Alan D. Huffstutler

Person

Grand Prairie, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Rotary cone drill bit with integral stabilizers
- Patent number 5,755,297
- Issue date May 26, 1998
- Dresser Industries, Inc.
- John Randolph Young
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary cone drill bit
- Patent number D384084
- Issue date Sep 23, 1997
- Dresser Industries, Inc.
- Alan Dee Huffstutler
- D15 - Machines not elsewhere specified
Information Patent Grant
Rotary drill bit
- Patent number 5,624,002
- Issue date Apr 29, 1997
- Dresser Industries, Inc.
- Alan D. Huffstutler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary cone drill bit with improved support arms
- Patent number 5,595,255
- Issue date Jan 21, 1997
- Dresser Industries, Inc.
- Alan D. Huffstutler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary cone drill bit with angled ramps
- Patent number 5,553,681
- Issue date Sep 10, 1996
- Dresser Industries, Inc.
- Alan D. Huffstutler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Support arm and rotary cone for modular drill bit
- Patent number D372253
- Issue date Jul 30, 1996
- Dresser Industries, Inc.
- Alan D. Huffstutler
- D15 - Machines not elsewhere specified
Information Patent Grant
Modular rotary drill bit
- Patent number 5,439,068
- Issue date Aug 8, 1995
- Dresser Industries, Inc.
- Alan D. Huffstutler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock bit with enhanced fluid return area
- Patent number 5,439,067
- Issue date Aug 8, 1995
- Dresser Industries, Inc.
- Alan D. Huffstutler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary cone drill bit with improved cutter insert
- Patent number 5,421,423
- Issue date Jun 6, 1995
- Dresser Industries, Inc.
- Alan D. Huffstutler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Patterned hardfacing shapes on insert cutter cones
- Patent number 5,291,807
- Issue date Mar 8, 1994
- Dresser Industries, Inc.
- William D. Vanderford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Specially shaped cutting element for earth boring apparatus
- Patent number 4,716,977
- Issue date Jan 5, 1988
- Dresser Industries, Inc.
- Alan D. Huffstutler
- E21 - EARTH DRILLING MINING

Alan D. Huffstutler

Person

Patents Grantslast 30 patents

Rotary cone drill bit with integral stabilizers

Rotary cone drill bit

Rotary drill bit

Rotary cone drill bit with improved support arms

Rotary cone drill bit with angled ramps

Support arm and rotary cone for modular drill bit

Modular rotary drill bit

Rock bit with enhanced fluid return area

Rotary cone drill bit with improved cutter insert

Patterned hardfacing shapes on insert cutter cones

Specially shaped cutting element for earth boring apparatus