Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271270 | Fuel injection nozzle for internal combustion engines | Ulli Lessing, Karl Hofmann, Kurt Seifert | 1993-12-21 |
| 5161742 | Fuel injection nozzle for internal combustion engines | Karl Hofmann, Roland Zucker, Bernhard Kaczynski, Ursula Schoedel, Ulrich Lessing | 1992-11-10 |
| 4858432 | Pilot burner for an apparatus for burning off solid particles in the exhaust gas of internal combustion engines | Ulrich Projahn | 1989-08-22 |
| 4858433 | Pilot burner for an apparatus for burning off solid particles in the exhaust gas of internal combustion engines | Rolf Leonhard, Ulrich Projahn, Wolfgang Stolper | 1989-08-22 |