Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942068 | Curtain coating process | Wolfgang Schweicher, Heinrich Bussmann, Kurt Browatzki, Johannes Sobel | 1990-07-17 |
| 4673782 | Process and apparatus for microwave melting solidified gel masses, in particular of photographic emulsions | Gunther Koepke, Josef Friedsam | 1987-06-16 |
| 4572849 | Process for the multiple coating of moving webs | Gunther Koepke, Heinrich Bussmann, Kurt Browatzki | 1986-02-25 |
| 4569863 | Process for the multiple coating of moving objects or webs | Gunther Koepke, Heinrich Bussmann, Kurt Browatzki | 1986-02-11 |
| 4479987 | Process and an apparatus for stabilizing free-falling liquid curtains | G/u/ nther Koepke, Heinrich Bussmann, Kurt Browatzki | 1984-10-30 |
| 4427645 | Process for the preparation of solutions from environmentally noxious substances | Josef Friedsam, Karl D. Voss | 1984-01-24 |
| 4426757 | Web guide roller for use at high speeds and process for producing the same | Roland Hourticolon, Gerhard Roth, Helmut Schaffer, Gunther Koepke | 1984-01-24 |
| 4384015 | Process and an apparatus for simultaneously coating several layers to moving objects, particularly webs | Gunther Koepke, Heinrich Bussmann, Kurt Browatzki | 1983-05-17 |
| 4341642 | Process and an apparatus for continuously filtering liquids | Gunther Koepke, Josef Friedsam | 1982-07-27 |
| 4334884 | Process for the continuous preparation of photographic emulsions | Werner Wilke, Hans Gref | 1982-06-15 |
| 4241023 | Apparatus for the continuous preparation of photographic emulsions | Werner Wilke, Hans Gref | 1980-12-23 |