Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508041 | Process for the combustion of coke present on solid particles and for the production of recoverable heat from hydrocarbon-bearing solid particles and apparatus therefor | Heinz Voetter, Richard C. Darton, Rajamani Krishna | 1985-04-02 |
| 4439306 | Process for the extraction of hydrocarbons from a hydrocarbon-bearing substrate and an apparatus therefor | Heinz Voetter, Richard C. Darton, Rajamani Krishna | 1984-03-27 |
| 4419215 | Method of pre-heating particles of a hydrocarbon-bearing substrate and an apparatus therefor | Heinz Voetter, Richard C. Darton, Rajamani Krishna | 1983-12-06 |