Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859656 | Method of detaching micro-flora and compositions therefor | Staffan Kjelleberg | 1989-08-22 |
| 4581227 | Control of microflora | Staffan Kjelleberg | 1986-04-08 |
| 4481293 | Method for the production of methane | Ove Lyck Thomsen | 1984-11-06 |
| 4416332 | Method for increasing the pressure in oil-bearing geological structures | Lars I. Wiberger, Per F. Tengblad, Bert G. H. Hellman | 1983-11-22 |
| 4356269 | Plant for the production of methane | Ove Lyck Thomsen | 1982-10-26 |
| 4300632 | Method for increasing the pressure in oil-bearing geological structures | Lars I. Wiberger, Per F. Tengblad, Bert G. H. Hellman | 1981-11-17 |