Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10569321 | Device and method for flow-forming workpieces | — | 2020-02-25 |
| 10124388 | Device and method to shape worked pieces | — | 2018-11-13 |
| 9662695 | Method and device for roll-forming workpieces | — | 2017-05-30 |
| 8984921 | Device and process for producing or processing workpieces from a preform, in particular for integrally forming internal profiles or internal tooth systems | — | 2015-03-24 |
| 8161788 | Method for producing workpieces | — | 2012-04-24 |
| 6205832 | Flow-forming method and apparatus | — | 2001-03-27 |
| 5809649 | Method for the manufacture of a machine part having external toothing | — | 1998-09-22 |
| 5676007 | Flow-forming-machine | — | 1997-10-14 |
| 5220817 | Spinning machine with at least one roller holder | Helmut Wenzel | 1993-06-22 |
| 5212866 | Method for the manufacturing of a deep-bed wheel rim | Helmut Wenzel | 1993-05-25 |
| 5107579 | Process of forming a folded seam connection between two cup-shaped workpieces | — | 1992-04-28 |
| 4355673 | Cutter for wood chippers | — | 1982-10-26 |
| 4194545 | Cutter block arrangement for wood chipping machines | — | 1980-03-25 |