Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5780850 | API estimate using multiple fluorescence measurements | Kerry K. Spilker, Alan C. Wright | 1998-07-14 |
| 5686724 | Method for determining oil content of an underground formation using wet cuttings | Kerry K. Spilker, Howard L. McKinzie | 1997-11-11 |
| 5447052 | Microwave hydrocarbon gas extraction system | Scott A. Hanson, Howard L. McKinzie, Alan C. Wright | 1995-09-05 |
| 5199509 | Controlled gas trap system | Alan C. Wright, Scott A. Hanson, Howard L. McKinzie, Hossein Aghazeynali | 1993-04-06 |