| 6739521 |
Headlight cleaning system operating exclusively by spraying with washing liquid |
Joachim Bandemer, Torsten Hahn |
2004-05-25 |
| 6692144 |
Method for determining the freezing temperature of a liquid, and a device intended therefore |
Sven Petzold |
2004-02-17 |
| 6616425 |
Feed device for a motor vehicle and reservoir for a feed device |
— |
2003-09-09 |
| 6588270 |
Filling level indicator for a washer fluid container |
Sven Petzold, Ralph Uenver |
2003-07-08 |
| 6257500 |
Window and lens glass cleaning system for a motor vehicle |
Sven Petzold |
2001-07-10 |
| 6234410 |
Cleaning device |
Uwe Martin, Rolf-Dieter Schlein, Torsten Hahn |
2001-05-22 |
| 4537731 |
Saddle filling member for gas-liquid contact |
Reinhard Billet, Jerzy Mackowiak, Werner Geipel |
1985-08-27 |
| 4522767 |
Annular filling member for gas-liquid contact |
Reinhard Billet, Jerzy Mackowiak, Werner Geipel |
1985-06-11 |