Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372117 | Method and arrangement for venting a tank | Helmut Denz, Andreas Blumenstock | 1994-12-13 |
| 5298865 | Connecting circuit for connecting a lambda probe to a control apparatus of an internal combustion engine and test method for said circuit | Helmut Denz, Werner Mezger, Johannes-Dieter Wichterich, Joachim Heimes, Eugen Joos +2 more | 1994-03-29 |
| 5293852 | Method and arrangement for the open-loop and/or close-loop control of an operating variable of an internal combustion engine | Vera Lehner, Helmut Janetzke, Klemens Grieser | 1994-03-15 |