Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942068 | Curtain coating process | Wolfgang Schweicher, Hans Frenken, Heinrich Bussmann, Johannes Sobel | 1990-07-17 |
| 4572849 | Process for the multiple coating of moving webs | Gunther Koepke, Hans Frenken, Heinrich Bussmann | 1986-02-25 |
| 4569863 | Process for the multiple coating of moving objects or webs | Gunther Koepke, Hans Frenken, Heinrich Bussmann | 1986-02-11 |
| 4479987 | Process and an apparatus for stabilizing free-falling liquid curtains | G/u/ nther Koepke, Hans Frenken, Heinrich Bussmann | 1984-10-30 |
| 4384015 | Process and an apparatus for simultaneously coating several layers to moving objects, particularly webs | Gunther Koepke, Hans Frenken, Heinrich Bussmann | 1983-05-17 |