Theodore R. Dysart

Person

Dallas, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Flat seal for a roller cone rock bit
- Patent number 5,513,715
- Issue date May 7, 1996
- Dresser Industries, Inc.
- Theodore R. Dysart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roller cone rock bit having a sealing system with double elastomer...
- Patent number 5,441,120
- Issue date Aug 15, 1995
- Dresser Industries, Inc.
- Theodore R. Dysart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Double seal with lubricant gap between seals for sealed rotary dril...
- Patent number 5,027,911
- Issue date Jul 2, 1991
- Dresser Industries, Inc.
- Theodore R. Dysart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sealed rotary blast hole drill bit utilizing air pressure for seal...
- Patent number 4,981,182
- Issue date Jan 1, 1991
- Dresser Industries, Inc.
- Theodore R. Dysart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling bit with improved trailing edge vent
- Patent number 4,813,502
- Issue date Mar 21, 1989
- Dresser Industries, Inc.
- Theodore R. Dysart
Information Patent Grant
Cone mouth debris exclusion shield
- Patent number 4,688,651
- Issue date Aug 25, 1987
- Dresser Industries, Inc.
- Theodore R. Dysart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Floating seal for drill bits
- Patent number 4,249,622
- Issue date Feb 10, 1981
- Dresser Industries, Inc.
- Theodore R. Dysart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flow control valve for rock bits
- Patent number 4,154,313
- Issue date May 15, 1979
- Dresser Industries, Inc.
- Theodore R. Dysart
- E21 - EARTH DRILLING MINING
Information Patent Grant
Land erosion protection on a rock cutter
- Patent number 3,952,815
- Issue date Apr 27, 1976
- Dresser Industries, Inc.
- Theodore Rivers Dysart
- E21 - EARTH DRILLING MINING

Theodore R. Dysart

Person

Patents Grantslast 30 patents

Flat seal for a roller cone rock bit

Roller cone rock bit having a sealing system with double elastomer...

Double seal with lubricant gap between seals for sealed rotary dril...

Sealed rotary blast hole drill bit utilizing air pressure for seal...

Drilling bit with improved trailing edge vent

Cone mouth debris exclusion shield

Floating seal for drill bits

Flow control valve for rock bits

Land erosion protection on a rock cutter