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Separate drives for percussion and rotation
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CPC
E21B6/04
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B6/00
Drives for combined percussion and rotary drilling
Current Industry
E21B6/04
Separate drives for percussion and rotation
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
Rotary percussive hydraulic drill provided with a shank equipped wi...
Patent number
11,866,997
Issue date
Jan 9, 2024
MONTABERT
Michel Escolle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Spiral impact drilling machine applicable to rock and soil and cons...
Patent number
11,555,351
Issue date
Jan 17, 2023
Dalian University of Technology
Jinqing Jia
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluid operated drilling device and a method for drilling a hole
Patent number
11,371,287
Issue date
Jun 28, 2022
PIRKAN LAATUPALVELU OY
Juhani Välisalo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Percussion device
Patent number
11,319,752
Issue date
May 3, 2022
Jaron Lyell McMillan
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Arrangement and method for installing casing
Patent number
11,319,755
Issue date
May 3, 2022
Mincon Nordic Oy
Markku Keskiniva
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole oscillation apparatus
Patent number
11,091,959
Issue date
Aug 17, 2021
Reme Technologies, LLC
Joshua Alan Sicilian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary drilling tool and method for producing a bore
Patent number
10,934,779
Issue date
Mar 2, 2021
Bauer Maschinen GmbH
Sebastian Bauer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Percussion device
Patent number
10,883,312
Issue date
Jan 5, 2021
Jaron Lyell Mcmillan
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Drilling device for earth or rock drilling and method for retrofitt...
Patent number
10,829,996
Issue date
Nov 10, 2020
Eurodrill GmbH
Markus Merzhaeuser
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic artificial lift for driving downhole pumps
Patent number
10,774,829
Issue date
Sep 15, 2020
Celtic Machining Ltd.
Martin E. C. Gubbins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole oscillation apparatus
Patent number
10,590,709
Issue date
Mar 17, 2020
Reme Technologies LLC
Joshua Alan Sicilian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multi fluid drilling system
Patent number
10,544,625
Issue date
Jan 28, 2020
Strada Design Limited
Warren Strange
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling and operating sigmoid-shaped wells
Patent number
10,501,993
Issue date
Dec 10, 2019
Saudi Arabian Oil Company
Mohamed N. Noui-Mehidi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling and operating sigmoid-shaped wells
Patent number
10,487,585
Issue date
Nov 26, 2019
Saudi Arabian Oil Company
Mohamed N. Noui-Mehidi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling and operating sigmoid-shaped wells
Patent number
10,400,514
Issue date
Sep 3, 2019
Saudi Arabian Oil Company
Mohamed N. Noui-Mehidi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Passively induced forced vibration rock drilling system
Patent number
10,378,281
Issue date
Aug 13, 2019
Varel Europe S.A.S.
Gilles Pelfrene
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling and operating sigmoid-shaped wells
Patent number
10,184,297
Issue date
Jan 22, 2019
Saudi Arabian Oil Company
Mohamed N. Noui-Mehidi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shank adaptor with strengthened flushing hole
Patent number
10,087,686
Issue date
Oct 2, 2018
Sandvik Intellectual Property AB
Anna Nordstrand
E21 - EARTH DRILLING MINING
Information
Patent Grant
Seated hammer apparatus for core sampling
Patent number
9,803,441
Issue date
Oct 31, 2017
Flexidrill Limited
Gregory Donald West
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary impact drill and double-layer drilling rod mechanism
Patent number
9,670,728
Issue date
Jun 6, 2017
Zhongsheng Tang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic rotator converter for a hydraulic impact hammer and method
Patent number
9,670,729
Issue date
Jun 6, 2017
JW Tooling, LLC
Wayne T. Kuzma
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Coating of the piston for a rotating percussion system in downhole...
Patent number
9,328,558
Issue date
May 3, 2016
Varel International Ind., L.P.
David Harrington
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mechanical force generator for a downhole excitation apparatus
Patent number
9,322,237
Issue date
Apr 26, 2016
FLEXIDRILL LIMITED
Owen Schicker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic rotary percussive device intended to drill boreholes
Patent number
9,194,182
Issue date
Nov 24, 2015
MONTABERT
Jean-Sylvain Comarmond
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and arrangement for lubricating drill shank of rock drilling...
Patent number
9,138,879
Issue date
Sep 22, 2015
Sandvik Mining and Construction Oy
Markku Keskiniva
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Vibration hammer
Patent number
8,210,274
Issue date
Jul 3, 2012
Suk Shin In
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling apparatus with percussive action cutter
Patent number
7,461,706
Issue date
Dec 9, 2008
Andergauge Limited
Alan Martyn Eddison
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bedrock drilling and excavating apparatus
Patent number
7,090,038
Issue date
Aug 15, 2006
Chuan Home Machinery Co., Ltd.
Chin-Yi Lee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock drill
Patent number
6,854,538
Issue date
Feb 15, 2005
Sandvik Tamrock Oy
Timo Muuttonen
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Rotary percussion device for a drill column
Patent number
6,843,329
Issue date
Jan 18, 2005
Andrea Linard Mathis
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Patents Applications
last 30 patents
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
FLUSHING ELEMENT, ROCK DRILLING MACHINE AND METHOD
Publication number
20240229581
Publication date
Jul 11, 2024
SANDVIK MINING AND CONSTRUCTION OY
Timo KELA
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUSHING ELEMENT, ROCK DRILLING MACHINE AND METHOD
Publication number
20240133254
Publication date
Apr 25, 2024
SANDVIK MINING AND CONSTRUCTION OY
Timo KELA
E21 - EARTH DRILLING MINING
Information
Patent Application
Percussion and Cutting Composite Drilling Tool
Publication number
20230193694
Publication date
Jun 22, 2023
Sichuan DeepFast Oil Drilling Tools Co., Ltd
Yaodong ZHENG
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
ROTARY PERCUSSIVE HYDRAULIC DRILL PROVIDED WITH A SHANK EQUIPPED WI...
