Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10307627 | Carbosilane containing fire-extinguishing foam | Ralf Helmut Hetzer, Richard Meisenheimer, Kai Oliver Wirz | 2019-06-04 |
| 9687686 | Siloxane-containing fire extinguishing foam | Ralf Helmut Hetzer, Angela Sager-Wiedmann, Kai Oliver Wirz | 2017-06-27 |
| 9446272 | Siloxane-containing fire extinguishing foam | Ralf Helmut Hetzer, Angela Sager-Wiedmann, Kai Oliver Wirz | 2016-09-20 |