Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11273855 | LED shielding and monitoring system and wayside LED signals | Jeffrey Smith | 2022-03-15 |
| 11155285 | Optical system for a LED signal and wayside LED signal | Volker Türck | 2021-10-26 |
| 9781918 | Substrate unit, preservation device and method for the cryopreservation of a biological sample | Heiko Zimmermann, Julia NEUBAUER, Guenter R. Fuhr | 2017-10-10 |
| 9171488 | Optical display element and display device | Martin Franke, Stefan Nerreter, Volker Türck | 2015-10-27 |
| 6939057 | Optical coupling unit and method for inserting optical wave guides into an optical coupling unit | Hans-Dieter Weigel | 2005-09-06 |
| 6367987 | Connector holder | Hendryk Hoffmeister, Hans-Dieter Weigel | 2002-04-09 |
| 6101303 | Junction configuration for a multi-conductor optical cable | — | 2000-08-08 |
| 5953475 | Fiber optic plug connector | Hans-Dieter Weigel | 1999-09-14 |
| 5898813 | Optical short-circuit plug | — | 1999-04-27 |
| 5815620 | Support receptacle and method for producing the same | Hans-Dieter Weigel | 1998-09-29 |
| 5574812 | Holder arrangement for optical connectors or the like | Hans-Dieter Weigel | 1996-11-12 |