED CARBIDE INSERT FOR MINING OR CUTTING APPLICATIONS COMPRISI...
Publication number
20240295012
Publication date
Sep 5, 2024
SANDVIK MINING AND CONSTRUCTION TOOLS AB
Malin MARTENSSON
B22 - CASTING POWDER METALLURGY