Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9666329 | Oil-oil bushing and oil transformer | Ulrich Huhn | 2017-05-30 |
| 9129738 | Oil-filled transformer switching frame | Hartmut Brendel, Matthias Starke, Marikka Hübner, Ralf Büchner, Klaus Herkert | 2015-09-08 |