Pfitzer; Friedhelm
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pfitzer; Friedhelm.The latest application filed is for "plastic rotor for a vacuum pump".
- Pfitzer; Friedhelm - Rangendingen DE
| Patent | Date |
|---|---|
| Vane for a vane cell pump and vane cell pump Grant 10,087,930 - Ott , et al. October 2, 2 | 2018-10-02 |
| Plastic Rotor For A Vacuum Pump App 20170016445 - Ott; Hans-Peter ; et al. | 2017-01-19 |
| Vane For A Vane Cell Pump And Vane Cell Pump App 20170016443 - Ott; Hans-Peter ; et al. | 2017-01-19 |
| Oil filter assembly and associated filter element Grant 8,282,821 - Maier , et al. October 9, 2 | 2012-10-09 |
| Oil filter assembly Grant 8,182,681 - Maier , et al. May 22, 2 | 2012-05-22 |
| Oil filter Grant 8,128,818 - Jungmann , et al. March 6, 2 | 2012-03-06 |
| Oil filter arrangement Grant 7,862,717 - Pfitzer , et al. January 4, 2 | 2011-01-04 |
| Oil filter assembly Grant 7,842,183 - Heinz , et al. November 30, 2 | 2010-11-30 |
| Oelfilteranordnung und Filterelement Hierfuer App 20100006493 - Maier; Jan ; et al. | 2010-01-14 |
| Oil filter arrangement and filter element for an oil filter arrangement App 20090255866 - Pfitzer; Friedhelm ; et al. | 2009-10-15 |
| Oil filter assembly App 20090223889 - Heinz; Stefan ; et al. | 2009-09-10 |
| Oil filter App 20090218269 - Jungmann; Peter ; et al. | 2009-09-03 |
| Oil Filter Arrangement App 20090139923 - Pfitzer; Friedhelm ; et al. | 2009-06-04 |
| Oil filter assembly App 20090134078 - Pfitzer; Friedhelm ; et al. | 2009-05-28 |
| Oil filter assembly App 20080169233 - Pfitzer; Friedhelm ; et al. | 2008-07-17 |
| Valve Grant 7,198,061 - Jungmann , et al. April 3, 2 | 2007-04-03 |
| Valve App 20040118458 - Jungmann, Peter ; et al. | 2004-06-24 |
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