Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10242811 | Motor drive with disengageable coupling | Johann Jobst, Michael Goss | 2019-03-26 |
| 10147563 | On-load tap changer according to the reactor switching principle | Uwe Kaltenborn, Alfred Bieringer, Christian Hammer, Andreas Sachsenhauser, Thomas Schuster | 2018-12-04 |
| 9412527 | On-load tap changer | Juergen Donhauser, Roland Meisel | 2016-08-09 |
| 9305719 | Selector for a tap changer | Max Weidinger, Thomas Schuster, Moritz Bengler, Robert Hiltner | 2016-04-05 |
| 9293273 | Tap changer with vacuum interrupters | Wolfgang Albrecht, Christian Hammer, Christoph Heynen, Rainer Frotscher, Christian Kotz +8 more | 2016-03-22 |
| 9165726 | Tap changer and vacuum switching tube for such a tap changer | Dieter Dohnal, Klaus Hoepfl, Silke Wrede | 2015-10-20 |
| 8947188 | Tap changer and vacuum interrupter for such a tap changer | Christian Hammer, Wolfgang Albrecht, Sebastian Rehkopf, Andreas Sachsenhauser, Konrad Raedlinger +7 more | 2015-02-03 |
| 5650603 | Earthing switch for metal-clad high-voltage switch gear insulated with compressed gas | Dietrich Pfaff, Regina Tien Schmidt | 1997-07-22 |
| 5382765 | Grounding switch for a compressed-gas-insulated, metal-encased high-voltage switching system | Dieter Lorenz, Petra Geier, Helmut Holler, Dietrich Pfaff | 1995-01-17 |
| 4514783 | Encapsulated, compressed-gas-insulated, high-voltage switching installation | Willi Olsen, Heinz Padderatz, Joachim Palm | 1985-04-30 |
| 4429199 | Three-pole cable connecting unit for a three-pole metal-encapsulated, high-voltage switching installation | Jurgen Schoeps | 1984-01-31 |