Publication number
20230151699
Publication date
May 18, 2023
MONTABERT
Michel ESCOLLE
E21 - EARTH DRILLING MINING
Information
Patent Application
SPIRAL IMPACT DRILLING MACHINE APPLICABLE TO ROCK AND SOIL AND CONS...
Publication number
20220154532
Publication date
May 19, 2022
Dalian University of Technology
Jinqing JIA
E21 - EARTH DRILLING MINING
Information
Patent Application
Arrangement and Method for Installing Casing
Publication number
20210062586
Publication date
Mar 4, 2021
Mincon Nordic Oy
Markku Keskiniva
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUID OPERATED DRILLING DEVICE AND A METHOD FOR DRILLING A HOLE
Publication number
20200270949
Publication date
Aug 27, 2020
PIRKAN LAATUPALVELU OY
Juhani VÄLISALO
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE OSCILLATION APPARATUS
Publication number
20200123856
Publication date
Apr 23, 2020
REME TECHNOLOGIES, LLC
Joshua Alan Sicilian
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTARY DRILLING TOOL AND METHOD FOR PRODUCING A BORE
Publication number
20200102790
Publication date
Apr 2, 2020
Bauer Maschinen GmbH
Sebastian BAUER
E21 - EARTH DRILLING MINING
Information
Patent Application
Drilling and Operating Sigmoid-Shaped Wells
Publication number
20190330924
Publication date
Oct 31, 2019
Saudi Arabian Oil Company
Mohamed N. Noui-Mehidi
E21 - EARTH DRILLING MINING
Information
Patent Application
Drilling and Operating Sigmoid-Shaped Wells
Publication number
20190040684
Publication date
Feb 7, 2019
Saudi Arabian Oil Company
Mohamed N. Noui-Mehidi
E21 - EARTH DRILLING MINING
Information
Patent Application
Drilling and Operating Sigmoid-Shaped Wells
Publication number
20190040683
Publication date
Feb 7, 2019
Saudi Arabian Oil Company
Mohamed N. Noui-Mehidi
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE OSCILLATION APPARATUS
Publication number
20190024459
Publication date
Jan 24, 2019
REME TECHNOLOGIES, LLC
Joshua Alan Sicilian
E21 - EARTH DRILLING MINING
Information
Patent Application
PERCUSSION DEVICE
Publication number
20180274298
Publication date
Sep 27, 2018
Jaron Lyell Mcmillan
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTI FLUID DRILLING SYSTEM
Publication number
20180274299
Publication date
Sep 27, 2018
Strada Design Limited
Warren STRANGE
E21 - EARTH DRILLING MINING
Information
Patent Application
Drilling and Operating Sigmoid-Shaped Wells
Publication number
20180230751
Publication date
Aug 16, 2018
Saudi Arabian Oil Company
Mohamed N. Noui-Mehidi
E21 - EARTH DRILLING MINING
Information
Patent Application
SHANK ADAPTOR WITH STRENGTHENED FLUSHING HOLE
Publication number
20180171723
Publication date
Jun 21, 2018
Sandvik Intellectual Property AB
Anna NORDSTRAND
E21 - EARTH DRILLING MINING
Information
Patent Application
PASSIVELY INDUCED FORCED VIBRATION ROCK DRILLING SYSTEM
Publication number
20170356249
Publication date
Dec 14, 2017
Varel Europe S.A.S.
Gilles Pelfrene
E21 - EARTH DRILLING MINING
Information
Patent Application
Force Stacking Assembly for Use with a Subterranean Excavating System
Publication number
20170175446
Publication date
Jun 22, 2017
ARAMCO OVERSEAS COMPANY B.V.
Scott Fraser
E21 - EARTH DRILLING MINING
Information
Patent Application
Hydraulic rotator converter for a hydraulic impact hammer and method
Publication number
20160084005
Publication date
Mar 24, 2016
Wayne T. KUZMA
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
EXTENDED REACH DRILLING
Publication number
20140332278
Publication date
Nov 13, 2014
Gregory Donald West
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING APPARATUS
Publication number
20140262395
Publication date
Sep 18, 2014
Caterpillar Global Mining Equipment LLC
Stuart A. Connell
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTARY IMPACT DRILL AND DOUBLE-LAYER DRILLING ROD MECHANISM
Publication number
20140083775
Publication date
Mar 27, 2014
Zhongsheng Tang
E21 - EARTH DRILLING MINING
Information
Patent Application
MECHANICAL FORCE GENERATOR FOR A DOWNHOLE EXCITATION APPARATUS
Publication number
20140054090
Publication date
Feb 27, 2014
Owen Schicker
E21 - EARTH DRILLING MINING
Information
Patent Application
DRIVE DEVICE AND METHOD FOR DRIVING A DRILL ROD
Publication number
20130292179
Publication date
Nov 7, 2013
Andreas PIKOWSKI
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRAULIC ROTARY PERCUSSIVE DEVICE INTENDED TO DRILL BOREHOLES
Publication number
20130168153
Publication date
Jul 4, 2013
MONTABERT
Jean-Sylvain Comarmond
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and Arrangement for Lubricating Drill Shank of Rock Drilling...
Publication number
20120292114
Publication date
Nov 22, 2012
Markku Keskiniva
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
RESONANCE ENHANCED ROTARY DRILLING
Publication number
20120241219
Publication date
Sep 27, 2012
ITI SCOTLAND LIMITED
Marian Wiercigroch
E21 - EARTH DRILLING MINING