Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4951464 | Carbon black filter means for a Diesel engine | Elmar Goller | 1990-08-28 |
| 4698014 | Method and apparatus for the low-wear atomization of liquid highly viscous and/or suspended fuel intended for combustion or gasification in burner flames | Klaus Grethe, Elmar Goller, Ralf Hulsen | 1987-10-06 |
| 4640054 | Sashes and matching frames for windows and glass doors | Kurt Breimeier, Hans Erdmann, Hans D. Kuhnel | 1987-02-03 |