with drilling fluid supply to the bearings

Industry

CPC
E21B10/23

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B10/00Drill bits

Current Industry

E21B10/23with drilling fluid supply to the bearings

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Coated surfaces for bearings used in drilling motors
- Patent number 10,883,311
- Issue date Jan 5, 2021
- Aktiebolaget SKF
- Erich Klinglmair
- E21 - EARTH DRILLING MINING
Information Patent Grant
By-pass fluid passageway for drill tool
- Patent number 10,626,677
- Issue date Apr 21, 2020
- Sandvik Intellectual Property AB
- Karl-Oskar Finnman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Semi-sealed rotary drill tool
- Patent number 10,605,006
- Issue date Mar 31, 2020
- Sandvik Intellectual Property AB
- Karl-Oskar Finnman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Durable rock bit for blast hole drilling
- Patent number 10,364,610
- Issue date Jul 30, 2019
- Varel International Ind., L.P.
- Tony Jack Beavers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bit
- Patent number 10,024,107
- Issue date Jul 17, 2018
- Epiroc Drilling Tools LLC
- Gregory Wayne Peterson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bit air/water separator
- Patent number 9,822,589
- Issue date Nov 21, 2017
- Atlas Copco Secoroc LLC
- Gregory Wayne Peterson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tools including bearings and methods of forming same
- Patent number 9,290,997
- Issue date Mar 22, 2016
- Baker Hughes Incorporated
- Alejandro Flores
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Bearings for downhole tools, downhole tools incorporating such bear...
- Patent number 8,834,026
- Issue date Sep 16, 2014
- Baker Hughes Incorporated
- Alejandro Flores
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Air circulation ports in rotary rock bit journal bearing
- Patent number 8,337,085
- Issue date Dec 25, 2012
- Sandvik Intellectual Property AB
- Mahavir Nagaraj
- E21 - EARTH DRILLING MINING
Information Patent Grant
Using hydrostatic bearings for downhole applications
- Patent number 7,942,213
- Issue date May 17, 2011
- Schlumberger Technology Corporation
- Joachim Sihler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Graded hardfacing for drill bits
- Patent number 7,552,783
- Issue date Jun 30, 2009
- Smith International, Inc.
- Ramamurthy K. Viswanadham
- E21 - EARTH DRILLING MINING
Information Patent Grant
Solid lubricant for air cooled drill bit and method of drilling
- Patent number 6,405,811
- Issue date Jun 18, 2002
- Baker Hughes Corporation
- Ed G. Borchardt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bit providing separation of liquid from gas
- Patent number 5,012,876
- Issue date May 7, 1991
- Dresser Industries, Inc.
- Tod T. Bruchmiller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealed rotary blast hole drill bit utilizing air pressure for seal...
- Patent number 4,981,182
- Issue date Jan 1, 1991
- Dresser Industries, Inc.
- Theodore R. Dysart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit and drill assembly
- Patent number 4,805,709
- Issue date Feb 21, 1989
- Drumco
- Walter F. Johnsey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-lubricating well tools and seal elements therefor
- Patent number 4,793,424
- Issue date Dec 27, 1988
- Drilex Systems, Inc.
- Honorio Y. Lim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cone mouth debris exclusion shield
- Patent number 4,688,651
- Issue date Aug 25, 1987
- Dresser Industries, Inc.
- Theodore R. Dysart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth boring bit with air system access
- Patent number 4,646,858
- Issue date Mar 3, 1987
- Hughes Tool Company - USA
- Robert M. Strickland
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary cutter assembly
- Patent number 4,610,318
- Issue date Sep 9, 1986
- Robert D. Goodfellow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Opposed button thrust surfaces for earth boring bits
- Patent number 4,549,820
- Issue date Oct 29, 1985
- Hughes Tool Company - USA
- John M. Mullins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit assembly
- Patent number 4,541,494
- Issue date Sep 17, 1985
- Drumco
- Donald D. Drummond
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bit
- Patent number 4,516,640
- Issue date May 14, 1985
- Santrade Ltd.
- Harry L. Karlsson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit assembly with fluid separator
- Patent number 4,515,229
- Issue date May 7, 1985
- Donald D. Drummond
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for lubricating a drill bit
- Patent number 4,508,183
- Issue date Apr 2, 1985
- Drumco
- Donald D. Drummond
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock bit lubrication system
- Patent number 4,428,442
- Issue date Jan 31, 1984
- Smith International, Inc.
