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CPC
E21B4/14
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B4/00
Drives used in the borehole
Current Industry
E21B4/14
Fluid operated hammers
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Patents Grants
last 30 patents
Information
Patent Grant
Drive device for rotatable operation of a drill bit of a down-the-h...
Patent number
12,173,584
Issue date
Dec 24, 2024
LKAB WASSARA AB
Magnus Hörman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hole opener
Patent number
12,071,816
Issue date
Aug 27, 2024
Precise Drilling Components Ltd
Cody D. Graham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill assembly for percussive drilling
Patent number
12,065,907
Issue date
Aug 20, 2024
ROBIT PLC
Adam Baker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Liquid hammer drill
Patent number
12,060,775
Issue date
Aug 13, 2024
Warren Ross Strange
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock drill bit for percussive drilling
Patent number
12,054,990
Issue date
Aug 6, 2024
Sandvik Mining and Construction AB
Olivier Bruandet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Return exhaust assembly for a reverse circulation hammer
Patent number
12,055,016
Issue date
Aug 6, 2024
IGNIS TECHNOLOGIES PTY LTD
Peter Warwick Boswell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hole opener
Patent number
12,018,532
Issue date
Jun 25, 2024
Precise Drilling Components Ltd
Cody D. Graham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Down-the-hole hammer drill bit assembly
Patent number
12,006,771
Issue date
Jun 11, 2024
Sandvik Mining and Construction Oy
Olivier Bruandet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock drilling arrangement and machine
Patent number
12,005,558
Issue date
Jun 11, 2024
Sandvik Mining and Construction Oy
Antti Koskimaki
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Projectile drilling system
Patent number
11,988,072
Issue date
May 21, 2024
Hypersciences, Inc.
Mark C. Russell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Diaphragm wall down-the-hole hammer trenching machine and use metho...
Patent number
11,982,157
Issue date
May 14, 2024
Sheng Li
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tunneling and mining method using pre-conditioned hole pattern
Patent number
11,976,556
Issue date
May 7, 2024
Hypersciences, Inc.
Mark C. Russell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pneumatic drill hammer comprising a boost chamber and a drilling ri...
Patent number
11,959,361
Issue date
Apr 16, 2024
Epiroc Drilling Tools Aktiebolag
Per-Anders Karlsson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling tool
Patent number
11,946,342
Issue date
Apr 2, 2024
China Petroleum and Chemical Corporation
Baoping Lu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Down the hole drilling assembly exhaust assembly
Patent number
11,946,328
Issue date
Apr 2, 2024
Sandvik Mining and Construction Oy
Olivier Bruandet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pressurized fluid flow system for percussive mechanisms
Patent number
11,933,143
Issue date
Mar 19, 2024
Jaime Andres Aros
E21 - EARTH DRILLING MINING
Information
Patent Grant
High-frequency composite impactor
Patent number
11,927,077
Issue date
Mar 12, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Jialin Tian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well drilling acceleration tool
Patent number
11,920,437
Issue date
Mar 5, 2024
China Petroleum and Chemical Corporation
Haiping Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Integrated retaining ring and bushing
Patent number
11,846,159
Issue date
Dec 19, 2023
TERELION, LLC
Ted Breckenfeld
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic oscillation tool with variable stage, small pressure drop...
Patent number
11,846,138
Issue date
Dec 19, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Xiaohua Zhu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multilayer solid lubricant architecture for use in drilling tool ap...
Patent number
11,846,160
Issue date
Dec 19, 2023
National Technology & Engineering Solutions of Sandia, LLC
Jiann-Cherng Su
B32 - LAYERED PRODUCTS
Information
Patent Grant
Down the hole drilling assembly and apparatus
Patent number
11,834,929
Issue date
Dec 5, 2023
Sandvik Mining and Construction Oy
Olivier Bruandet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill string rotation controller for directional drilling
Patent number
11,834,928
Issue date
Dec 5, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Jialin Tian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Breaking hammer and method of supporting percussion piston
Patent number
11,828,137
Issue date
Nov 28, 2023
Sandvik Mining and Construction Oy
Mika Oksman
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Drilling rig and methods using multiple types of drilling for insta...
