Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4615482 | Multi-way fluid flow control valve | Wolfgang Sommer | 1986-10-07 |
| 4318070 | Spring biased actuator for a thermal delay valve or switch | Rolf Dohrmann, Ulrich Henke | 1982-03-02 |
| 4246880 | Arrangement for heating the intake pipe of a spark-ignited internal combustion engine | Ulrich Henke, Hermann Baumler | 1981-01-27 |