Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9316559 | Leak detection appliance | — | 2016-04-19 |
| 8528386 | Sniffing leak detector according to the reference measurement principle | Werner Grosse-Bley, Ludolf Gerdau, Gerhard Küster | 2013-09-10 |
| 7063278 | Fuel injection valve | Hubert Stier, Elmar Okrent | 2006-06-20 |
| 6635875 | Infrared gas analyzer and method for operating said analyzer | Werner Grosse Bley, Gunter Voss, Thomas Böhm | 2003-10-21 |
| 6277177 | Gas passage with selectively acting penetration surface and process for producing the penetration surface | Werner Grosse Bley, Thomas Böhm, Manfred Lacher, Thomas Zetterer | 2001-08-21 |
| 5821404 | Test gas leak indicator | Thomas Böhm, Werner Grosse Bley | 1998-10-13 |
| 5708194 | Test gas leak detector | Thomas Böhm | 1998-01-13 |
| 5661229 | Test gas detector, preferably for leak detectors, and process for operating a test gas detector of this kind | Thomas Böhm | 1997-08-26 |
| 5132536 | Gauge head for a quadrupole mass spectrometer | — | 1992-07-21 |