Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8574350 | Water separation systems and methods | Vasudevan Sampath, Ivan Mantilla, Carlos Avila, Gene Edward Kouba, John Strader | 2013-11-05 |
| 8568515 | Water separation systems and methods | Ivan Mantilla, Carlos Avila, Gene Edward Kouba, John Strader, Vasudevan Sampath | 2013-10-29 |
| 6343516 | Multiphase flow sampling using an autotraversing sample probe | — | 2002-02-05 |
| 6316614 | Genetic control of acetylation and pyruvylation of xanthan based polysaccharide polymers | Daniel H. Doherty, Donna M. Ferber, Rebecca W. Vanderslice, Randal A. Hassler | 2001-11-13 |
| 6128962 | Three-phase fluid flow measurement system and method | Frank M. Rexach | 2000-10-10 |
| 5763794 | Methods for optimizing sampling of a petroleum pipeline | — | 1998-06-09 |
| 5673026 | Stopped flow detection using statistical methods | Farhan Siddiqui | 1997-09-30 |
| 5644244 | Method for analyzing a petroleum stream | Dale F. Brost, Farhan Siddioui, Lisa L. Pepin, Joseph D. Stafford | 1997-07-01 |
| 5625293 | Determination of the watercut of a multiphase flow directly from measured microwave frequency dielectric properties | Joseph D. Stafford, David A. Helms, Michael G. Durrett, Gregory J. Hatton | 1997-04-29 |
| 5597961 | Two and three phase flow metering with a water cut monitor and an orifice plate | — | 1997-01-28 |
| 5576974 | Method and apparatus for determining watercut fraction and gas fraction in three phase mixtures of oil, water and gas | Farhan Siddiqui | 1996-11-19 |
| 5546007 | Microwave water cut monitoring means and method | — | 1996-08-13 |
| 5514791 | Genetic control of acetylation and pyruvylation of xanthan based polysaccharide polymers | Daniel H. Doherty, Donna M. Ferber, Rebecca W. Vanderslice, Randal A. Hassler | 1996-05-07 |
| 5483171 | Determination of water cut and gas-fraction in oil/water/gas streams | Gregory J. Hatton, David A. Helms | 1996-01-09 |
| 5412326 | Means and method for analyzing a petroleum stream | Michael G. Durrett, David A. Helms, Lisa L. Pepin, Gregory J. Hatton | 1995-05-02 |
| 5386719 | Debris reducing test cell for three phase meters | Joseph D. Stafford | 1995-02-07 |
| 5383353 | Means and method for analyzing a petroleum stream | Dale F. Brost, Farhan Siddiqui, Lisa L. Pepin, Joseph D. Stafford | 1995-01-24 |
| 5373244 | Means and method for analyzing a petroleum stream | — | 1994-12-13 |
| 5286375 | Oil recoery apparatus | — | 1994-02-15 |
| 5234012 | Petroleum stream control system and method | — | 1993-08-10 |
| 5165450 | Means for separating a fluid stream into two separate streams | — | 1992-11-24 |
| 5140271 | Watercut means and method with debris reducing test cell | — | 1992-08-18 |
| 5107219 | Means and method for determining the conductance of a fluid | Lisa L. Pepin, Gregory J. Hatton, Farhan Siddiqui, Joseph D. Stafford | 1992-04-21 |
| 5101164 | Petroleum stream monitoring system and method with sample verification | — | 1992-03-31 |
| 5001434 | Variable mode microwave water cut monitor and method | David J. Stavish | 1991-03-19 |