Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8656808 | Transmission system | Josef Bader, Gerhard Birkenmaier, Andreas Graf, Kim Führer, Kai Heinrich +10 more | 2014-02-25 |
| 5113912 | Inflatable cushion for sealing off leaks in containers and pipes | — | 1992-05-19 |
| 5085405 | Hoisting cushion with two reinforced walls | — | 1992-02-04 |
| 4907781 | Low pressure hoisting air cushion having an airtight chamber with a venting mechanism | — | 1990-03-13 |
| 4890483 | Apparatus for testing the watertight capacity of pipes | — | 1990-01-02 |
| 4883094 | Apparatus for sealing pipe | — | 1989-11-28 |
| 4880035 | Pneumatic bolster for sealing damaged walls of containers and pipes | — | 1989-11-14 |
| 4643398 | Rubber pneumatic rectangular pad | — | 1987-02-17 |
| 4612961 | Tube sealing device | — | 1986-09-23 |
| 4448218 | Apparatus for sealing leaks | — | 1984-05-15 |
| 4377184 | Plug | — | 1983-03-22 |
| 4202379 | Sealing arrangement | — | 1980-05-13 |
| 4201368 | Arrangement for emergency opening a vehicle door | — | 1980-05-06 |