David K. Truax

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Cutting element with canted interface surface and bit body incorpor...
- Patent number 7,703,560
- Issue date Apr 27, 2010
- Smith International, Inc.
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multiple diameter cutting elements and bits incorporating the same
- Patent number 7,461,709
- Issue date Dec 9, 2008
- Smith International, Inc.
- Madapusi K. Keshavan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advanced expandable reaming tool
- Patent number 7,451,836
- Issue date Nov 18, 2008
- Smith International, Inc.
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advanced expandable reaming tool
- Patent number 7,451,837
- Issue date Nov 18, 2008
- Smith International, Inc.
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting element with canted interface surface and bit body incorpor...
- Patent number 7,395,885
- Issue date Jul 8, 2008
- Smith International, Inc.
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting element with canted interface surface and bit body incorpor...
- Patent number 7,165,636
- Issue date Jan 23, 2007
- Smith International, Inc.
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coarse carbide substrate cutting elements and method of forming the...
- Patent number 7,017,677
- Issue date Mar 28, 2006
- Smith International, Inc.
- Madapusi K. Keshavan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Cutting element
- Patent number 6,991,049
- Issue date Jan 31, 2006
- Smith International, Inc.
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for drilling a wellbore using a bi-center drill bit
- Patent number 6,883,622
- Issue date Apr 26, 2005
- Smith International, Inc.
- Timothy P. Beaton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Advanced expandable reaming tool
- Patent number 6,880,650
- Issue date Apr 19, 2005
- Smith International, Inc.
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit having large diameter PDC cutters
- Patent number 6,808,031
- Issue date Oct 26, 2004
- Smith International, Inc.
- Graham Mensa-Wilmot
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit having diamond impregnated inserts primary cutting structure
- Patent number 6,725,953
- Issue date Apr 27, 2004
- Smith International, Inc.
- David K. Truax
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Asymmetric diamond impregnated drill bit
- Patent number 6,474,425
- Issue date Nov 5, 2002
- Smith International, Inc.
- David Truax
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bi-centered drill bit having improved drilling stability, mud hydra...
- Patent number 6,464,024
- Issue date Oct 15, 2002
- Smith International, Inc.
- Timothy P. Beaton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting element with canted design for improved braze contact area
- Patent number 6,405,814
- Issue date Jun 18, 2002
- Smith International, Inc.
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit having diamond impregnated inserts primary cutting structure
- Patent number 6,394,202
- Issue date May 28, 2002
- Smith International, Inc.
- David K. Truax
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Bi-centered drill bit having improved drilling stability mud hydrau...
- Patent number 6,269,893
- Issue date Aug 7, 2001
- Smith International, Inc.
- Timothy P. Beaton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting element with canted design for improved braze contact area
- Patent number 6,202,772
- Issue date Mar 20, 2001
- Smith International
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter assembly for rock bits with back support groove
- Patent number 5,947,216
- Issue date Sep 7, 1999
- Smith International, Inc.
- David Truax
- E21 - EARTH DRILLING MINING
Information Patent Grant
Matrix hard facing by lost wax process
- Patent number 5,944,128
- Issue date Aug 31, 1999
- Camco International (UK) Limited
- David Truax
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Surface enhanced polycrystalline diamond composite cutters
- Patent number 5,833,021
- Issue date Nov 10, 1998
- Smith International, Inc.
- Graham Mensa-Wilmot
- E21 - EARTH DRILLING MINING
Information Patent Grant
In or relating to rotary drill bits
- Patent number 5,732,783
- Issue date Mar 31, 1998
- Camco Drilling Group Limited of Hycalog
- David Truax
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Multiple diamond layer polycrystalline diamond composite cutters
- Patent number 5,667,028
- Issue date Sep 16, 1997
- Smith International, Inc.
- David Truax
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Cutting element with canted interface surface and bit body incorpor...
- Publication number 20090025985
- Publication date Jan 29, 2009
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING
Information Patent Application
Cutting element with canted interface surface and bit body incorpor...
- Publication number 20070119631
- Publication date May 31, 2007
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for forming cutting elements
- Publication number 20060054363
- Publication date Mar 16, 2006
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING
Information Patent Application
Multiple diameter cutting elements and bits incorporating the same
- Publication number 20050082093
- Publication date Apr 21, 2005
- Madapusi K. Keshavan
- E21 - EARTH DRILLING MINING
Information Patent Application
Advanced expandable reaming tool
- Publication number 20040159468
- Publication date Aug 19, 2004
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Application
Advanced expandable reaming tool
- Publication number 20040154836
- Publication date Aug 12, 2004
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Application
Coarse carbide substrate cutting elements and method of forming the...
- Publication number 20040016557
- Publication date Jan 29, 2004
- Madapusi K. Keshavan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Roller cone drill bit having designed walk characteristics
- Publication number 20030136588
- Publication date Jul 24, 2003
- David Truax
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for forming cutting elements
- Publication number 20030079918
- Publication date May 1, 2003
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for friction stir welding
- Publication number 20030075584
- Publication date Apr 24, 2003
- Daniel J. Sarik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Advanced expandable reaming tool
- Publication number 20030029644
- Publication date Feb 13, 2003
- Carl M. Hoffmaster
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill bit having large diameter PDC cutters
- Publication number 20020144843
- Publication date Oct 10, 2002
- Graham Mensa-Wilmot
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for forming cutting elements
- Publication number 20020079140
- Publication date Jun 27, 2002
- Ronald K. Eyre
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for drilling a wellbore using a bi-center drill bit
- Publication number 20020017400
- Publication date Feb 14, 2002
- Timothy P. Beaton
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT HAVING DIAMOND IMPREGNATED INSERTS PRIMARY CUTTING STRUCTURE
- Publication number 20010047891
- Publication date Dec 6, 2001
- DAVID K. TRUAX
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Bi-centered drill bit having improved drilling stability, mud hydra...
- Publication number 20010020552
- Publication date Sep 13, 2001
- Timothy P. Beaton
- E21 - EARTH DRILLING MINING