Patent number
11,821,312
Issue date
Nov 21, 2023
Terra Sonic International, LLC
L. Mark Knolle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit assembly for percussion drill tools
Patent number
11,739,593
Issue date
Aug 29, 2023
MINCON INTERNATIONAL LIMITED
Joseph Purcell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic down-the-hole hammer and subsea pile
Patent number
11,725,456
Issue date
Aug 15, 2023
MINCON INTERNATIONAL LIMITED
Joseph Purcell
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Composite shock absorber for polycrystalline diamond compact bit
Patent number
11,643,881
Issue date
May 9, 2023
NORTHEAST PETROLEUM UNIVERSITY
Jinchao Xu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Percussion boring device and method for reversing a percussion bori...
Patent number
11,634,949
Issue date
Apr 25, 2023
TRACTO-TECHNIK GmbH & Co. KG
Gerhard Völkel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ram accelerator augmented drilling system
Patent number
11,624,235
Issue date
Apr 11, 2023
Hypersciences, Inc.
Mark C. Russell
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR CONTROLLING A COMPRESSOR WHICH PROVIDES THE DRIVE OF A P...
Publication number
20240410357
Publication date
Dec 12, 2024
ATLAS COPCO AIRPOWER, naamloze vennootschap
Guy SNELS
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
DOWN-THE-HOLE HAMMER WITH ADJUSTABLE AIR CONSUMPTION VALVE
Publication number
20240384598
Publication date
Nov 21, 2024
Caterpillar Inc.
Koushik KABIRAJ
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWN-THE-HOLE HAMMER WITH ADJUSTABLE AIR CONSUMPTION
Publication number
20240384599
Publication date
Nov 21, 2024
Caterpillar Inc.
Koushik KABIRAJ
E21 - EARTH DRILLING MINING
Information
Patent Application
RETURN EXHAUST ASSEMBLY FOR A REVERSE CIRCULATION HAMMER
Publication number
20240352796
Publication date
Oct 24, 2024
IGNIS TECHNOLOGIES PTY LTD
Peter Warwick BOSWELL
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWN-THE-HOLE DRILL HAMMER HAVING A PISTON FOLLOWER VALVE
Publication number
20240254860
Publication date
Aug 1, 2024
CENTER ROCK INC.
Leland H. Lyon
E21 - EARTH DRILLING MINING
Information
Patent Application
PERCUSSION DRILLING APPARATUS AND METHOD FOR MEASUREMENT WHILE DRIL...
Publication number
20240229638
Publication date
Jul 11, 2024
Rig Technologies International Pty Ltd
Kamil ROGOZINSKI
E21 - EARTH DRILLING MINING
Information
Patent Application
PERCUSSION DRILLING APPARATUS AND METHOD FOR MEASUREMENT WHILE DRIL...
Publication number
20240133289
Publication date
Apr 25, 2024
Rig Technologies International Pty Ltd
Kamil ROGOZINSKI
E21 - EARTH DRILLING MINING
Information
Patent Application
High-Frequency Composite Impactor
Publication number
20240052705
Publication date
Feb 15, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Jialin TIAN
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING DEVICE WITH FLUID COLUMN RESONATOR
Publication number
20230407704
Publication date
Dec 21, 2023
MINCON INTERNATIONAL LIMITED
Markku KESKINIVA
E21 - EARTH DRILLING MINING
Information
Patent Application
A DRIVE DEVICE FOR ROTATABLE OPERATION OF A DRILL BIT OF A DOWN-THE...
Publication number
20230374860
Publication date
Nov 23, 2023
LKAB WASSARA AB
Magnus HÖRMAN
E21 - EARTH DRILLING MINING
Information
Patent Application
CENTRE BYPASS MUD HAMMER
Publication number
20230374861
Publication date
Nov 23, 2023
GOOD WATER HOLDINGS PTY LTD
Warren Ross STRANGE
E21 - EARTH DRILLING MINING
Information
Patent Application
DIAPHRAGM WALL DOWN-THE-HOLE HAMMER TRENCHING MACHINE AND USE METHO...
