Gary Portwood

Person

Kingwood, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Cutting elements with increased toughness and thermal fatigue resis...
- Patent number 7,832,506
- Issue date Nov 16, 2010
- Smith International, Inc.
- Dah-Ben Liang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Cutting elements of gage row and first inner row of a drill bit
- Patent number 7,743,857
- Issue date Jun 29, 2010
- Smith International, Inc.
- Alan W. Lockstedt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting elements of gage row and first inner row of a drill bit
- Patent number 7,367,413
- Issue date May 6, 2008
- Smith International, Inc.
- Alan W. Lockstedt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting elements of gage row and first inner row of a drill bit
- Patent number 7,124,842
- Issue date Oct 24, 2006
- Smith International, Inc.
- Alan W. Lockstedt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting element orientation or geometry for improved drill bits
- Patent number 6,988,569
- Issue date Jan 24, 2006
- Smith International
- Alan W. Lockstedt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting elements of gage row and first inner row of a drill bit
- Patent number 6,848,521
- Issue date Feb 1, 2005
- Smith International, Inc.
- Alan W. Lockstedt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter element with non-linear, expanded crest
- Patent number 6,782,959
- Issue date Aug 31, 2004
- Smith International, Inc.
- James C. Minikus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roller cone drill bit having lubrication contamination detector and...
- Patent number 6,698,536
- Issue date Mar 2, 2004
- Smith International, Inc.
- David P. Moran
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual-seal drill bit pressure communication system
- Patent number 6,695,079
- Issue date Feb 24, 2004
- Smith International, Inc.
- Gary Ray Portwood
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Dual-seal drill bit pressure communication system
- Patent number 6,679,342
- Issue date Jan 20, 2004
- Smith International, Inc.
- Gary Ray Portwood
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fracture and wear resistant rock bits
- Patent number 6,655,478
- Issue date Dec 2, 2003
- Smith International, Inc.
- Dah-Ben Liang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Drill bit with canted gage insert
- Patent number 6,640,913
- Issue date Nov 4, 2003
- Smith International, Inc.
- Alan W. Lockstedt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock bit with load stabilizing cutting structure
- Patent number 6,561,292
- Issue date May 13, 2003
- Smith International, Inc.
- Gary R. Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter element with non-linear, expanded crest
- Patent number 6,561,293
- Issue date May 13, 2003
- Smith International, Inc.
- James C. Minikus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rolling cone bit with gage and off-gage cutter elements positioned...
- Patent number 6,510,909
- Issue date Jan 28, 2003
- Smith International, Inc.
- Gary Ray Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Engineered enhanced inserts for rock drilling bits
- Patent number 6,484,826
- Issue date Nov 26, 2002
- Smith International, Inc.
- Nathan R. Anderson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit inserts with variations in thickness of diamond coating
- Patent number 6,460,636
- Issue date Oct 8, 2002
- Smith International, Inc.
- Zhou Yong
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual-seal drill bit pressure communication system
- Patent number 6,431,293
- Issue date Aug 13, 2002
- Smith International, Inc.
- Gary Ray Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with ridge-cutting cutter elements
- Patent number 6,422,327
- Issue date Jul 23, 2002
- Smith International, Inc.
- Gary Ray Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rolling cone bit with gage and off-gage cutter elements positioned...
- Patent number 6,390,210
- Issue date May 21, 2002
- Smith International, Inc.
- Gary Ray Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Steel tooth cutter element with expanded crest
- Patent number 6,367,568
- Issue date Apr 9, 2002
- Smith International, Inc.
- Stephen C. Steinke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-piece rotary cone drill bit seal
- Patent number 6,305,483
- Issue date Oct 23, 2001
- Smith International, Inc.
- Gary R. Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Inserts for earth-boring bits
- Patent number 6,290,008
- Issue date Sep 18, 2001
- Smith International, Inc.
- Gary R. Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter element with expanded crest geometry
- Patent number 6,241,034
- Issue date Jun 5, 2001
- Smith International, Inc.
- Stephen C. Steinke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Superhard material enhanced inserts for earth-boring bits
- Patent number 6,241,035
- Issue date Jun 5, 2001
- Smith International, Inc.
- Gary R. Portwood
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Engineered enhanced inserts for rock drilling bits
- Patent number 6,199,645
- Issue date Mar 13, 2001
- Smith International, Inc.
- Nathan R. Anderson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual-seal drill bit pressure communication system
- Patent number 6,196,339
- Issue date Mar 6, 2001
- Smith International, Inc.
- Gary Ray Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with ridge-cutting cutter elements
- Patent number 6,176,329
- Issue date Jan 23, 2001
- Smith International, Inc.
- Gary Ray Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter element with non-rectilinear crest
- Patent number 6,161,634
- Issue date Dec 19, 2000
- James C. Minikus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Non-symmetrical stress-resistant rotary drill bit cutter element
- Patent number 6,059,054
- Issue date May 9, 2000
- Smith International, Inc.
- Gary Ray Portwood
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CUTTING ELEMENTS OF GAGE ROW AND FIRST INNER ROW OF A DRILL BIT
- Publication number 20090065261
- Publication date Mar 12, 2009
- Smith International, Inc.
- Alan W. Lockstedt
- E21 - EARTH DRILLING MINING
Information Patent Application
Cutting elements of gage row and first inner row of a drill bit
- Publication number 20060260847
- Publication date Nov 23, 2006
- Smith International, Inc.
- Alan W. Lockstedt
- E21 - EARTH DRILLING MINING
Information Patent Application
Cutting elements of gage row and first inner row of a drill bit
- Publication number 20060027403
- Publication date Feb 9, 2006
- Smith International, Inc.
- Alan W. Lockstedt
- E21 - EARTH DRILLING MINING
Information Patent Application
Novel cutting element orientation or geometry for improved drill bits
- Publication number 20050167162
- Publication date Aug 4, 2005
- Smith International, Inc.
- Alan W. Lockstedt
- E21 - EARTH DRILLING MINING
Information Patent Application
Cutting elements of gage row and first inner row of a drill bit
- Publication number 20040045743
- Publication date Mar 11, 2004
- Alan W. Lockstedt
- E21 - EARTH DRILLING MINING
Information Patent Application
Cutter element with non-linear, expanded crest
- Publication number 20030188896
- Publication date Oct 9, 2003
- Smith International, Inc.
- James C. Minikus
- E21 - EARTH DRILLING MINING
Information Patent Application
Fracture and wear resistant rock bits
- Publication number 20030111272
- Publication date Jun 19, 2003
- Dah-Ben Liang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Roller cone drill bit having lubrication contamination detector and...
- Publication number 20030062197
- Publication date Apr 3, 2003
- David P. Moran
- E21 - EARTH DRILLING MINING
Information Patent Application
Dual-seal drill bit pressure communication system
- Publication number 20030019666
- Publication date Jan 30, 2003
- Smith International, Inc.
- Gary Ray Portwood
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Dual-seal drill bit pressure communication system
- Publication number 20020153172
- Publication date Oct 24, 2002
- Gary Ray Portwood
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Rolling cone bit with gage and off-gage cutter elements positioned...
- Publication number 20020153171
- Publication date Oct 24, 2002
- Smith International, Inc.
- Gary Ray Portwood
- E21 - EARTH DRILLING MINING
Information Patent Application
Steel tooth cutter element with expanded crest
- Publication number 20010027881
- Publication date Oct 11, 2001
- Stephen C. Steinke
- E21 - EARTH DRILLING MINING
Information Patent Application
Cutter element with non-linear, expanded crest
- Publication number 20010025728
- Publication date Oct 4, 2001
- James C. Minikus
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT WITH CANTED GAGE INSERT
- Publication number 20010004026
- Publication date Jun 21, 2001
- ALAN W. LOCKSTEDT
- E21 - EARTH DRILLING MINING