David K. Truax

Person

Patents Grantslast 30 patents

Cutting element with canted interface surface and bit body incorpor...

Multiple diameter cutting elements and bits incorporating the same

Advanced expandable reaming tool

Advanced expandable reaming tool

Cutting element with canted interface surface and bit body incorpor...

Cutting element with canted interface surface and bit body incorpor...

Coarse carbide substrate cutting elements and method of forming the...

Cutting element

Method for drilling a wellbore using a bi-center drill bit

Advanced expandable reaming tool

Drill bit having large diameter PDC cutters

Drill bit having diamond impregnated inserts primary cutting structure

Asymmetric diamond impregnated drill bit

Bi-centered drill bit having improved drilling stability, mud hydra...

Cutting element with canted design for improved braze contact area

Drill bit having diamond impregnated inserts primary cutting structure

Bi-centered drill bit having improved drilling stability mud hydrau...

Cutting element with canted design for improved braze contact area

Cutter assembly for rock bits with back support groove

Matrix hard facing by lost wax process

Surface enhanced polycrystalline diamond composite cutters

In or relating to rotary drill bits

Multiple diamond layer polycrystalline diamond composite cutters

Patents Applicationslast 30 patents

Cutting element with canted interface surface and bit body incorpor...

Cutting element with canted interface surface and bit body incorpor...

Method for forming cutting elements

Multiple diameter cutting elements and bits incorporating the same

Advanced expandable reaming tool

Advanced expandable reaming tool

Coarse carbide substrate cutting elements and method of forming the...

Roller cone drill bit having designed walk characteristics

Method for forming cutting elements

Method and apparatus for friction stir welding

Advanced expandable reaming tool

Drill bit having large diameter PDC cutters

Method for forming cutting elements

Method for drilling a wellbore using a bi-center drill bit

DRILL BIT HAVING DIAMOND IMPREGNATED INSERTS PRIMARY CUTTING STRUCTURE

Bi-centered drill bit having improved drilling stability, mud hydra...