Richard L. Duncan

Person

Duncan, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Self-contained downhole gauge system
- Patent number 5,337,234
- Issue date Aug 9, 1994
- Halliburton Company
- Terry O. Anderson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-containing downhole gauge system
- Patent number 5,153,832
- Issue date Oct 6, 1992
- Halliburton Company
- Terry O. Anderson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-contained downhole gauge system
- Patent number 4,866,607
- Issue date Sep 12, 1989
- Halliburton Company
- Terry O. Anderson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dynamically adjustable linear data discriminator
- Patent number 4,718,027
- Issue date Jan 5, 1988
- Halliburton Company
- John M. Richardson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Power-conserving self-contained downhole gauge system
- Patent number 4,709,234
- Issue date Nov 24, 1987
- Halliburton Company
- Gilbert H. Forehand
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of testing and addressing a magnetic core memory
- Patent number 4,669,082
- Issue date May 26, 1987
- Halliburton Company
- Stephen E. Tilghman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of sampling and recording information pertaining to a physic...
- Patent number 4,665,398
- Issue date May 12, 1987
- Halliburton Company
- Michael J. Lynch
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of sampling environmental conditions with a self-contained d...
- Patent number 4,663,628
- Issue date May 5, 1987
- Halliburton Company
- Richard L. Duncan
- E21 - EARTH DRILLING MINING

Richard L. Duncan

Person

Patents Grantslast 30 patents

Self-contained downhole gauge system

Self-containing downhole gauge system

Self-contained downhole gauge system

Dynamically adjustable linear data discriminator

Power-conserving self-contained downhole gauge system

Method of testing and addressing a magnetic core memory

Method of sampling and recording information pertaining to a physic...

Method of sampling environmental conditions with a self-contained d...