Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11994070 | Systems and methods for processing carbonaceous feedstock | Robert G. Kelly | 2024-05-28 |
| 11473504 | Systems and methods for processing carbonaceous feedstock | Robert G. Kelly | 2022-10-18 |
| 11002192 | Systems and methods for processing carbonaceous feedstock | Robert G. Kelly | 2021-05-11 |
| 4465556 | Pyrolysis system with hot gas recirculation | Kenneth R. Purdy | 1984-08-14 |
| 4419185 | Pyrolysis system with hot gas recirculation | Kenneth R. Purdy | 1983-12-06 |
| 4373995 | Pyrolysis system utilizing pyrolytic oil recycle | Kenneth R. Purdy | 1983-02-15 |
| 4317703 | Pyrolysis process utilizing pyrolytic oil recycle | Kenneth R. Purdy | 1982-03-02 |
| 4230602 | Process for producing highly activated carbonaceous products | Kenneth R. Purdy | 1980-10-28 |