Number | Name | Date | Kind |
---|---|---|---|
T893001 | Fisler | Dec 1971 | |
3483034 | Ensminger | Dec 1969 | |
3620800 | Tamai et al. | Nov 1971 | |
3791730 | Sullivan | Feb 1974 | |
4043298 | Swackhammer | Aug 1977 | |
4080059 | Tani et al. | Mar 1978 | |
4111546 | Maret | Sep 1978 | |
4165172 | Okamoto et al. | Aug 1979 | |
4252435 | Manghirmalani | Feb 1981 | |
4361397 | Katakura et al. | Nov 1982 | |
4459012 | Allen et al. | Jul 1984 | |
4499849 | Tomita et al. | Feb 1985 | |
4505577 | Koizumi | Mar 1985 | |
4571070 | Tomita | Feb 1986 |
Entry |
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Magnetic Fluid Seals, R. E. Rosensweig et al, Machine Design, Mar. 28, 1968, pp. 145-150. |