Issued Patents All Time
Showing 1–12 of 12 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, Michael G. Durrett, Gregory J. Hatton | 1997-04-29 |
| 5483171 | Determination of water cut and gas-fraction in oil/water/gas streams | Gregory J. Hatton, John D. Marrelli | 1996-01-09 |
| 5473256 | Combination microwave waveguide and pressure barrier | Joseph D. Stafford, Gregory J. Hatton | 1995-12-05 |
| 5412326 | Means and method for analyzing a petroleum stream | John D. Marrelli, Michael G. Durrett, Lisa L. Pepin, Gregory J. Hatton | 1995-05-02 |
| 5315117 | Volume meter system | Gregory J. Hatton, Michael G. Durrett | 1994-05-24 |
| 5014010 | Dual frequency microwave water cut monitoring means and method | Michael G. Durrett, Gregory J. Hatton | 1991-05-07 |
| 4977377 | Microwave water cut monitor with temperature controlled test cell | Michael G. Durrett, Gregory J. Hatton, Earl L. Dowty, John D. Marrelli, Joseph D. Stafford +1 more | 1990-12-11 |
| 4947127 | Microwave water cut monitor | Gregory J. Hatton, Michael G. Durrett, Earl L. Dowty, John D. Marrelli | 1990-08-07 |
| 4947128 | Co-variance microwave water cut monitoring means and method | Gregory J. Hatton, Michael G. Durrett, John D. Marrelli, Joseph D. Stafford | 1990-08-07 |
| 4947129 | Petroleum stream microwave watercut monitor | John D. Marrelli | 1990-08-07 |
| 4660414 | Petroleum stream monitoring means and method | Gregory J. Hatton, Thomas M. Williams, Jr. | 1987-04-28 |
| 4499418 | Water cut monitoring means and method | Gregory J. Hatton, Thomas M. Williams, Jr. | 1985-02-12 |