with pumping means for feeding lubricant

Industry

CPC
E21B10/246

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B10/00Drill bits

Current Industry

E21B10/246with pumping means for feeding lubricant

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Grease system for high pressure plug valves
- Patent number 11,255,446
- Issue date Feb 22, 2022
- BlueCore Completions, LLC
- Travis Harrel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter for boring head
- Patent number 10,392,865
- Issue date Aug 27, 2019
- Sandvik Intellectual Property AB
- Anders Lindblom
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for supplying lubricant to a lubrication point in a machine
- Patent number 9,938,866
- Issue date Apr 10, 2018
- SKF LUBRICATION SYSTEMS GERMANY AG
- Andreas Borek
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydrodynamic pump passages for rolling cone drill bit
- Patent number 7,128,171
- Issue date Oct 31, 2006
- Baker Hughes Incorporated
- Aaron J. Dick
- E21 - EARTH DRILLING MINING
Information Patent Grant
Directional borehole drilling system and method
- Patent number 6,691,804
- Issue date Feb 17, 2004
- William H. Harrison
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter head mounting for drill bit
- Patent number 6,053,264
- Issue date Apr 25, 2000
- Sunrise Enterprises, LLC
- Kenneth A. Frankel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sub-assembly for lubricating rock drill bit
- Patent number 5,927,439
- Issue date Jul 27, 1999
- David Thomas Hanns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hole opener for the top hole section of oil/gas wells
- Patent number 5,337,843
- Issue date Aug 16, 1994
- Kverneland Klepp AS
- Tor Torgrimsen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock drill bit lubricant circulating system
- Patent number 5,099,932
- Issue date Mar 31, 1992
- Cummins Engine Company, Inc.
- Charles E. Hixon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bits with cone retention means
- Patent number 4,657,091
- Issue date Apr 14, 1987
- Robert Higdon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Grease pump for sealed bearing rotary cone rock bits
- Patent number 4,501,338
- Issue date Feb 26, 1985
- Smith International, Inc.
- Lance D. Underwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Seal assemblies
- Patent number 4,494,749
- Issue date Jan 22, 1985
- Robert F. Evans
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary earth boring drill bit with centrifugal lubrication system
- Patent number 4,446,933
- Issue date May 8, 1984
- Albert G. Bodine
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit lubricant circulation system
- Patent number 4,390,072
- Issue date Jun 28, 1983
- Globe Oil Tools, Inc.
- Charles M. Phelan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Plunger lubricant compensator for an earth boring drill bit
- Patent number 4,386,667
- Issue date Jun 7, 1983
- Hughes Tool Company
- Stuart C. Millsapps
- 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
Drill bit lubrication system
- Patent number 4,381,824
- Issue date May 3, 1983
- Reed Rock Bit Company
- Paul E. Pastusek
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealed and lubricated rock bit with air protected seal ring
- Patent number 4,375,242
- Issue date Mar 1, 1983
- Hughes Tool Company
- Edward M. Galle
- 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
Cooling a drilling tool component with a separate flow stream of re...
- Patent number 4,287,957
- Issue date Sep 8, 1981
- Robert F. Evans
- E21 - EARTH DRILLING MINING
Information Patent Grant
Radial force anti-extrusion device for sealed drill string unit
- Patent number 4,254,839
- Issue date Mar 10, 1981
- Dresser Industries, Inc.
- Ricky K. Schpok
- E21 - EARTH DRILLING MINING
Information Patent Grant
Positive lubricating and indexing bearing assembly
- Patent number 4,240,674
- Issue date Dec 23, 1980
- Robert F. Evans
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock drill bit lubrication system
- Patent number 4,211,453
- Issue date Jul 8, 1980
- SKF Industrial Trading and Development Co. B.V.
- Carl E. Johansson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter actuated rock bit lubrication system
- Patent number 4,183,416
- Issue date Jan 15, 1980
- Dresser Industries, Inc.
- D. F. Walters
- E21 - EARTH DRILLING MINING
Information Patent Grant
Thrust flange actuated rock bit lubrication system
- Patent number 4,181,185
- Issue date Jan 1, 1980
- Dresser Industries, Inc.
- Wilbur S. Keller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Viscous pump rock bit lubrication system
- Patent number 4,167,219
- Issue date Sep 11, 1979
- Dresser Industries, Inc.
- Robert W. McQueen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth drilling knobby bit
- Patent number 4,096,917
- Issue date Jun 27, 1978
- Jesse W. Harris
- E21 - EARTH DRILLING MINING
Information Patent Grant
Boring apparatus
- Patent number 3,977,481
- Issue date Aug 31, 1976
- Rapidex, Inc.
- Allan T. Fisk
- E21 - EARTH DRILLING MINING
Information Patent Grant
3897837
- Patent number 3,897,837
- Issue date Aug 5, 1975
- E21 - EARTH DRILLING MINING
Information Patent Grant
3890018
- Patent number 3,890,018
- Issue date Jun 17, 1975
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR SUPPLYING LUBRICANT TO A LUBRICATION POINT IN A MACHINE
- Publication number 20170241307
- Publication date Aug 24, 2017
- SKF Lubrication Systems Germany AG
- Andreas Borek
- E21 - EARTH DRILLING MINING
Information Patent Application
DEVICE FOR SUPPLYING LUBRICANT TO A LUBRICATION POINT IN A MACHINE
- Publication number 20140238742
- Publication date Aug 28, 2014
- SKF Lubrication Systems Germany AG
- Andreas Borek
- E21 - EARTH DRILLING MINING
Information Patent Application
HYDRAULIC BRAKE FOR DRILLING-BIT
- Publication number 20130192898
- Publication date Aug 1, 2013
- HYDRO LEDUC
- Louis-Claude POREL
- E21 - EARTH DRILLING MINING
Information Patent Application
Hydrodynamic pump passages for rolling cone drill bit
- Publication number 20050183888
- Publication date Aug 25, 2005
- Aaron J. Dick
- E21 - EARTH DRILLING MINING
Information Patent Application
Lubricant pump and cone movement dampener
- Publication number 20050045387
- Publication date Mar 3, 2005
- Smith International, Inc.
- Michael S. Oliver
- E21 - EARTH DRILLING MINING
Information Patent Application
Directional borehole drilling system and method
- Publication number 20020112887
- Publication date Aug 22, 2002
- William H. Harrison
- E21 - EARTH DRILLING MINING

