Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8834153 | Flame arrester arrangement | Frank Helmsen | 2014-09-16 |
| 8092213 | Flame arrester insert and process for its production | — | 2012-01-10 |
| 7959434 | Flame arrester arrangement and method of incorporating bore in a flame arrester arrangement | — | 2011-06-14 |
| 7955073 | Flame arrester arrangement and method of incorporating bores in a flame arrester arrangement | — | 2011-06-07 |
| 7918664 | Permanently fireproof flame guard | — | 2011-04-05 |
| 7241137 | Flame arrestor | Thomas Heidermann | 2007-07-10 |
| 6978845 | Flame barrier arrangement | — | 2005-12-27 |
| 6409779 | Method for rendering a detonation front harmless | — | 2002-06-25 |
| 6342082 | Apparatus for rendering a detonation front harmless | — | 2002-01-29 |