Publication number
20230323735
Publication date
Oct 12, 2023
Sheng Li
E21 - EARTH DRILLING MINING
Information
Patent Application
A DRILL ASSEMBLY FOR PERCUSSIVE DRILLING
Publication number
20230258043
Publication date
Aug 17, 2023
ROBIT PLC
Adam BAKER
E21 - EARTH DRILLING MINING
Information
Patent Application
REPLACEABLE WEAR COMPONENTS FOR PERCUSSION TOOLS
Publication number
20230203890
Publication date
Jun 29, 2023
TERELION, LLC
Ted BRECKENFELD
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRAULIC OSCILLATION TOOL WITH VARIABLE STAGE, SMALL PRESSURE DROP...
Publication number
20230184038
Publication date
Jun 15, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Xiaohua Zhu
E21 - EARTH DRILLING MINING
Information
Patent Application
SPLINE LUBRICATION FOR DTH HAMMERS
Publication number
20230184037
Publication date
Jun 15, 2023
SANDVIK MINING AND CONSTRUCTION TOOLS AB
Jorma MAKI
E21 - EARTH DRILLING MINING
Information
Patent Application
WELL DRILLING ACCELERATION TOOL
Publication number
20230003084
Publication date
Jan 5, 2023
China Petroleum and Chemical Corporation
Haiping ZHANG
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING TOOL
Publication number
20220412165
Publication date
Dec 29, 2022
China Petroleum and Chemical Corporation
Baoping LU
E21 - EARTH DRILLING MINING
Information
Patent Application
PNEUMATIC DRILL HAMMER COMPRISING A BOOST CHAMBER AND A DRILLING RI...
Publication number
20220389761
Publication date
Dec 8, 2022
EPIROC DRILLING TOOLS AKTIEBOLAG
Per-Anders KARLSSON
E21 - EARTH DRILLING MINING
Information
Patent Application
LIQUID HAMMER DRILL
Publication number
20220372820
Publication date
Nov 24, 2022
Warren Ross STRANGE
E21 - EARTH DRILLING MINING
Information
Patent Application
RETURN EXHAUST ASSEMBLY FOR A REVERSE CIRCULATION HAMMER
Publication number
20220349255
Publication date
Nov 3, 2022
IGNIS TECHNOLOGIES PTY LTD
Peter Warwick BOSWELL
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRAULIC DOWN-THE-HOLE HAMMER AND SUBSEA PILE
Publication number
20220349256
Publication date
Nov 3, 2022
Mincon International Limited
Joseph Purcell
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWN THE HOLE DRILLING ASSEMBLY AND APPARATUS
Publication number
20220298864
Publication date
Sep 22, 2022
SANDVIK MINING AND CONSTRUCTION OY
Olivier BRUANDET
E21 - EARTH DRILLING MINING
Information
Patent Application
BREAKING HAMMER AND METHOD OF SUPPORTING PERCUSSION PISTON
Publication number
20220251904
Publication date
Aug 11, 2022
SANDVIK MINING AND CONSTRUCTION OY
Mika OKSMAN
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
DRILLING ARRANGEMENTS
Publication number
20220243536
Publication date
Aug 4, 2022
Paul Reed
E21 - EARTH DRILLING MINING
Information
Patent Application
Multi-Function Drilling Tool
Publication number
20220186560
Publication date
Jun 16, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Jialin TIAN
E21 - EARTH DRILLING MINING
Information
Patent Application
ROCK DRILLING ARRANGMENT AND MACHINE
Publication number
20220176535
Publication date
Jun 9, 2022
SANDVIK MINING AND CONSTRUCTION OY
Antti KOSKIMAKI
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
DRILL BIT ASSEMBLY FOR PERCUSSION DRILL TOOLS
Publication number
20220154535
Publication date
May 19, 2022
MINCON INTERNATIONAL LIMITED
Joseph Purcell
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWN THE HOLE DRILLING ASSEMBLY EXHAUST ASSEMBLY
Publication number
20220098943
Publication date
Mar 31, 2022
SANDVIK MINING AND CONSTRUCTION OY
Olivier BRUANDET
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWN-THE-HOLE HAMMER DRILL BIT ASSEMBLY
Publication number
20220081974
Publication date
Mar 17, 2022
SANDVIK MINING AND CONSTRUCTION OY
Olivier BRUANDET
E21 - EARTH DRILLING MINING