Hirche; Ralf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hirche; Ralf.The latest application filed is for "leak detector".
- Hirche; Ralf - Koln DE
- Hirche; Ralf - Cologne DE
| Patent | Date |
|---|---|
| Leak detector comprising a vacuum apparatus Grant 7,717,681 - Bohm , et al. May 18, 2 | 2010-05-18 |
| Leak detector App 20060280615 - Bohm; Thomas ; et al. | 2006-12-14 |
| Test gas leakage detector Grant 7,082,813 - Grosse-Bley , et al. August 1, 2 | 2006-08-01 |
| Method for detecting a gas using an infrared gas analyser and gas analyser suitable for carrying out said method Grant 7,030,381 - Kilian , et al. April 18, 2 | 2006-04-18 |
| Test gas leakage detector App 20050066708 - Grosse-Bley, Werner ; et al. | 2005-03-31 |
| Method for detecting a gas using an infrared gas analyser and gas analyser suitable for carrying out said method App 20040051043 - Kilian, Ralf ; et al. | 2004-03-18 |
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