Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10450193 | Alcohol reformer for reforming alcohol to mixture of gas including hydrogen | David A. Morgenstern, Erik D. Sall, Brian Odell Ralph | 2019-10-22 | |
| 5671817 | Drill bit with dual reaming rows | Charles W. Stafford | 1997-09-30 | $20,925,000 |
| 5042581 | Method for improving steam stimulation in heavy oil reservoirs | Alfred R. Jennings, Jr. | 1991-08-27 | $10,356,000 |
| 5036918 | Method for improving sustained solids-free production from heavy oil reservoirs | Alfred R. Jennings, Jr. | 1991-08-06 | $13,423,000 |
| 5036917 | Method for providing solids-free production from heavy oil reservoirs | Alfred R. Jennings, Jr. | 1991-08-06 | $13,423,000 |
| 5005645 | Method for enhancing heavy oil production using hydraulic fracturing | Alfred R. Jennings, Jr. | 1991-04-09 | $16,318,000 |
| 4495840 | Bit breaker | Gary T. Freitag | 1985-01-29 |