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with roller axle supported at both ends
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Industry
CPC
E21B10/10
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B10/00
Drill bits
Current Industry
E21B10/10
with roller axle supported at both ends
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Hybrid bit
Patent number
12,084,919
Issue date
Sep 10, 2024
Schlumberger Technology Corporation
Scott D. McDonough
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit with offset counter-rotating cutters
Patent number
12,012,807
Issue date
Jun 18, 2024
Halliburton Energy Services, Inc.
Douglas Bruce Caraway
E21 - EARTH DRILLING MINING
Information
Patent Grant
Roller reamer
Patent number
11,408,231
Issue date
Aug 9, 2022
HOLE OPENER CORPORATION, INTERNATIONAL
Jonathan Adam Moore
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods for treating pulmonary hypertension
Patent number
11,141,422
Issue date
Oct 12, 2021
CHIESI FARMACEUTICI S.P.A.
David Kylhammar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Raise boring head for rotary boring
Patent number
11,028,649
Issue date
Jun 8, 2021
Sandvik Intellectual Property AB
Joona Loikkanen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bi-directional drilling systems and methods
Patent number
10,689,910
Issue date
Jun 23, 2020
Schlumberger Technology Corporation
Siamak Dadkhah
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for driving a cavity in mining
Patent number
10,683,750
Issue date
Jun 16, 2020
Herrenknecht Aktiengesellschaft
Timothée Couchoud
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hybrid drill bit with counter-rotation cutters in center
Patent number
10,557,311
Issue date
Feb 11, 2020
Halliburton Energy Services, Inc.
Seth Garrett Anderle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Composite drill bit
Patent number
10,352,101
Issue date
Jul 16, 2019
Chengdu Weiyi Petroleum Technology Co., Ltd.
Liyuan Yang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary drill bit
Patent number
10,100,581
Issue date
Oct 16, 2018
Michael Timte
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsurface drilling tool
Patent number
9,428,965
Issue date
Aug 30, 2016
Kevin Dewayne Jones
E21 - EARTH DRILLING MINING
Information
Patent Grant
Earth-boring cutter mount and assembly
Patent number
8,695,732
Issue date
Apr 15, 2014
Stu Blattner
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter assembly for a raise boring reamer
Patent number
8,464,813
Issue date
Jun 18, 2013
Atlas Copco Secoroc LLC
Andrew J. Osborne
E21 - EARTH DRILLING MINING
Information
Patent Grant
Boring head, roller cutter and saddle for a boring head for rotary...
Patent number
6,929,077
Issue date
Aug 16, 2005
Sandvik AB
Stig-Ake Brolund
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hole opener with multisized, replaceable arms and cutters
Patent number
6,527,066
Issue date
Mar 4, 2003
Allen Kent Rives
E21 - EARTH DRILLING MINING
Information
Patent Grant
Roller bit for tunnel-driving machines with segmented cutting rings
Patent number
6,343,842
Issue date
Feb 5, 2002
Boart Longyear GmbH & Co. KG Hartmetallwerkzeugfabrik
Klaus Dieter Sauer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter, a stopper means and a method of preventing mud from enterin...
Patent number
5,984,024
Issue date
Nov 16, 1999
Sandvik AB
Goran Strand
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and apparatus for lubricating a rotary cutter
Patent number
5,839,523
Issue date
Nov 24, 1998
Sandvik AB
Stig-.ANG.ke Brolund
E21 - EARTH DRILLING MINING
Information
Patent Grant
Earth-boring bit having cutter with replaceable kerf ring with cont...
Patent number
5,785,135
Issue date
Jul 28, 1998
Baker Hughes Incorporated
Dolph Crawley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter assembly having a plurality of independently rotatable cutti...
Patent number
5,598,895
Issue date
Feb 4, 1997
Atlas Copco Robbins Inc.
