Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837857 | Gas leak search using a test gas spray device | Hjalmar Bruhns, Ernst Franke, Ralf Kilian, Norbert Moser, Jochen Puchalla-König +3 more | 2020-11-17 |
| 8416091 | Sniffing probe | Randolf Rolff, Ralf Kilian, Norbert Moser, Norbert Rolff | 2013-04-09 |
| 7802461 | Method and device for detecting leaks | Randolf Rolff, Ralf Kilian | 2010-09-28 |
| 7159445 | Sniffing leak detector and method for operation thereof | Thomas Böhm, Gerhard Küster, Randolf Rolff | 2007-01-09 |