Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221299 | Structuring process that stiffens and protects the surface of thin material webs | Olaf Buttner, Frank Matschiner | 2001-04-24 |
| 6217811 | Process and apparatus for vault-structuring of thin material sheets | Olaf Buttner, Jochen Ellert | 2001-04-17 |
| 5887470 | Method and apparatus for dent profiling | — | 1999-03-30 |
| 4696735 | Method and apparatus for multiphase coal hydrogenation reactors with exothermal heat of reaction having gas cooling in sump-phase reactors | Eckard Wolowski, Herbert Dybus | 1987-09-29 |
| 4636300 | Integrated gas-phase hydrogenation process using heat recovered from sump-phase hydrogenation for temperature regulation | Eckard Wolowski | 1987-01-13 |
| 4602992 | Coal hydrogenation process with integrated refining stage | Josef Langhoff, Eckard Wolowski | 1986-07-29 |
| 4555325 | Method for interconnecting thermally and pressure-stressed multi-phase reactors | Eckard Wolowski | 1985-11-26 |