Roy W. Wood

Person

Birmingham, AL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Drill bit (A)
- Patent number 6,474,423
- Issue date Nov 5, 2002
- Roy W. Wood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit (b)
- Patent number 6,390,212
- Issue date May 21, 2002
- Roy W. Wood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealing bearings in drill bits
- Patent number 6,330,923
- Issue date Dec 18, 2001
- Roy W. Wood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Threaded coupling-tool joint
- Patent number 5,709,416
- Issue date Jan 20, 1998
- Roy Wood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Double face oven seal
- Patent number 5,096,210
- Issue date Mar 17, 1992
- Roy W. Wood
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of measuring drill bit fluid flow
- Patent number 4,754,818
- Issue date Jul 5, 1988
- Roy W. Wood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bit
- Patent number 4,727,943
- Issue date Mar 1, 1988
- Roy W. Wood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit assembly
- Patent number 4,541,494
- Issue date Sep 17, 1985
- Drumco
- Donald D. Drummond
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit assembly having improved operational life
- Patent number 4,540,055
- Issue date Sep 10, 1985
- Drumco
- Donald D. Drummond
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit assembly with fluid separator
- Patent number 4,515,229
- Issue date May 7, 1985
- Donald D. Drummond
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for lubricating a drill bit
- Patent number 4,508,183
- Issue date Apr 2, 1985
- Drumco
- Donald D. Drummond
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DRILL BIT (A)
- Publication number 20010047888
- Publication date Dec 6, 2001
- ROY W. WOOD
- E21 - EARTH DRILLING MINING

Roy W. Wood

Person

Patents Grantslast 30 patents

Drill bit (A)

Drill bit (b)

Sealing bearings in drill bits

Threaded coupling-tool joint

Double face oven seal

Method of measuring drill bit fluid flow

Rotary drill bit

Drill bit assembly

Drill bit assembly having improved operational life

Drill bit assembly with fluid separator

Method and apparatus for lubricating a drill bit

Patents Applicationslast 30 patents

DRILL BIT (A)