Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6371815 | Adapter plug for rechargeable electric appliances | Matthias Wetzel | 2002-04-16 |
| 6190184 | Connector for electric appliances | Thomas Schamberg, Helmut Durr | 2001-02-20 |
| 6072399 | Method of determining the quantity of the material cut by an electrically powered cutting tool and circuit arrangement for implementing this method | Gunther Bergk | 2000-06-06 |
| 5973497 | Method of determining and displaying battery charge status | Gunther Bergk | 1999-10-26 |
| 5793188 | Method of conditioning accumulators fixedly mounted in an apparatus and a device therefor | Manfred Kaiser | 1998-08-11 |
| 5256953 | Electrical appliance with battery charging capability and connection means | Horst Schinke, Robert Jung | 1993-10-26 |
| 4848171 | Rocker arm drive for electrical appliances | Wilfridus Steijger, Michael Odemer, Otto Schweingruber | 1989-07-18 |