Number | Name | Date | Kind |
---|---|---|---|
2535386 | Brookins | Dec 1950 | |
3080124 | Rathmann | Mar 1963 | |
3273872 | Eckert | Sep 1966 | |
3589689 | English | Jun 1971 | |
3959419 | Kitterman | May 1976 | |
4066472 | Perry | Jan 1978 | |
4159291 | Bruckert et al. | Jun 1979 | |
4264538 | Moore et al. | Apr 1981 | |
4275021 | Kirkpatrick | Jun 1981 | |
4472325 | Robbins | Sep 1984 | |
4479909 | Strenber | Oct 1984 | |
4557877 | Hofstotter | Dec 1985 |
Number | Date | Country |
---|---|---|
2945103 | May 1981 | DEX |
3141930 | May 1983 | DEX |
Entry |
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Chemical Engineering, May 27, 1985, pp. 22, 23, 25, 27, Boosting Tower Performance, McGraw-Hill. |
Chemical Engineering, Mar. 5, 1984, pp. 40 et seq., How Packing Stacks Up, McGraw-Hill. |