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with a to-and-fro rotation of the tool
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CPC
E21B3/025
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B3/00
Rotary drilling
Current Industry
E21B3/025
with a to-and-fro rotation of the tool
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Patents Grants
last 30 patents
Information
Patent Grant
Arrangement of a ground drilling device, method for operating a gro...
Patent number
11,834,921
Issue date
Dec 5, 2023
TRACTO-TECHNIK GmbH & Co. KG
Manfred Schauerte
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore friction depth sounding by oscillating a drill string or c...
Patent number
11,773,711
Issue date
Oct 3, 2023
Magnetic Variation Services LLC
Stefan Maus
E21 - EARTH DRILLING MINING
Information
Patent Grant
Inertial compensation for a quill oscillator
Patent number
11,767,749
Issue date
Sep 26, 2023
Ensign Drilling Inc.
Jarrod David Chapman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Micro-rotating drilling method in directional drilling, computer de...
Patent number
11,486,245
Issue date
Nov 1, 2022
BEIJING ZHONGSHENGGAOKE ENERGY
Jiangni Ao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Slide drilling overshot control
Patent number
11,352,871
Issue date
Jun 7, 2022
Schlumberger Technology Corporation
Jahir Pabon
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sequencing for pipe handling
Patent number
11,346,164
Issue date
May 31, 2022
Schlumberger Technology Corporation
Jan Alvaer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Induced drilling method for inertia constrained implicated motion a...
Patent number
11,306,537
Issue date
Apr 19, 2022
XI'AN MANYUAN ELECTROMECHANICAL EQUIPMENT CO., LTD.
Liang Tao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole drilling apparatus with rotatable cutting element
Patent number
11,220,865
Issue date
Jan 11, 2022
Schlumberger Technology Corporation
David R. Hall
E21 - EARTH DRILLING MINING
Information
Patent Grant
Guidance systems and apparatus for power swivel
Patent number
11,136,826
Issue date
Oct 5, 2021
National-Oilwell Varco, L.P.
Christopher Brian Walker
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for downlink communication
Patent number
10,844,703
Issue date
Nov 24, 2020
SANVEAN TECHNOLOGIES LLC
Stephen Jones
E21 - EARTH DRILLING MINING
Information
Patent Grant
Attachment for drilling and/or foundation work
Patent number
10,767,335
Issue date
Sep 8, 2020
Liebherr-Werk Nenzing GmbH
Maximillan Mendler
E21 - EARTH DRILLING MINING
Information
Patent Grant
Soil boring device and a kit including the same
Patent number
10,590,713
Issue date
Mar 17, 2020
Richard Allen Puppel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus, rock drilling rig and method for rock drilling
Patent number
10,151,191
Issue date
Dec 11, 2018
Sandvik Mining and Construction Oy
Jarno Viitaniemi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill string sub
Patent number
9,850,708
Issue date
Dec 26, 2017
Tesco Corporation
Ryan Thomas Bowley
E21 - EARTH DRILLING MINING
Information
Patent Grant
System for directional boring including a drilling head with overru...
Patent number
7,641,000
Issue date
Jan 5, 2010
Vermeer Manufacturing Company
Reneā² Marcel Albert
E21 - EARTH DRILLING MINING
Information
Patent Grant
Directional drilling control
Patent number
7,461,705
Issue date
Dec 9, 2008
Varco I/P, Inc.
Kent Erin Hulick
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for moving a tube in a borehole in the ground
Patent number
6,796,390
Issue date
Sep 28, 2004
Shell Oil Company
Thomas W. Bakker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling tool
Patent number
6,401,835
Issue date
Jun 11, 2002
DELMAG Maschinenfabrik
Winfried Scheid
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for drilling a bore hole in the ground
Patent number
6,102,139
Issue date
Aug 15, 2000
Wirth Maschinen- und Bohrgerate-Fabrik GmbH
Fritz Tibussek
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for drilling and maintenance of holes in a golf course
Patent number
5,542,476
Issue date
Aug 6, 1996
Finn H. Hansen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for driving a pile or the like into and out of th...
Patent number
5,310,287
Issue date
May 10, 1994
THC Holland N.V.
