Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9129738 | Oil-filled transformer switching frame | Hartmut Brendel, Marikka Hübner, Ralf Büchner, Klaus Herkert, Isidoro Li Pira | 2015-09-08 |
| 8653367 | Spherical cap for high-voltage outgoing lines in oil transformers | Hartmut Brendel, Raif Büchner, Jelena Braatz, Klaus Herkert | 2014-02-18 |
| 8618427 | Spherical cap for high-voltage outgoing lines in oil transformers | Hartmut Brendel, Ralf Büchner, Jelena Braatz, Klaus Herkert | 2013-12-31 |
| 8471662 | Oil transformer insulation module | Hartmut Brendel | 2013-06-25 |
| 8444796 | Mold for producing hollow-cylinder-like molded parts | — | 2013-05-21 |