Hahn; Walter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hahn; Walter.The latest application filed is for "method and apparatus for contactless transmission of electrical energy between a wall and a door leaf fastened to this wall".
- Hahn; Walter - Moenchengladbach-Wickrath N/A DE
- Hahn; Walter - Schonungen DE
- Hahn; Walter - Frankfurt DE
Trademarks
| Patent | Date |
|---|---|
| Method and apparatus for contactless transmission of electrical energy between a wall and a door leaf fastened to this wall Grant 9,287,705 - Meyer , et al. March 15, 2 | 2016-03-15 |
| Method And Apparatus For Contactless Transmission Of Electrical Energy Between A Wall And A Door Leaf Fastened To This Wall App 20140001878 - Meyer; Eckhard ; et al. | 2014-01-02 |
| System For Transmitting Electric Power From A Wall To A Leaf Hingeably Fastened To Said Wall App 20120242166 - Herglotz; Tibor ; et al. | 2012-09-27 |
| Locking mechanism Grant 4,795,280 - Dobhan , et al. January 3, 1 | 1989-01-03 |
| Switch drive Grant 4,654,492 - Koerner , et al. March 31, 1 | 1987-03-31 |
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