Dik Arentsen
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Drilling device
Patent number
5,193,626
Issue date
Mar 16, 1993
Rudolf Hausherr & Sohne GmbH & Co. KG
Wilhelm Jacob
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling apparatus
Patent number
5,092,411
Issue date
Mar 3, 1992
Rudolf Hausherr & Sohne GmbH & Co. KG
Heinrich-Rudolf Hausherr
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stopper apparatus for rotary reaction force
Patent number
4,984,936
Issue date
Jan 15, 1991
Hitachi Construction Machinery Co., Ltd.
Hiroshi Kusumi
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Rotary and reciprocating drilling machine
Patent number
4,860,837
Issue date
Aug 29, 1989
Sorenam
Henri F. A. Robert
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pile driver, pile drawer and/or drilling machine
Patent number
4,785,892
Issue date
Nov 22, 1988
Lam M. Luen
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Drilling and/or lifting machine
Patent number
4,703,811
Issue date
Nov 3, 1987
Ming L. Lam
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Turning mechanism operating alternately in opposite directions to f...
Patent number
4,624,324
Issue date
Nov 25, 1986
Hochstrasser nee Wack; Elisabeth
Hans Mathieu
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Rock drilling method
Patent number
4,341,271
Issue date
Jul 27, 1982
Oy Tampella AB
Antero Anttila
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for inserting tubular structural members in a...
Patent number
3,980,145
Issue date
Sep 14, 1976
Gustaf Hakan Oskar Wibom
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Arrangement of a ground drilling device, method for operating a gro...
Publication number
20220243533
Publication date
Aug 4, 2022
Tracto-Technik GmbH & Co. KG
Manfred SCHAUERTE
E21 - EARTH DRILLING MINING
Information
Patent Application
Slide Drilling Overshot Control
Publication number
20210348494
Publication date
Nov 11, 2021
SCHLUMBERGER TECHNOLOGY CORPORATION
Jahir Pabon
E21 - EARTH DRILLING MINING
Information
Patent Application
Inertial Compensation for a Quill Oscillator
Publication number
20210324725
Publication date
Oct 21, 2021
Ensign Drilling Inc.
Jarrod David Chapman
E21 - EARTH DRILLING MINING
Information
Patent Application
MICRO-ROTATING DRILLING METHOD IN DIRECTIONAL DRILLING, COMPUTER DE...
Publication number
20210095553
Publication date
Apr 1, 2021
Beijing Zhongshenggaoke Energy Technology Co., Ltd.
Jiangni AO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
GUIDANCE SYSTEMS AND APPARATUS FOR POWER SWIVEL
Publication number
20200308911
Publication date
Oct 1, 2020
National-Oilwell Varco, L.P.
Christopher Brian Walker
E21 - EARTH DRILLING MINING
Information
Patent Application
SEQUENCING FOR PIPE HANDLING
Publication number
20200284106
Publication date
Sep 10, 2020
SCHLUMBERGER TECHNOLOGY CORPORATION
Jan Alvaer
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE DRILLING APPARATUS WITH ROTATABLE CUTTING ELEMENT
Publication number
20200270950
Publication date
Aug 27, 2020
Novatek IP, LLC
David R. Hall
E21 - EARTH DRILLING MINING
Information
Patent Application
DIRECT WRAP MEASUREMENT DURING CONNECTION FOR OPTIMAL SLIDE DRILLING
Publication number
20200095829
Publication date
Mar 26, 2020
Nabors Drilling Technologies USA, Inc.
Bosko Gajic
E21 - EARTH DRILLING MINING
Information
Patent Application
Maintaining Dynamic Friction in a Wellbore Through Harmonic Rotary...
Publication number
20200024901
Publication date
Jan 23, 2020
r5 Automation Inc.
Roman Shor
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR DOWNLINK COMMUNICATION
Publication number
20170254190
Publication date
Sep 7, 2017
SANVEAN TECHNOLOGIES LLC
Stephen JONES
E21 - EARTH DRILLING MINING
Information
Patent Application
Directional drilling control
Publication number
20070256863
Publication date
Nov 8, 2007
Kent Erin Hulick
E21 - EARTH DRILLING MINING
Information
Patent Application
System for directional boring including a drilling head with overru...
Publication number
20050274548
Publication date
Dec 15, 2005
Vermeer Manufacturing
Rene Marcel Albert
E21 - EARTH DRILLING MINING