Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7419553 | Fuel injection valve for internal combustion engines and a method for hardening the said valve | Alfred Hoch, Franz J. Wolf | 2008-09-02 |
| 5769965 | Method for treating at least one part of soft magnetic material to form a hard wear area | Juergen Graner, Norbert Keim, Joerg Illing | 1998-06-23 |
| 4801095 | Fuel injection nozzle for internal combustion engines | Werner Banzhaf, Ewald Eblen, Heinrich Faber, Rolf J. Giersch, Karl Hofmann +1 more | 1989-01-31 |