Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7828918 | Method for thermomechanical treatment of steel | Hans Dziemballa, Lutz Manke, Alexander Borowikow, Reinhard Uhrich, Matthias Hüttner | 2010-11-09 |
| 5868996 | Device for manufacturing curved helical springs | Heinz Krober | 1999-02-09 |
| 5591066 | Arrangement for ball shot peening helical compression springs | — | 1997-01-07 |
| 5534088 | Method of optimizing the distribution of inherent stress in springs | — | 1996-07-09 |
| 5442945 | Method of and device for manufacturing curved helical springs | — | 1995-08-22 |