Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6011346 | Apparatus and method for generating electricity from energy in a flowing stream of fluid | Charles Butterfield | 2000-01-04 |
| 5783822 | Traceable well cement compositions and methods | Jiten Chatterji, James F. Heathman | 1998-07-21 |
| 5475727 | Intelligent automatic gain stabilization for radiation detection instrument | Gilbert H. Forehand, Timothy D. Rice | 1995-12-12 |
| 5252832 | Method of using thermal neutrons to evaluate gravel pack slurry | Philip D. Nguyen, Jimmie D. Weaver | 1993-10-12 |
| 5204527 | Neutron particle energy detector | — | 1993-04-20 |
| 5083029 | Measuring water content by neutron thermalization | — | 1992-01-21 |
| 4805407 | Thermomechanical electrical generator/power supply for a downhole tool | — | 1989-02-21 |