Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11764570 | Lightning protection spark gap assembly and method for operating a lightning protection spark gap assembly | Arnd Ehrhardt | 2023-09-19 |
| 11705724 | Lightning protection spark gap assembly and method for operating a lightning protection spark gap assembly | Arnd Ehrhardt | 2023-07-18 |
| 11454653 | Device for detecting electrical currents on or in the vicinity of electrical conductors | Peter Zahlmann, Josef Birkl, Thomas Böhm, Johannes Maget, Arnd Ehrhardt +1 more | 2022-09-27 |
| 11162984 | Device for detecting electrical currents on or near electrical conductors | Peter Zahlmann, Josef Birkl, Thomas Böhm, Johannes Maget, Arnd Ehrhardt +1 more | 2021-11-02 |
| 11145477 | Short-circuiting device for use in low-voltage and medium-voltage systems for the protection of property and persons | Arnd Ehrhardt | 2021-10-12 |
| 9871368 | Encapsulated surge protection device capable of carrying lightning currents and limiting follow currents and comprising at least one spark gap | Stefanie Schreiter, Jens Ehrler, Arnd Erhardt | 2018-01-16 |
| 8427431 | Operator control element for a device, in particular a medical device | Werner Beck, Franz Meissner | 2013-04-23 |
| 6776597 | Tool for multi-component injection molding of plastic toothbrush bodies of toothbrushes | — | 2004-08-17 |