with pumping means for feeding lubricant

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Grease system for high pressure plug valves

Cutter for boring head

Device for supplying lubricant to a lubrication point in a machine

Hydrodynamic pump passages for rolling cone drill bit

Directional borehole drilling system and method

Cutter head mounting for drill bit

Sub-assembly for lubricating rock drill bit

Hole opener for the top hole section of oil/gas wells

Rock drill bit lubricant circulating system

Drill bits with cone retention means

Grease pump for sealed bearing rotary cone rock bits

Seal assemblies

Rotary earth boring drill bit with centrifugal lubrication system

Drill bit lubricant circulation system

Plunger lubricant compensator for an earth boring drill bit

Sealed lubricated and air cooled rock bit bearing

Drill bit lubrication system

Sealed and lubricated rock bit with air protected seal ring

Caliper seal assembly

Cooling a drilling tool component with a separate flow stream of re...

Radial force anti-extrusion device for sealed drill string unit

Positive lubricating and indexing bearing assembly

Rock drill bit lubrication system

Cutter actuated rock bit lubrication system

Thrust flange actuated rock bit lubrication system

Viscous pump rock bit lubrication system

Earth drilling knobby bit

Boring apparatus

3897837

3890018

Patents Applicationslast 30 patents

DEVICE FOR SUPPLYING LUBRICANT TO A LUBRICATION POINT IN A MACHINE

DEVICE FOR SUPPLYING LUBRICANT TO A LUBRICATION POINT IN A MACHINE

HYDRAULIC BRAKE FOR DRILLING-BIT

Hydrodynamic pump passages for rolling cone drill bit

Lubricant pump and cone movement dampener

Directional borehole drilling system and method