Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5960660 | One-piece hollow camshafts and process for producing same | Friedrich Klaas | 1999-10-05 |
| 5850695 | One-piece hollow camshafts and process for producing same | Friedrich Klaas | 1998-12-22 |
| 5802899 | Method for internal high-pressure deforming of hollow offset shafts made of cold-deformable metal | Friedrich Klaas, Georg Weber | 1998-09-08 |
| 5794398 | Framework with hollow members process for producing the same and its use | Klaus Kaehler, Friedrich Klaas | 1998-08-18 |
| 5259268 | Hollowshaft and method for the production thereof | Alfred Ebbinghaus | 1993-11-09 |
| 4782679 | Process for the production of flanges or collars on hollow parts by lateral extrusion | — | 1988-11-08 |