Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379415 | Test system and main device and additional device thereof for testing an electric device | Klaus Studer, Michael Rädler, Boris Unterer, Wernich De Villiers, Matthias Kukuk +3 more | 2025-08-05 |
| 12327676 | High voltage transformer, method for producing a high voltage transformer and test system and test signal device comprising a high voltage transformer | Martin Anglhuber, Lukas Bitschnau | 2025-06-10 |
| 10955490 | Transformer test device and method for testing a transformer | Boris Unterer, Markus Pütter | 2021-03-23 |
| 10746813 | Test device and method for operating a test device | Dirk Flax | 2020-08-18 |
| 9547044 | Method and apparatus for the measurement of a resistance of a switching contact of an electrical circuit breaker | Ulrich Klapper, Wernich De Villiers | 2017-01-17 |
| 9153956 | Test device for power engineering equipment and method for manufacturing a test device for power engineering equipment | Dirk Flax, Horst Schedler | 2015-10-06 |
| 6608493 | Portable testing device | Thomas Hensler, Ulrich Klapper, Michael Kruger, Zeljko Schreiner | 2003-08-19 |
| 5314715 | Coating process | Nanning Joerg Arfsten, Hermann Piehlke | 1994-05-24 |
| 4849252 | Dipping process for the production of transparent, electrically conductive, augmented indium oxide layers | Nanning Joerg Arfsten, Doris Schubert | 1989-07-18 |
| 4568578 | Process for the producing of indium oxide-tin oxide layers and the resultant coated substrates | Nanning Joerg Arfsten, Helmut Dislich | 1986-02-04 |