Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7743637 | Rolling tool with integrated drawing stage | Dietmar Schlayer, Frank Beig, Norbert Ziesel | 2010-06-29 |
| 7540179 | Method for producing longitudinal grooves in cylindrical workpieces | Dietmar Schlayer, Gerhard Manz | 2009-06-02 |
| 5062759 | Safety circuit arrangement for lifting/tilting or tilting devices | — | 1991-11-05 |
| 4886411 | Protective means for a lifting/tilting or tilting device | Karl-Heinz Droge | 1989-12-12 |
| 4824315 | Equipment for emptying containers statement as to rights to inventions made under federally-sponsored research and development | Jakob Naab, Karl-Heinz Droge | 1989-04-25 |