Number | Date | Country | Kind |
---|---|---|---|
2316094 | Aug 2000 | CA |
Number | Name | Date | Kind |
---|---|---|---|
3125981 | Reynolds | Mar 1964 | A |
3134443 | Snow | May 1964 | A |
3326296 | Hill et al. | Jun 1967 | A |
4883240 | Adamson et al. | Nov 1989 | A |
6293492 | Yanagisawa | Sep 2001 | B1 |
Number | Date | Country |
---|---|---|
236117 | Dec 1923 | CA |
237065 | Jan 1924 | CA |
243059 | Sep 1924 | CA |
251949 | Jul 1925 | CA |
587408 | Nov 1959 | CA |
617318 | Mar 1961 | CA |
781805 | Apr 1968 | CA |
817241 | Jul 1969 | CA |
847722 | Jul 1970 | CA |
WO 9803795 | Jan 1998 | WO |
Entry |
---|
Woods Practical Guide to Fan Engineering, Woods of Colchester Ltd., England, 1952, Benham & Co. Ltd. Colchester, pp. 83-102, Section 13, Fans. |