Preuss; Robert K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Preuss; Robert K..The latest application filed is for "method of preparation of ceramic foam".
- Preuss; Robert K. - Middletown CT
- Preuss; Robert K. - Middleton CT
| Patent | Date |
|---|---|
| Method of preparation of ceramic foam Grant 4,075,303 - Yarwood , et al. * February 21, 1 | 1978-02-21 |
| Method for in-line degassing and filtration of molten metal Grant 4,052,198 - Yarwood , et al. October 4, 1 | 1977-10-04 |
| Apparatus and method for in-line degassing and filtration of molten metal Grant 4,032,124 - Yarwood , et al. June 28, 1 | 1977-06-28 |
| Filtering of molten metal Grant 4,024,056 - Yarwood , et al. May 17, 1 | 1977-05-17 |
| Ceramic foam and method of preparation Grant 4,024,212 - Dore , et al. May 17, 1 | 1977-05-17 |
| Ceramic foam filter Grant 3,962,081 - Yarwood , et al. June 8, 1 | 1976-06-08 |
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