- Stephen C. Steinke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock bit with improved shirttail ventilation
- Patent number 4,421,184
- Issue date Dec 20, 1983
- Hughes Tool Company
- John M. Mullins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Lubricating device
- Patent number 4,399,878
- Issue date Aug 23, 1983
- Sandvik Aktiebolag
- Harry L. Karlsson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealed lubricated and air cooled rock bit bearing
- Patent number 4,386,668
- Issue date Jun 7, 1983
- Hughes Tool Company
- Verble W. Parish
- E21 - EARTH DRILLING MINING
Information Patent Grant
Caliper seal assembly
- Patent number 4,294,492
- Issue date Oct 13, 1981
- Robert F. Evans
- E21 - EARTH DRILLING MINING
Information Patent Grant
Jet dual bit
- Patent number 4,293,048
- Issue date Oct 6, 1981
- Smith International, Inc.
- Joseph A. Kloesel
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SHANK ADAPTER, ROCK DRILLING MACHINE AND METHOD
- Publication number 20240229571
- Publication date Jul 11, 2024
- SANDVIK MINING AND CONSTRUCTION OY
- Esa LAAKKOLA
- E21 - EARTH DRILLING MINING
Information Patent Application
SHANK ADAPTER, ROCK DRILLING MACHINE AND METHOD
- Publication number 20240133247
- Publication date Apr 25, 2024
- SANDVIK MINING AND CONSTRUCTION OY
- Esa LAAKKOLA
- E21 - EARTH DRILLING MINING
Information Patent Application
Floating Plug Anti-Leak
- Publication number 20200291725
- Publication date Sep 17, 2020
- Halliburton Energy Services, Inc.
- Jacob H. Kronman
- E21 - EARTH DRILLING MINING
Information Patent Application
Bearing Assembly For Drilling A Subterranean Formation
- Publication number 20190203536
- Publication date Jul 4, 2019
- Halliburton Energy Services, Inc.
- John Keith Savage
- E21 - EARTH DRILLING MINING
Information Patent Application
HOLE FORMING TOOL WITH AT LEAST ONE ROTATABLE CUTTING MEMBER
- Publication number 20180298696
- Publication date Oct 18, 2018
- John James Barry
- E21 - EARTH DRILLING MINING
Information Patent Application
DURABLE ROCK BIT FOR BLAST HOLE DRILLING
- Publication number 20180044993
- Publication date Feb 15, 2018
- VAREL INTERNATIONAL IND., L.P.
- TONY JACK BEAVERS
- E21 - EARTH DRILLING MINING
Information Patent Application
BY-PASS FLUID PASSAGEWAY FOR DRILL TOOL
- Publication number 20170254152
- Publication date Sep 7, 2017
- Sandvik Intellectual Property AB
- Karl-Oskar FINNMAN
- E21 - EARTH DRILLING MINING
Information Patent Application
SEMI-SEALED ROTARY DRILL TOOL
- Publication number 20170254151
- Publication date Sep 7, 2017
- Sandvik Intellectual Property AB
- Karl-Oskar FINNMAN
- E21 - EARTH DRILLING MINING
Information Patent Application
ROTARY DRILL BIT AIR/WATER SEPARATOR
- Publication number 20160160569
- Publication date Jun 9, 2016
- ATLAS COPCO SECOROC LLC
- Gregory Wayne Peterson
- E21 - EARTH DRILLING MINING
Information Patent Application
BEARINGS FOR DOWNHOLE TOOLS, DOWNHOLE TOOLS INCORPORATING SUCH BEAR...
- Publication number 20140301679
- Publication date Oct 9, 2014
- Alejandro Flores
- E21 - EARTH DRILLING MINING
Information Patent Application
ROCK BIT HAVING A LABYRINTH SEAL/BEARING PROTECTION STRUCTURE
- Publication number 20130020135
- Publication date Jan 24, 2013
- Varel International, Ind., L.P.
- Thomas Gallifet
- E21 - EARTH DRILLING MINING
Information Patent Application
BEARINGS FOR DOWNHOLE TOOLS, DOWNHOLE TOOLS INCORPORATING SUCH BEAR...
- Publication number 20120080230
- Publication date Apr 5, 2012
- ELEMENT SIX LIMITED
- Alejandro Flores
- E21 - EARTH DRILLING MINING
Information Patent Application
AIR CIRCULATION PORTS IN ROTARY ROCK BIT JOURNAL BEARING
- Publication number 20100284636
- Publication date Nov 11, 2010
- Sandvik Mining and Construction
- Mahavir Nagaraj
- E21 - EARTH DRILLING MINING
Information Patent Application
Lubricated Diamond Bearing Drill Bit
- Publication number 20090236147
- Publication date Sep 24, 2009
- BAKER HUGHES INCORPORATED
- Terry J. Koltermann
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
USING HYDROSTATIC BEARINGS FOR DOWNHOLE APPLICATIONS
- Publication number 20080099246
- Publication date May 1, 2008
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joachim Sihler
- E21 - EARTH DRILLING MINING
Information Patent Application
EARTH BIT HAVING A SCREEN
- Publication number 20080041633
- Publication date Feb 21, 2008
- ATLAS COPCO SECOROC LLC
- Gregory W. Peterson
- E21 - EARTH DRILLING MINING
Information Patent Application
Graded hardfacing for drill bits
- Publication number 20070000698
- Publication date Jan 4, 2007
- Smith International, Inc.
- Ramamurthy K. Viswanadham
- E21 - EARTH DRILLING MINING
Information Patent Application
Earth boring bit having air tube with removable cap
- Publication number 20030116357
- Publication date Jun 26, 2003
- Gregory W. Peterson
- E21 - EARTH DRILLING MINING