Gary Portwood

Person

Patents Grantslast 30 patents

Cutting elements with increased toughness and thermal fatigue resis...

Cutting elements of gage row and first inner row of a drill bit

Cutting elements of gage row and first inner row of a drill bit

Cutting elements of gage row and first inner row of a drill bit

Cutting element orientation or geometry for improved drill bits

Cutting elements of gage row and first inner row of a drill bit

Cutter element with non-linear, expanded crest

Roller cone drill bit having lubrication contamination detector and...

Dual-seal drill bit pressure communication system

Dual-seal drill bit pressure communication system

Fracture and wear resistant rock bits

Drill bit with canted gage insert

Rock bit with load stabilizing cutting structure

Cutter element with non-linear, expanded crest

Rolling cone bit with gage and off-gage cutter elements positioned...

Engineered enhanced inserts for rock drilling bits

Drill bit inserts with variations in thickness of diamond coating

Dual-seal drill bit pressure communication system

Drill bit with ridge-cutting cutter elements

Rolling cone bit with gage and off-gage cutter elements positioned...

Steel tooth cutter element with expanded crest

Multi-piece rotary cone drill bit seal

Inserts for earth-boring bits

Cutter element with expanded crest geometry

Superhard material enhanced inserts for earth-boring bits

Engineered enhanced inserts for rock drilling bits

Dual-seal drill bit pressure communication system

Drill bit with ridge-cutting cutter elements

Cutter element with non-rectilinear crest

Non-symmetrical stress-resistant rotary drill bit cutter element

Patents Applicationslast 30 patents

CUTTING ELEMENTS OF GAGE ROW AND FIRST INNER ROW OF A DRILL BIT

Cutting elements of gage row and first inner row of a drill bit

Cutting elements of gage row and first inner row of a drill bit

Novel cutting element orientation or geometry for improved drill bits

Cutting elements of gage row and first inner row of a drill bit

Cutter element with non-linear, expanded crest

Fracture and wear resistant rock bits

Roller cone drill bit having lubrication contamination detector and...

Dual-seal drill bit pressure communication system

Dual-seal drill bit pressure communication system

Rolling cone bit with gage and off-gage cutter elements positioned...

Steel tooth cutter element with expanded crest

Cutter element with non-linear, expanded crest

DRILL BIT WITH CANTED GAGE INSERT