Federhen; Bernd
Patent Applications and Registrations
Patent applications and USPTO patent grants for Federhen; Bernd.The latest application filed is for "method and device for regenerating foundry sand".
- Federhen; Bernd - Siegen DE
- Federhen; Bernd - 57078 Siegen DE
| Patent | Date |
|---|---|
| Method and device for regenerating foundry sand Grant 11,235,376 - Federhen , et al. February 1, 2 | 2022-02-01 |
| Method And Device For Regenerating Foundry Sand App 20190351479 - Federhen; Bernd ; et al. | 2019-11-21 |
| Device and method for inwardly transferring bulk material into a pneumatic conveyor line Grant 6,802,685 - Federhen October 12, 2 | 2004-10-12 |
| Pneumatic conveying process and apparatus Grant 4,592,679 - Boiting , et al. June 3, 1 | 1986-06-03 |
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