David A. Helms

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Air travel information and computer data compilation, retrieval and...
- Patent number 6,754,581
- Issue date Jun 22, 2004
- AR Group, Inc.
- Scott Blachowicz
- G08 - SIGNALLING
Information Patent Grant
Air travel information and computer data compilation, retrieval and...
- Patent number 6,353,794
- Issue date Mar 5, 2002
- AR Group, Inc.
- Barry Davis
- G08 - SIGNALLING
Information Patent Grant
Determination of the watercut of a multiphase flow directly from me...
- Patent number 5,625,293
- Issue date Apr 29, 1997
- John D. Marrelli
- G01 - MEASURING TESTING
Information Patent Grant
Determination of water cut and gas-fraction in oil/water/gas streams
- Patent number 5,483,171
- Issue date Jan 9, 1996
- Texaco Inc.
- Gregory J. Hatton
- G01 - MEASURING TESTING
Information Patent Grant
Combination microwave waveguide and pressure barrier
- Patent number 5,473,256
- Issue date Dec 5, 1995
- Texaco Inc.
- Joseph D. Stafford
- G01 - MEASURING TESTING
Information Patent Grant
Means and method for analyzing a petroleum stream
- Patent number 5,412,326
- Issue date May 2, 1995
- Texaco Inc.
- John D. Marrelli
- G01 - MEASURING TESTING
Information Patent Grant
Volume meter system
- Patent number 5,315,117
- Issue date May 24, 1994
- Texaco Inc.
- Gregory J. Hatton
- G01 - MEASURING TESTING
Information Patent Grant
Dual frequency microwave water cut monitoring means and method
- Patent number 5,014,010
- Issue date May 7, 1991
- Texaco Inc.
- David A. Helms
- E21 - EARTH DRILLING MINING
Information Patent Grant
Microwave water cut monitor with temperature controlled test cell
- Patent number 4,977,377
- Issue date Dec 11, 1990
- Texaco Inc.
- Michael G. Durrett
- G01 - MEASURING TESTING
Information Patent Grant
Co-variance microwave water cut monitoring means and method
- Patent number 4,947,128
- Issue date Aug 7, 1990
- Texaco IJN Inc
- Gregory J. Hatton
- G01 - MEASURING TESTING
Information Patent Grant
Petroleum stream microwave watercut monitor
- Patent number 4,947,129
- Issue date Aug 7, 1990
- Texaco Inc.
- David A. Helms
- G01 - MEASURING TESTING
Information Patent Grant
Microwave water cut monitor
- Patent number 4,947,127
- Issue date Aug 7, 1990
- Texaco Inc.
- David A. Helms
- G01 - MEASURING TESTING
Information Patent Grant
Petroleum stream monitoring means and method
- Patent number 4,660,414
- Issue date Apr 28, 1987
- Texaco Inc.
- Gregory J. Hatton
- G01 - MEASURING TESTING
Information Patent Grant
Water cut monitoring means and method
- Patent number 4,499,418
- Issue date Feb 12, 1985
- Texaco Inc.
- David A. Helms
- G01 - MEASURING TESTING

David A. Helms

Person

Patents Grantslast 30 patents

Air travel information and computer data compilation, retrieval and...

Air travel information and computer data compilation, retrieval and...

Determination of the watercut of a multiphase flow directly from me...

Determination of water cut and gas-fraction in oil/water/gas streams

Combination microwave waveguide and pressure barrier

Means and method for analyzing a petroleum stream

Volume meter system

Dual frequency microwave water cut monitoring means and method

Microwave water cut monitor with temperature controlled test cell

Co-variance microwave water cut monitoring means and method

Petroleum stream microwave watercut monitor

Microwave water cut monitor

Petroleum stream monitoring means and method

Water cut monitoring means and method