Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9445553 | Positioning system | — | 2016-09-20 |
| 4685522 | Well production controller system | Glenn A. Dixon, Clark E. McCloskey, David L. Chambers, Woodrow D. Hawk | 1987-08-11 |
| 4636934 | Well valve control system | Kenneth L. Schwendemann, Cary Gorten Mondon, Larry C. Wortham | 1987-01-13 |
| 4633954 | Well production controller system | Glen A. Dixon, Clark E. McCloskey, David L. Chambers, Woodrow D. Hawk | 1987-01-06 |
| 4568933 | Electronic well tools and multi-channel recorder | Donald F. Taylor, Carlos E. Montgomery, Larry C. Wortham | 1986-02-04 |
| 4417470 | Electronic temperature sensor | James H. Bostock | 1983-11-29 |
| RE31222 | Microprocessor computerized pressure/temperature/time .[.down-hole.]. recorder | — | 1983-04-26 |
| 4355365 | Electronic intermitter | Larry C. Wortham, Robert Scott Higgins | 1982-10-19 |