Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977915 | Demulsifier control system and method | — | 1990-12-18 |
| 4977377 | Microwave water cut monitor with temperature controlled test cell | Michael G. Durrett, David A. Helms, Gregory J. Hatton, Earl L. Dowty, Joseph D. Stafford +1 more | 1990-12-11 |
| 4947128 | Co-variance microwave water cut monitoring means and method | Gregory J. Hatton, David A. Helms, Michael G. Durrett, Joseph D. Stafford | 1990-08-07 |
| 4947127 | Microwave water cut monitor | David A. Helms, Gregory J. Hatton, Michael G. Durrett, Earl L. Dowty | 1990-08-07 |
| 4947129 | Petroleum stream microwave watercut monitor | David A. Helms | 1990-08-07 |
| 4733684 | Means and method for testing the homogeneity of a solution | — | 1988-03-29 |