Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8752654 | Drill bits with bearing elements for reducing exposure of cutters | — | 2014-06-17 |
| 8448726 | Drill bits with bearing elements for reducing exposure of cutters | — | 2013-05-28 |
| 8230952 | Sleeve structures for earth-boring tools, tools including sleeve structures and methods of forming such tools | Thorsten Schwefe, Henning Finke | 2012-07-31 |
| 8141665 | Drill bits with bearing elements for reducing exposure of cutters | — | 2012-03-27 |
| 7594554 | Cutting element insert for backup cutters in rotary drill bits, rotary drill bits so equipped, and methods of manufacture therefor | Thorsten Schwefe | 2009-09-29 |
| 6525507 | Solar system for a motor vehicle | — | 2003-02-25 |
| 6517148 | Solar cover for a motor vehicle roof and a process for its manufacture | Helmut Teschner, Reinhard Wecker, Werner Patz | 2003-02-11 |
| 6485090 | Motor vehicle roof with adjustable closure element | Werner Patz, Helmut Teschner, Reinhard Wecker | 2002-11-26 |
| 6476315 | Solar system for a motor vehicle | — | 2002-11-05 |
| 6439658 | Ventilation device for the seat of a motor vehicle | Hans-Georg Rauh, Stefan Stöwe | 2002-08-27 |
| 6423894 | Motor vehicle roof with outside solar generator | Werner Patz, Helmut Teschner, Reinhard Wecker | 2002-07-23 |
| 6337436 | Solar module for attachment to motor vehicles and a process for its manufacture | — | 2002-01-08 |
| 6331031 | Solar motor vehicle roof | Werner Patz, Helmut Teschner, Reinhard Wecker | 2001-12-18 |
| 6290593 | Circuit for power supply of a ventilation fan and a battery by means of solar cells in a motor vehicle | Alfons Weissbrich | 2001-09-18 |
| 6283543 | Motor vehicle roof | Ferdinand Hahn, Thomas Kraus, Horst-Martin Schulz | 2001-09-04 |
| 6252382 | Method and arrangement for supplying power to a motor vehicle electrical system | Josef Appel | 2001-06-26 |
| 5545261 | Solar roof for motor vehicles | Berthold Lutz, Bernhard Liedl, Alfons Weissbrich | 1996-08-13 |
| 5479557 | Circuit arrangement for power supply of a fan and/or battery by solar generator in a motor vehicle | Robert Watzlewick | 1995-12-26 |