Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632469 | Electric hoist with speed control, a protective housing and a swivelable circuit board in the housing | Jurgen Heun, Holger Freitag, Anton Muller | 1997-05-27 |
| 5631510 | Electric drive with brakes, in particular for hoists, lifting devices or positioning transporting systems | Heinz Flaig, Josef Saeftel, Harald Bitsch, Herbert Dreher, Axel Hauschild +4 more | 1997-05-20 |
| 5631530 | Key element for the control of electromotors, especially for cranes and other hoisting equipment | Kurt Hoppe, Markus H. Schmalstieg, Bernhard Stanski | 1997-05-20 |