Llewellan Anderson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bit with ball plug compensator having pressure relief means
Patent number
5,520,257
Issue date
May 28, 1996
Baker Hughes Incorporated
Kay M. Crews
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter of a boring head, hub for the cutter and method of manufactu...
Patent number
5,507,355
Issue date
Apr 16, 1996
Sandvik AB
Michael Mattsson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mounting system for raise and shaft cutters
Patent number
5,487,435
Issue date
Jan 30, 1996
Baker Hughes Incorporated
Dolph R. Crawley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit with improved rolling cutter tooth pattern
Patent number
5,456,328
Issue date
Oct 10, 1995
Dresser Industries, Inc.
William C. Saxman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit with improved rolling cutter tooth pattern
Patent number
5,429,201
Issue date
Jul 4, 1995
Dresser Industries, Inc.
William C. Saxman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Roller cutter mount for tunneling machine
Patent number
5,421,422
Issue date
Jun 6, 1995
Clayton H. Crane
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sealed bearing roller reamer
Patent number
5,381,868
Issue date
Jan 17, 1995
Triumph*LOR Inc
William H. Schock
E21 - EARTH DRILLING MINING
Information
Patent Grant
Roller cutter assembly having adjustable ring cutter spacing
Patent number
5,234,064
Issue date
Aug 10, 1993
The Robbins Company
Carl E. Lenaburg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for fixing disk cutter to tunnel excavator
Patent number
5,181,577
Issue date
Jan 26, 1993
Kabushiki Kaisha Komatsu Seisakusho
Toshio Tsukamoto
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock working tool
Patent number
5,058,690
Issue date
Oct 22, 1991
Atlas Copco Construction and Mining Technique AB
Carl S. M. Hartwig
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
HYBRID BIT
Publication number
20220220807
Publication date
Jul 14, 2022
SCHLUMBERGER TECHNOLOGY CORPORATION
Scott D. McDonough
E21 - EARTH DRILLING MINING
Information
Patent Application
Roller Reamer
Publication number
20200165877
Publication date
May 28, 2020
Hole Opener Corporation International
Jonathan Adam Moore
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS FOR TREATING PULMONARY HYPERTENSION
Publication number
20190298753
Publication date
Oct 3, 2019
Chiesi Farmaceutici s.p.A.
David Kylhammar
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
RAISE BORING HEAD FOR ROTARY BORING
Publication number
20180223600
Publication date
Aug 9, 2018
Sandvik Intellectual Property AB
Joona LOIKKANEN
E21 - EARTH DRILLING MINING
Information
Patent Application
HYBRID DRILL BIT WITH COUNTER-ROTATION CUTTERS IN CENTER
Publication number
20180202231
Publication date
Jul 19, 2018
Halliburton Energy Services, Inc.
Seth Garrett Anderle
E21 - EARTH DRILLING MINING
Information
Patent Application
BI-DIRECTIONAL DRILLING SYSTEMS AND METHODS
Publication number
20180002985
Publication date
Jan 4, 2018
SCHLUMBERGER TECHNOLOGY CORPORATION
Siamak Dadkhah
E21 - EARTH DRILLING MINING
Information
Patent Application
SUBSURFACE DRILLING TOOL
Publication number
20160237752
Publication date
Aug 18, 2016
Tenax Energy Solutions, LLC
KEVIN DEWAYNE JONES
E21 - EARTH DRILLING MINING
Information
Patent Application
EARTH - BORING CUTTER MOUNT AND ASSEMBLY
Publication number
20110220422
Publication date
Sep 15, 2011
Stu Blattner
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTER ASSEMBLY FOR A RAISE BORING REAMER
Publication number
20100126778
Publication date
May 27, 2010
ATLAS COPCO SECOROC LLC
Andrew J. Osborne, JR.
E21 - EARTH DRILLING MINING
Information
Patent Application
Boring head, roller cutter and saddle for a boring head for rotary...
Publication number
20030106720
Publication date
Jun 12, 2003
Stig-Ake Brolund
E21 - EARTH DRILLING MINING