Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7047954 | Method for carrying out an internal exhaust gas recirculation to the combustion chamber of an internal combustion engine | Gabor Hrauda | 2006-05-23 |
| 6925979 | Method of operating a multicylinder internal combustion engine | — | 2005-08-09 |
| 6478009 | Multicylinder internal combustion engine with an engine braking system | Gabor Hrauda, Christian Auer, Robert Roithinger | 2002-11-12 |
| 5205879 | Pneumatic vehicle tire tread having transverse grooves | Hagen Trabandt | 1993-04-27 |
| 4850411 | Vehicle wheel | Heinz-Dieter Rach, Henner Pieper, Udo Frerichs | 1989-07-25 |
| 4623009 | Covering ring for a vehicle wheel | Udo Frerichs, Heinz-Dieter Rach, Siegmund Spendel | 1986-11-18 |
| 4610288 | Apparatus for mounting pneumatic vehicle tires | Heinrich Huinink, Heinz-Dieter Rach, Udo Frerichs | 1986-09-09 |
| 4597426 | Vehicle tire and rim having tire bead rotatable into assembled condition | Gerhard Mauk, Heinrich Huinink, Udo Frerichs, Heinz-Dieter Rach, Dionysius J. Poque | 1986-07-01 |
| 4577668 | Vehicle wheel | Henner Pieper, Udo Frerichs, Heinz-Dieter Rach | 1986-03-25 |
| 4563042 | Covering ring for a vehicle wheel | Udo Frerichs, Heinz-Dieter Rach, Siegmund Spendel | 1986-01-07 |
| 4516617 | Method of mounting a tire | Udo Frerichs, Heinz-Dieter Rach, Siegmund Spendel | 1985-05-14 |
| 4509575 | Pneumatic vehicle tire | Heinrich Funk, Henryk Pakur | 1985-04-09 |
| 4437503 | Tread configuration for pneumatic vehicle tires | Heinz-Dieter Rach, Henner Pieper, Udo Frerichs | 1984-03-20 |
| 4424846 | Tread configuration for pneumatic vehicle tires | Heinz-Dieter Rach, Henner Pieper, Udo Frerichs | 1984-01-10 |
| 4325423 | Pneumatic tires, especially belted tires | Heinrich Huinink | 1982-04-20 |