Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10043623 | Device for transmission of forces | Martin Boettcher, Karsten Freundt | 2018-08-07 |
| 9236210 | Electrical switch | — | 2016-01-12 |
| 9129768 | Multipole electrical switching device | Jörg-Uwe Dahl, Andreas Hierl, Siegfried Pirker, Thomas Pniok | 2015-09-08 |
| 8975990 | Switching mechanism for an electrical switching device and an electrical switching device | — | 2015-03-10 |
| 8735752 | Multipole electrical switching device | Torsten Ahlert, Joerg-Uwe Dahl, Marc Liebetruth, Milos Petracek | 2014-05-27 |
| 8378243 | Arrangement comprising at least two separate switch pole housings and having a joining facility for joining the switch pole housings and a multi-pole electric switching device comprising such an arrangement | Torsten Ahlert, Jörg-Uwe Dahl, Marc Liebetruth | 2013-02-19 |
| 8198561 | Switching mechanism for a switching device having a switching lever which remains in an intermediate switch position when a contact element is welded and when an opening operation is carried out | — | 2012-06-12 |
| 8089016 | Circuit breaker, in particular for low voltages | Jörg-Uwe Dahl | 2012-01-03 |
| 7902472 | Arrangement, in particular, for activating a transport pawl and clamping device for a spring energy store of an electric switch comprising such an arrangement | — | 2011-03-08 |
| 7750263 | Arresting device for a drive train | — | 2010-07-06 |
| 7574773 | Hinge construction and protective device having a hinge construction | Joerg-Uwe Dahl | 2009-08-18 |
| 7102471 | Electrical power breaker with a switching contact arrangement having a current loop | — | 2006-09-05 |
| 6870113 | Latching mechanism for locking a spring energy store | Jörg-Uwe Dahl, Ralph Hohenberger, Marc Liebetruth | 2005-03-22 |
| 6831240 | Drive train for a displaceable contact on an electrical power breaker | Michael Bach, Jörg-Uwe Dahl, Ralph Hohenberger, Marc Liebetruth, Detlev Schmidt +4 more | 2004-12-14 |
| 6788172 | Device for controlling the closing of a power circuit breaker | Marc Liebetruth | 2004-09-07 |
| 6777636 | Low-voltage power switch with a bearing arrangement for a switch shaft | Torsten Ahlert, Marc Liebetruth | 2004-08-17 |
| 6734378 | Operating shaft for a multiple electrical power circuit breaker and method for its production | Peter Petznik | 2004-05-11 |
| 6492888 | Power circuit breaker with an actuating shaft | Jörg-Uwe Dahl, Marc Liebetruth | 2002-12-10 |
| 6380830 | Low-voltage circuit-breaker with a retrofitted power-driven lift | Jörg-Uwe Dahl, Marc Liebetruth | 2002-04-30 |
| 6252186 | Insertable and retractable switching device comprising a blocking bar which prevents wrong operation | Marc Liebetruth, Torsten Ahlert, Jörg-Uwe Dahl | 2001-06-26 |
| 5924323 | Lever arrangement to transmit a driving force | Michael Sebekow, Adolf Wihan | 1999-07-20 |
| 5912444 | Switch racking mechanism with interlock | — | 1999-06-15 |
| 5895898 | Device for mutually locking the actuation of at least two power switches | — | 1999-04-20 |
| 5847340 | Power switch mutually locking arrangement | — | 1998-12-08 |
| 5847341 | Evaluation apparatus for a powder switch mutually locking system | — | 1998-12-08 |