Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5347475 | Method for transferring spectral information among spectrometers | James L. Taylor | 1994-09-13 | $31,660,000 |
| 4786368 | Static mixer retorting of oil shale | Earl D. York, John M. Forgac | 1988-11-22 | $9,819,000 |
| 4721560 | Static mixer retorting of oil shale | Earl D. York, John M. Forgac | 1988-01-26 | $10,961,000 |
| 4597852 | Static mixer retorting of oil shale | Earl D. York, John M. Forgac | 1986-07-01 | |
| 4454915 | In situ retorting of oil shale with air, steam, and recycle gas | Earl D. York | 1984-06-19 | $15,691,000 |
| 4447090 | Process for forming an in situ oil shale retort | — | 1984-05-08 |