Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843744 | Snowplow | — | 1989-07-04 |
| 4751212 | Process for the manufacture of a catalyst for the reduction of nitrogen oxides in exhaust gases | Claus Flockenhaus, Erich Hackler, Karl H. Laue, Klaus Merkel, Arnold Max +4 more | 1988-06-14 |
| 4746483 | Process for the manufacture of catalyst molding | Claus Flockenhaus, Karl H. Laue, Klaus Merkel, Erich Hackler, Arnold Max +5 more | 1988-05-24 |
| 4695559 | Catalyst for the selective reduction of nitrogen oxides in waste gases and process for the manufacture of such a catalyst | Dietrich Wagener, Karl H. Laue, Egmar Wunderlich, Theo Sander, Claus Flockenhaus +9 more | 1987-09-22 |
| 4379048 | Float-and-sink separator | — | 1983-04-05 |
| 4373981 | Process for the manufacture of objects from water-hardened material | Joseph J. P. Bomers, David G. Ellis, Jan M. J. M. Bijen | 1983-02-15 |
| 4344804 | Process and apparatus for the manufacture of fiber-reinforced hydraulically bound articles such as cementitious articles | Jan M. J. M. Bijen | 1982-08-17 |