Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7444962 | Coolant circuit for a coolant-cooled internal combustion engine | Hartmut Engels, Erhard Rau, Jochen Weeber, Frank Weinert | 2008-11-04 |
| 6843210 | Thermostatic valve and method for controlling a coolant circuit | Hartmut Engels, Erhard Rau, Jochen Weeber, Frank Weinert | 2005-01-18 |