Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6083398 | Process for the decoloration and detoxification of aqueous effluents | Michael Pittroff, Ludwich Bettens | 2000-07-04 |
| 5762809 | Process for treating a medium containing organic constituents | Gerhard Luft, Hermann Schwarz, Farsin Yadegardjam, Karl Baur | 1998-06-09 |
| 5034104 | Servicing and emptying apparatus for coke-oven battery | Kurt Asmus | 1991-07-23 |
| 4394217 | Apparatus for servicing coke ovens | Wilhelm Holz, Helmut Lukaszewicz | 1983-07-19 |
| 4384652 | Coke-oven-door-extracting apparatus and method | — | 1983-05-24 |
| 4366004 | Method of internally cleaning coke chamber risers | Kurt Asmus | 1982-12-28 |
| 4359364 | Gas-collecting apparatus for coking installation | Karl Feldhaus | 1982-11-16 |
| 4340987 | Element for cleaning coking-oven doors and doorjamb | Karl Feldhaus | 1982-07-27 |
| 4225393 | Door-removal device | Karl Feldhaus | 1980-09-30 |
| 4189272 | Method of and apparatus for charging coal into a coke oven chamber | Kurt Asmus | 1980-02-19 |