Number | Name | Date | Kind |
---|---|---|---|
1074397 | Westby | Sep 1913 | |
2235604 | Brumagim | Mar 1941 | |
2514126 | Fischer | Jul 1950 | |
2677534 | Fischer et al. | May 1954 | |
2890027 | Fischer | Jun 1959 | |
3341182 | Fischer | Sep 1967 | |
3362688 | Fischer | Jan 1968 | |
3400185 | Kohnle et al. | Sep 1968 | |
3635443 | Fischer | Jan 1972 | |
3787035 | Bryson, Jr. et al. | Jan 1974 | |
3986705 | Nauta | Oct 1976 | |
4141657 | Fischer | Feb 1979 |
Number | Date | Country |
---|---|---|
15871 | May 1902 | SEX |
Entry |
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Patterson-Kelly Co., Patterns of Precision in Processing Equipment, Copyright 1976, p. 11. |
Chemical Engineering, Aug. 8, 1960, McGraw Hill, p. 125. |
P-K Cross-Flon Bulletin, Bul. CF-2, Patterson-Kelly Co., pp. 1-2. |
A Continuous Whirl of Solids Processing Developments, Patterson-Kelly Co., cover page & pp. 1-2. |