Number | Name | Date | Kind |
---|---|---|---|
2895996 | Wright, Jr. et al. | Jul 1959 | |
2930818 | Wust | Mar 1960 | |
3037060 | Dege | May 1962 | |
3379624 | Lindkvist | Apr 1968 | |
3808280 | Merger et al. | Apr 1974 | |
3920760 | Heinz | Nov 1975 | |
3939216 | Wright | Feb 1976 | |
3975450 | Palmer et al. | Aug 1976 | |
4021496 | Wright | May 1977 | |
4038329 | Palmer et al. | Jul 1977 | |
4250337 | zur Hausen et al. | Feb 1981 | |
4655879 | Brockmann et al. | Apr 1987 |
Entry |
---|
Pfaudler's "Wiped Film Evaporator" Sales Bulletin SB 39-100-1, pp. 1-8, 1984. |