Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11578741 | Fastener | Leo Gao | 2023-02-14 |
| 9810254 | Expansion bolt | Andreas Eckstein, Marc Schaeffer, Arjen Detmer Dijkhuis, Joerg Appl | 2017-11-07 |
| 9417169 | Sensor arrangement, for example, on an anchor bolt | Andreas Eckstein, Marc Schaeffer, Joerg Appl, Arjen Detmer Dijkhuis, Matthias Paetow | 2016-08-16 |
| 9316248 | Load-indicating washer | Joerg Appl, Arjen Detmer Dijkhuis, Marc Schaeffer, Andreas Eckstein | 2016-04-19 |
| 8662805 | Torque-limited attachment device | Marc Schaeffer, Michael Selb | 2014-03-04 |