Shell Mining Company
4Patents
0Active
4Granted
26Portfolio score
Filing activity: Apr 8, 1985 → Feb 12, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4793656A | In-situ coal drying | Fixed Constructions | 140 | Expired |
| US4612800A | Slurry viscometer | Physics | 15 | Expired |
| US4750913A | Cooling of dried coal | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4764221A | Silo cleaning process | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.