Giebmanns; Wolfgang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Giebmanns; Wolfgang.The latest application filed is for "dual or multi-shaft vacuum pump".
- Giebmanns; Wolfgang - Erftstadt DE
- Giebmanns; Wolfgang - Ertstadt DE
- Giebmanns; Wolfgang - Erfstadt DE
| Patent | Date |
|---|---|
| Screw vacuum pump without internal cooling Grant 11,300,123 - Dreifert , et al. April 12, 2 | 2022-04-12 |
| Vacuum pump screw rotors with symmetrical profiles on low pitch sections Grant 11,293,435 - Dreifert , et al. April 5, 2 | 2022-04-05 |
| Dual Or Multi-shaft Vacuum Pump App 20210270270 - Schiller; Dirk ; et al. | 2021-09-02 |
| Vacuum-pump Rotor App 20190264686 - Dreifert; Thomas ; et al. | 2019-08-29 |
| Vacuum Pump Screw Rotor App 20190211822 - Dreifert; Thomas ; et al. | 2019-07-11 |
| Screw-type Vacuum Pump App 20190203711 - DREIFERT; Thomas ; et al. | 2019-07-04 |
| Dry-compressing Vacuum Pump App 20190186493 - Dreifert; Thomas ; et al. | 2019-06-20 |
| Vacuum pump Grant 9,234,519 - Dreifert , et al. January 12, 2 | 2016-01-12 |
| Vacuum pump in particular roots type pump Grant 8,740,578 - Kamecke , et al. June 3, 2 | 2014-06-03 |
| Screw-type vacuum pump having overpressure openings Grant 8,602,759 - Birch , et al. December 10, 2 | 2013-12-10 |
| Vacuum Pump App 20120315165 - Dreifert; Thomas ; et al. | 2012-12-13 |
| Vacuum Pump System App 20120189478 - Dreifert; Thomas ; et al. | 2012-07-26 |
| Screw-type Vacuum Pump App 20120039737 - Birch; Peter ; et al. | 2012-02-16 |
| Vacuum Pump Housing And Set Of Cooling Elements For A Vaccum Pump Housing App 20120034110 - Dreifert; Thomas ; et al. | 2012-02-09 |
| Vacuum Pump In Particular Roots Type Pump App 20110129374 - Kamecke; Hannes ; et al. | 2011-06-02 |
| Shaft Seal App 20090140495 - Dreifert; Thomas ; et al. | 2009-06-04 |
| Vacuum Pump Impeller App 20070297907 - Giebmanns; Wolfgang | 2007-12-27 |
| Vacuum pump Grant 7,153,093 - Dreifert , et al. December 26, 2 | 2006-12-26 |
| Vacuum pump App 20050147517 - Dreifert, Thomas ; et al. | 2005-07-07 |
| Screw vacuum pump comprising additional flow bodies App 20040067149 - Giebmanns, Wolfgang ; et al. | 2004-04-08 |
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