Number | Name | Date | Kind |
---|---|---|---|
2999249 | Logan et al. | Sep 1961 | A |
3106722 | Logan et al. | Oct 1963 | A |
3925829 | Bost | Dec 1975 | A |
4585175 | Formentos | Apr 1986 | A |
4651770 | Denham et al. | Mar 1987 | A |
4675924 | Allison et al. | Jun 1987 | A |
5008963 | Stein | Apr 1991 | A |
5530972 | Tanner | Jul 1996 | A |
5566406 | Demeny et al. | Oct 1996 | A |
5647531 | Kline et al. | Jul 1997 | A |
5695124 | Demeny et al. | Dec 1997 | A |
5740569 | Gurries, II et al. | Apr 1998 | A |
Number | Date | Country |
---|---|---|
WO 9749021 | Dec 1997 | WO |
Entry |
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Excerpts from www.ces.clemson.edu/chemeng/uolab/valve3.html web page, “Valves” (Feb. 9, 2001). |