Ricketts; Thomas E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ricketts; Thomas E..The latest application filed is for "method for control of geometry of fragmented mass in an situ oil shale retort".
- Ricketts; Thomas E. - Grand Junction CO
- Ricketts; Thomas E. - Bakersfield CA
| Patent | Date |
|---|---|
| Method for control of geometry of fragmented mass in an situ oil shale retort Grant 4,560,205 - Ricketts December 24, 1 | 1985-12-24 |
| Method for loading explosive charges into blastholes formed in a subterranean formation Grant 4,513,665 - Ricketts , et al. April 30, 1 | 1985-04-30 |
| Method for controlling void in an in situ oil shale retort Grant 4,440,444 - Ricketts April 3, 1 | 1984-04-03 |
| Horizontal free face blasting for minimizing channeling and mounding Grant 4,396,231 - Ricketts August 2, 1 | 1983-08-02 |
| Method of rubbling oil shale Grant 4,372,615 - Ricketts February 8, 1 | 1983-02-08 |
| Method of blasting pillars with vertical blastholes Grant 4,353,598 - Ricketts October 12, 1 | 1982-10-12 |
| Downhole delay assembly for blasting with series delay Grant 4,347,789 - Ricketts September 7, 1 | 1982-09-07 |
| Method for forming an in situ oil shale retort Grant 4,326,752 - Ricketts April 27, 1 | 1982-04-27 |
| Formation of in situ oil shale retort with void at the top Grant 4,238,136 - Ricketts December 9, 1 | 1980-12-09 |
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