Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5388814 | Device for hydraulic expansion | Helmut Riemscheid, Herbert Frielingsdorf, Heribert Grewe, Karl Weiss, Rudolf Schulze +2 more | 1995-02-14 |
| 5101554 | Process for producing an assembled camshaft as well as assembled camshaft consisting of a shaft tube and slid-on elements | Hans-Jurgen Breuer, Wolfgang Maus, Rudolf Schulze, Helmut Swars, Hans Hanswillemenke +5 more | 1992-04-07 |
| 5054182 | Assembly device for assembling camshafts | Helmut Riemscheid, Karl Weiss, Herbert Frielingsdorf, Heribert Grewe | 1991-10-08 |
| 5054756 | Device for hydraulic expansion | Helmut Riemscheid, Herbert Frielingsdorf, Heribert Grewe, Karl Weiss, Rudolf Schulze +2 more | 1991-10-08 |
| 4841679 | Method and apparatus for manufacturing cam elements | Helmut Riemscheid | 1989-06-27 |