Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000882 | Apparatus for the preparation of a free-flowing mixture of free-flowing components which reacts to form foam | Ferdinand Proksa, Ferdinand Althausen, Reiner Raffel, Hans-Michael Sulzbach | 1991-03-19 |
| 4764536 | Process and apparatus for the preparation of a free-flowing mixture made of free-flowing components which reacts to form foam | Ferdinand Proksa, Ferdinand Althausen, Reiner Raffel, Hans-Michael Sulzbach | 1988-08-16 |
| 4260355 | Device for the discontinuous production of block foam | Lothar Rohrig, Horst Klahre | 1981-04-07 |