with drilling fluid supply to the bearings

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Coated surfaces for bearings used in drilling motors

By-pass fluid passageway for drill tool

Semi-sealed rotary drill tool

Durable rock bit for blast hole drilling

Rotary drill bit

Rotary drill bit air/water separator

Downhole tools including bearings and methods of forming same

Bearings for downhole tools, downhole tools incorporating such bear...

Air circulation ports in rotary rock bit journal bearing

Using hydrostatic bearings for downhole applications

Graded hardfacing for drill bits

Solid lubricant for air cooled drill bit and method of drilling

Rotary drill bit providing separation of liquid from gas

Sealed rotary blast hole drill bit utilizing air pressure for seal...

Drill bit and drill assembly

Self-lubricating well tools and seal elements therefor

Cone mouth debris exclusion shield

Earth boring bit with air system access

Rotary cutter assembly

Opposed button thrust surfaces for earth boring bits

Drill bit assembly

Rotary drill bit

Drill bit assembly with fluid separator

Method and apparatus for lubricating a drill bit

Rock bit lubrication system

Rock bit with improved shirttail ventilation

Lubricating device

Sealed lubricated and air cooled rock bit bearing

Caliper seal assembly

Jet dual bit

Patents Applicationslast 30 patents

SHANK ADAPTER, ROCK DRILLING MACHINE AND METHOD

SHANK ADAPTER, ROCK DRILLING MACHINE AND METHOD

Floating Plug Anti-Leak

Bearing Assembly For Drilling A Subterranean Formation

HOLE FORMING TOOL WITH AT LEAST ONE ROTATABLE CUTTING MEMBER

DURABLE ROCK BIT FOR BLAST HOLE DRILLING

BY-PASS FLUID PASSAGEWAY FOR DRILL TOOL

SEMI-SEALED ROTARY DRILL TOOL

ROTARY DRILL BIT AIR/WATER SEPARATOR

BEARINGS FOR DOWNHOLE TOOLS, DOWNHOLE TOOLS INCORPORATING SUCH BEAR...

ROCK BIT HAVING A LABYRINTH SEAL/BEARING PROTECTION STRUCTURE

BEARINGS FOR DOWNHOLE TOOLS, DOWNHOLE TOOLS INCORPORATING SUCH BEAR...

AIR CIRCULATION PORTS IN ROTARY ROCK BIT JOURNAL BEARING

Lubricated Diamond Bearing Drill Bit

USING HYDROSTATIC BEARINGS FOR DOWNHOLE APPLICATIONS

EARTH BIT HAVING A SCREEN

Graded hardfacing for drill bits

Earth boring bit having air tube with removable cap