Issued Patents 1982
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360233 | Method of bulking an in situ oil shale retort substantially full of fragmented shale | — | 1982-11-23 |
| 4359246 | In situ oil shale retort with non-uniformly distributed void fraction | — | 1982-11-16 |
| 4353598 | Method of blasting pillars with vertical blastholes | — | 1982-10-12 |
| 4347789 | Downhole delay assembly for blasting with series delay | — | 1982-09-07 |
| 4336966 | Cratering in the deep cratering region to form an in situ oil shale retort | — | 1982-06-29 |
| 4333684 | Method of uniform rubblization for limited void volume blasting | Bruce B. Redpath | 1982-06-08 |
| 4326751 | Blasting to a horizontal free face with mixing of fragments | — | 1982-04-27 |
| 4326752 | Method for forming an in situ oil shale retort | — | 1982-04-27 |