Number | Name | Date | Kind |
---|---|---|---|
3152872 | Scoggin et al. | Oct 1964 | |
3803025 | Dailey | Apr 1974 | |
4218575 | Webb, Jr. | Aug 1980 | |
4286110 | Chapman | Aug 1981 | |
4589957 | Sherk et al. | May 1986 | |
4737280 | Hanson | Apr 1988 | |
5575979 | Hanson | Nov 1996 |
Entry |
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Perry, Chemical Engineers Handbook, "Distillation Controls and Optimization", pp. 6-23. |
Liptak, B. G., Control Systems Engineers Handbook, pp. 874 and 875. |