Thomas E. Ricketts
42Patents
7h-index
11Co-inventors
62Inventor score
Filing activity: Dec 2, 1971 → Jul 6, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4372615A | Method of rubbling oil shale | Fixed Constructions | 29 | Expired |
| US4359246A | In situ oil shale retort with non-uniformly distributed void fraction | Fixed Constructions | 18 | Expired |
| US4440447A | Method for forming an in situ oil shale retort with explosive expansion towards a horizontal free face | Fixed Constructions | 14 | Expired |
| US4533181A | Method for forming uniform flow rubble bed | Fixed Constructions | 13 | Expired |
| US4444433A | Method for forming an in situ oil shale retort in differing grades of oil shale | Fixed Constructions | 11 | Expired |
| US4531783A | Stability control in underground workings adjacent an in situ oil shale retort | Fixed Constructions | 10 | Expired |
| US4513665A | Method for loading explosive charges into blastholes formed in a subterranean formation | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4441759A | In situ oil shale retort system | Fixed Constructions | 7 | Expired |
| USRE29588E | Preparation of d-2-amino-1-butanol salts | General | 7 | Expired |
| US4353598A | Method of blasting pillars with vertical blastholes | Fixed Constructions | 7 | Expired |
| US4360233A | Method of bulking an in situ oil shale retort substantially full of fragmented shale | Fixed Constructions | 6 | Expired |
| US4192554A | Method for explosive expansion toward horizontal free faces for forming an in situ oil shale retort | Fixed Constructions | 6 | Expired |
| US4402550A | Method for forming an in situ oil shale retort with controlled seismic vibration | Fixed Constructions | 5 | Expired |
| US4366987A | Method for forming an in situ oil shale retort with horizontal free faces | Fixed Constructions | 5 | Expired |
| US4262965A | Triangular blasting into limited voids for vertical free face retorts | Fixed Constructions | 4 | Expired |
| US4238136A | Formation of in situ oil shale retort with void at the top | Fixed Constructions | 4 | Expired |
| US4333684A | Method of uniform rubblization for limited void volume blasting | Fixed Constructions | 4 | Expired |
| US4489983A | Blasthole spacing for control of particle size | Fixed Constructions | 4 | Expired |
| US4326752A | Method for forming an in situ oil shale retort | Fixed Constructions | 4 | Expired |
| US4290649A | Method for explosively expanding a pillar for forming an in situ oil shale retort | Fixed Constructions | 3 | Expired |
| US4347789A | Downhole delay assembly for blasting with series delay | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4396231A | Horizontal free face blasting for minimizing channeling and mounding | Fixed Constructions | 2 | Expired |
| US4560205A | Method for control of geometry of fragmented mass in an situ oil shale retort | Fixed Constructions | 2 | Expired |
| US4326751A | Blasting to a horizontal free face with mixing of fragments | Fixed Constructions | 2 | Expired |
| US4560206A | Method for explosively expanding a pillar | Fixed Constructions | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.