Jack C. Penn

Person

Tulsa, 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
Security apparatus and method for computers connected to telephone...
- Patent number 4,905,281
- Issue date Feb 27, 1990
- Halliburton Company
- Jim B. Surjaatmadja
- G06 - COMPUTING CALCULATING COUNTING
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
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 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
Digital pressure controller
- Patent number 4,575,313
- Issue date Mar 11, 1986
- Halliburton Company
- Prabhakar P. Rao
- G05 - CONTROLLING REGULATING
Information Patent Grant
Optical reader
- Patent number 4,551,766
- Issue date Nov 5, 1985
- Halliburton Company
- John E. Mosier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data conversion, communication and analysis system
- Patent number 4,531,189
- Issue date Jul 23, 1985
- Halliburton Company
- John E. Mosier
- E21 - EARTH DRILLING MINING

Jack C. Penn

Person

Patents Grantslast 30 patents

Self-contained downhole gauge system

Self-containing downhole gauge system

Security apparatus and method for computers connected to telephone...

Self-contained downhole gauge system

Power-conserving self-contained downhole gauge system

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

Digital pressure controller

Optical reader

Data conversion, communication and analysis system