Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10343954 | Gas generating composition and use thereof in pedestrian protection devices | Jorg Friedrich, Achim Hofmann, Siegfried Zeuner | 2019-07-09 |
| 6893517 | Nitrocellulose-free gas-generating composition | Siegfried Zeuner, Roland Schropp, Achim Hofmann | 2005-05-17 |
| 6599380 | Guanidine-thermite igniter composition for use in gas generators | Siegfried Zeuner, Achim Hofmann, Roland Schropp | 2003-07-29 |
| 6592778 | Method for producing propellant compacts | Siegfried Zeuner, Achim Hofmann, Roland Schropp | 2003-07-15 |
| 6132537 | Azide-free gas-producing composition | Siegfried Zeuner, Achim Hofmann, Roland Schropp | 2000-10-17 |
| 6004411 | Azide-free gas-producing composition | Siegfried Zeuner, Achim Hofmann, Roland Schropp | 1999-12-21 |
| 5989367 | Particle-free, gas-producing mixture | Siegfried Zeuner, Achim Hofmann, Roland Schropp | 1999-11-23 |
| 5542997 | Gas-generating mixture | Siegfried Zeuner, Joachim Sans, Uwe Dolling | 1996-08-06 |
| 5525170 | Fumaric acid-based gas generating compositions for airbags | Armin Stark, Siegfried Zeuner | 1996-06-11 |