Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427529 | Instrument for surveying the depth and volume of oil and brine in a static fluid column of an oil well | — | 2002-08-06 |
| 6161621 | Scrubber for an oil-only recovery apparatus | Wayne A. Blad | 2000-12-19 |
| 5232051 | Oil recovery apparatus | — | 1993-08-03 |
| 4288408 | Apparatus for the diacritic cracking of hydrocarbon feeds for the selective production of ethylene and synthesis gas | Eugene D. Guth, John K. Arand | 1981-09-08 |