Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385062 | Direct current-supplying circuit for inductances | — | 2002-05-07 |
| 5635806 | Method and apparatus for temperature monitoring of universal or AC/DC motors | Walter Wissmach | 1997-06-03 |
| 5399959 | Circuit arrangement for contactless switchover of operation parameters of an electrically driven tool | Egon Konigbauer | 1995-03-21 |
| 5296314 | Contact terminal arrangement in a storage battery | Manfred Spieth | 1994-03-22 |
| 5296768 | Revolutions per minute regulation device for a hand-held electric tool and method of its manufacture | Helmut Burger | 1994-03-22 |
| 5097184 | Battery operated device | Karl Echtler, Hanno Richter | 1992-03-17 |
| 4885511 | Drive control with overload protection for a drill device | Gottfried Benz, Heinrich Pauli, Franz Hoyss | 1989-12-05 |
| 4823054 | Circuit for phase section control of an AC-DC motor | — | 1989-04-18 |
| 4820962 | Arrangement for automatic working data set-up for driving implements | — | 1989-04-11 |
| 4681489 | Process of forming openings | Dieter Raab | 1987-07-21 |