Carl W. Keith

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fixed cutter drill bit
- Patent number 7,726,415
- Issue date Jun 1, 2010
- OTS International, Inc.
- Robert George Tipton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill out bi-center bit and method for using same
- Patent number 6,926,099
- Issue date Aug 9, 2005
- Varel International, L.P.
- Gary M. Thigpen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with large inserts
- Patent number 6,918,455
- Issue date Jul 19, 2005
- Smith International
- John Adam Meyers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Low-contact area cutting element
- Patent number 6,904,983
- Issue date Jun 14, 2005
- Varel International, Ltd.
- Gary M. Thigpen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drag-type casing mill/drill bit
- Patent number 6,568,492
- Issue date May 27, 2003
- Varel International, Inc.
- Gary M. Thigpen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with rows of cutters mounted to present a serrated cuttin...
- Patent number 6,564,886
- Issue date May 20, 2003
- Smith International, Inc.
- Graham Mensa-Wilmot
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with rows of cutters mounted to present a serrated cuttin...
- Patent number 6,164,394
- Issue date Dec 26, 2000
- Smith International, Inc.
- Graham Mensa-Wilmot
- E21 - EARTH DRILLING MINING
Information Patent Grant
PDC cutter element having improved substrate configuration
- Patent number 6,148,937
- Issue date Nov 21, 2000
- Smith International, Inc.
- Graham Mensa-Wilmot
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drill bits with predictable walk tendencies
- Patent number 5,937,958
- Issue date Aug 17, 1999
- Smith International, Inc.
- Graham Mensa-Wilmot
- E21 - EARTH DRILLING MINING
Information Patent Grant
PDC cutter element having improved substrate configuration
- Patent number 5,906,246
- Issue date May 25, 1999
- Smith International, Inc.
- Graham Mensa-Wilmot
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Brazing receptacle for improved PCD cutter retention
- Patent number 5,737,980
- Issue date Apr 14, 1998
- Smith International, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stability enhanced drill bit and cutting structure having zones of...
- Patent number 5,607,024
- Issue date Mar 4, 1997
- Smith International, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit and cutting structure having enhanced placement and sizin...
- Patent number 5,607,025
- Issue date Mar 4, 1997
- Smith International, Inc.
- Graham Mensa-Wilmot
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit having improved cutting structure with varying diamond de...
- Patent number 5,592,996
- Issue date Jan 14, 1997
- Smith International, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit having enhanced cutting structure and stabilizing features
- Patent number 5,582,261
- Issue date Dec 10, 1996
- Smith International, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit having stability enhancing cutting structure
- Patent number 5,551,522
- Issue date Sep 3, 1996
- Smith International, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with performance-improving cutting structure
- Patent number 5,549,171
- Issue date Aug 27, 1996
- Smith International, Inc.
- Graham Mensa-Wilmot
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with improved insert cutter pattern and method of drilling
- Patent number 5,346,025
- Issue date Sep 13, 1994
- Dresser Industries, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with improved insert cutter pattern
- Patent number 5,265,685
- Issue date Nov 30, 1993
- Dresser Industries, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with improved cutter sizing pattern
- Patent number 5,238,075
- Issue date Aug 24, 1993
- Dresser Industries, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Unbalanced PDC drill bit with right hand walk tendencies, and metho...
- Patent number 5,099,929
- Issue date Mar 31, 1992
- Dresser Industries, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with vibration stabilizers
- Patent number 5,090,492
- Issue date Feb 25, 1992
- Dresser Industries, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Polycrystalline diamond cutting element with mating recess
- Patent number 4,911,254
- Issue date Mar 27, 1990
- Hughes Tool Company
- Carl W. Keith
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Drill out bi-center bit and method for using same
- Publication number 20040188149
- Publication date Sep 30, 2004
- Gary M. Thigpen
- E21 - EARTH DRILLING MINING
Information Patent Application
Low-contact area cutting element
- Publication number 20040149495
- Publication date Aug 5, 2004
- Varel International, Inc.
- Gary M. Thigpen
- E21 - EARTH DRILLING MINING
Information Patent Application
Mill/drill bit
- Publication number 20020121393
- Publication date Sep 5, 2002
- Varel International, Inc.
- Gary M. Thigpen
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT WITH LARGE INSERTS
- Publication number 20010047890
- Publication date Dec 6, 2001
- JOHN ADAMS MEYERS
- E21 - EARTH DRILLING MINING

Carl W. Keith

Person

Patents Grantslast 30 patents

Fixed cutter drill bit

Drill out bi-center bit and method for using same

Drill bit with large inserts

Low-contact area cutting element

Drag-type casing mill/drill bit

Drill bit with rows of cutters mounted to present a serrated cuttin...

Drill bit with rows of cutters mounted to present a serrated cuttin...

PDC cutter element having improved substrate configuration

Drill bits with predictable walk tendencies

PDC cutter element having improved substrate configuration

Brazing receptacle for improved PCD cutter retention

Stability enhanced drill bit and cutting structure having zones of...

Drill bit and cutting structure having enhanced placement and sizin...

Drill bit having improved cutting structure with varying diamond de...

Drill bit having enhanced cutting structure and stabilizing features

Drill bit having stability enhancing cutting structure

Drill bit with performance-improving cutting structure

Drill bit with improved insert cutter pattern and method of drilling

Drill bit with improved insert cutter pattern

Drill bit with improved cutter sizing pattern

Unbalanced PDC drill bit with right hand walk tendencies, and metho...

Drill bit with vibration stabilizers

Polycrystalline diamond cutting element with mating recess

Patents Applicationslast 30 patents

Drill out bi-center bit and method for using same

Low-contact area cutting element

Mill/drill bit

DRILL BIT WITH LARGE INSERTS