Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8289112 | Apparatus for monitoring the state of a protective device of a machine | Walter Link | 2012-10-16 |
| 8228146 | Apparatus for monitoring the state of a protective device of a machine | Walter Link | 2012-07-24 |
| 8082765 | Device for maintaining a locked and closed state of a space-separating device in a releasable manner | Kai Bretschneider | 2011-12-27 |
| 6989727 | Locking system of a safety switch comprising a reading head and an actuator | — | 2006-01-24 |
| 6548774 | Device for switching an electric connection, especially in a hinge switch | — | 2003-04-15 |
| 6084185 | Safety switch | — | 2000-07-04 |
| 5868243 | Safety switch assemblies | — | 1999-02-09 |