Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9281728 | Electric machine having efficient internal cooling | Klaus Büttner, Klaus Kirchner | 2016-03-08 |
| 9257883 | Electric machine with rotor interior ventilation | Klaus Büttner, Klaus Kirchner | 2016-02-09 |