Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11587748 | High-voltage power switch with closing resistor arrangement | Radu-Marian Cernat, Armin Grund, Johannes Severin Kern, Andrzej Nowakowski, Frank Reichert +4 more | 2023-02-21 |
| 11342136 | Tensioning mechanism for clamping a pre-loaded spring of a spring-loaded accumulator drive | — | 2022-05-24 |
| 11211206 | Charging mechanism for charging a stored-energy spring of a stored-energy spring mechanism | Lukas Binner | 2021-12-28 |
| 11152162 | Charging mechanism for charging a stored-energy spring of a stored-energy spring mechanism | Lukas Binner | 2021-10-19 |
| 11094477 | Tensioning gear mechanism for tensioning a stored-energy spring of a spring-type stored-energy drive | Marian Bietz, Michael Bartz, Lukas Binner, Gunnar Lutzke | 2021-08-17 |
| 11043343 | Assembly and method for damping contact bounce in high-voltage circuit breakers | Volker Lehmann | 2021-06-22 |
| 10663047 | Device comprising a transmission assembly having an override clutch with a freewheeling member | Michael Bartz, Oliver Duwe | 2020-05-26 |
| 9748059 | Switching device arrangement | Radu-Marian Cernat, Martin Krehnke, Volker Lehmann, Andrzej Nowakowski | 2017-08-29 |
| 9741514 | Switching arrangement | Radu-Marian Cernat, Martin Krehnke, Volker Lehmann, Andrzej Nowakowski | 2017-08-22 |
| 9666392 | Electric switching device | Robert Gruenler, Volker Lehmann, Andrzej Nowakowski | 2017-05-30 |
| 9633806 | Switching arrangement | Martin Krehnke | 2017-04-25 |
| 9484161 | Electrical switching device | Joachim Gericke, Robert Gruenler, Martin Krehnke, Volker Lehmann | 2016-11-01 |
| 9460873 | Switching method and switching device | Radu-Marian Cernat, Martin Krehnke, Volker Lehmann, Andrzej Nowakowski | 2016-10-04 |
| 6730871 | Compressed gas-blast circuit breaker | — | 2004-05-04 |
| 6646850 | High-voltage power breaker having an outlet flow channel | Ralf Bergmann, Hold Dienemann, Joerg Hagen, Hartmut Knobloch, Volker Lehmann +2 more | 2003-11-11 |