Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739680 | Apparatus for securing screw bolts against rotation | Helmut Henschenmacher | 1988-04-26 |
| 4655362 | Manipulator for cover closure members | Helmut Henschenmacher | 1987-04-07 |
| 4565111 | Device for rotating and axially moving a bolt | Erhard Hoffmann | 1986-01-21 |
| 4516477 | Closure for openings in pumps | Edwin C. Lewis, II, Helmut Henschenmacher, Hartmut Giernalczyk, Siegfried Rutte | 1985-05-14 |
| 4321815 | Apparatus for interchangeable mounting of rollers, particularly in a straightening machine | Karl-Heinz Wahl | 1982-03-30 |
| 4307596 | Roller block, in particular for a roller straightening machine | Karl-Heinz Wahl | 1981-12-29 |