Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625293 | Determination of the watercut of a multiphase flow directly from measured microwave frequency dielectric properties | John D. Marrelli, Joseph D. Stafford, David A. Helms, Gregory J. Hatton | 1997-04-29 |
| 5563518 | Method of standard dielectric water cut measurement with small gas fraction present | Wayne F. Warren, Raymond C. Hedges, Gregory J. Hatton | 1996-10-08 |
| 5412326 | Means and method for analyzing a petroleum stream | John D. Marrelli, David A. Helms, Lisa L. Pepin, Gregory J. Hatton | 1995-05-02 |
| 5315117 | Volume meter system | Gregory J. Hatton, David A. Helms | 1994-05-24 |
| 5195380 | Petroleum stream analyzing means and method | Gregory J. Hatton, Earl L. Dowty, Gary E. Collier, Clifford L. Redus, Steven Miles Stockman | 1993-03-23 |
| 5076705 | Static mixing system with high turndown ratios to minimize pressure drops | Paul Ellis Brickhouse, Gregory J. Hatton | 1991-12-31 |
| 5048348 | Fluid flow volumetric determination apparatus and method | Earl L. Dowty, Gregory J. Hatton | 1991-09-17 |
| 5014010 | Dual frequency microwave water cut monitoring means and method | David A. Helms, Gregory J. Hatton | 1991-05-07 |
| 4977377 | Microwave water cut monitor with temperature controlled test cell | David A. Helms, Gregory J. Hatton, Earl L. Dowty, John D. Marrelli, Joseph D. Stafford +1 more | 1990-12-11 |
| 4947127 | Microwave water cut monitor | David A. Helms, Gregory J. Hatton, Earl L. Dowty, John D. Marrelli | 1990-08-07 |
| 4947128 | Co-variance microwave water cut monitoring means and method | Gregory J. Hatton, David A. Helms, John D. Marrelli, Joseph D. Stafford | 1990-08-07 |