Bras, Johan C. M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bras, Johan C. M..The latest application filed is for "sealing and friction bearing unit containing a magnetic fluid".
- Bras, Johan C. M. - Tricht NL
- Bras; Johan C. M. - Buurmalsen NL
| Patent | Date |
|---|---|
| Sealing and friction bearing unit containing a magnetic fluid Grant 5,100,159 - March 31, 1 | 1992-03-31 |
| Lubrication device Grant 4,799,574 - Bras January 24, 1 | 1989-01-24 |
| Sealing ring with two rows of projections and for a rotary shaft Grant 4,783,086 - Bras , et al. November 8, 1 | 1988-11-08 |
| Lip sealing ring with tow rows of projections and for a rotary shaft Grant 4,671,519 - Bras , et al. June 9, 1 | 1987-06-09 |
| Seal for a rolling bearing unit Grant 4,545,692 - Bras , et al. October 8, 1 | 1985-10-08 |
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