Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9035612 | Method for transferring energy between at least two energy storage cells in a controllable energy store | Peter Feuerstack, Erik Weissenborn | 2015-05-19 |
| 8990464 | Methods for discovery, configuration, and coordinating data communications between master and slave devices in a communication system | — | 2015-03-24 |
| 6963183 | Control circuit for a direct current motor | Karl-Heinrich Preis | 2005-11-08 |
| 6888327 | System for protecting a power semiconductor output stage that switches an inductive load | Stefan Koch | 2005-05-03 |
| 6859000 | Device for position determination in sensorless motors | Ulrich Frank | 2005-02-22 |
| 6838841 | Method for controlling an electronically commutated DC motor | — | 2005-01-04 |
| 6323611 | Circuit for operating an electric motor | — | 2001-11-27 |
| 6242938 | Electrical circuit to detect load current | — | 2001-06-05 |
| 6127820 | Process and circuit arrangement for determining the speed of a D.C. motor without a speedsensor | Karl-Heinrich Preis | 2000-10-03 |
| 5959817 | Control device for operating a wiper motor | Peter Buerk | 1999-09-28 |
| 5877604 | Circuit for operating an electric motor | — | 1999-03-02 |
| 5317100 | Process for the preparation of optically active acyloxyazetidinones | Jaroslav Kalvoda, Rene Lattmann, Gerardo Ramos | 1994-05-31 |