Schoenfeld; Dirk
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schoenfeld; Dirk.The latest application filed is for "filter element".
- Schoenfeld; Dirk - Schwabsdorf DE
- Schoenfeld; Dirk - Altbach N/A DE
| Patent | Date |
|---|---|
| Filter element Grant RE49,220 - Stehle , et al. September 27, 2 | 2022-09-27 |
| Filter element Grant 10,478,759 - Oberli , et al. Nov | 2019-11-19 |
| Filter Element App 20190143250 - OBERLI; Frank ; et al. | 2019-05-16 |
| Test station for fluid pumps and fluid injectors Grant 9,557,245 - Schoenfeld , et al. January 31, 2 | 2017-01-31 |
| Test stand and method for testing fluid pumps and fluid injectors Grant 9,528,768 - Schoenfeld , et al. December 27, 2 | 2016-12-27 |
| Test Stand And Method For Testing Fluid Pumps And Fluid Injectors App 20130186605 - Schoenfeld; Dirk ; et al. | 2013-07-25 |
| Test Station For Fluid Pumps And Fluid Injectors App 20130174655 - Schoenfeld; Dirk ; et al. | 2013-07-11 |
| Electromagnetic valve for controlling an injection valve of an internal combustion engine App 20030141475 - Ruthardt, Siegfried ; et al. | 2003-07-31 |
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