Number | Name | Date | Kind |
---|---|---|---|
1406245 | Thordarson | Jul 1922 | |
1713697 | Granger | May 1929 | |
3007124 | Robinson | Oct 1961 | |
3102246 | Honey et al. | Aug 1963 | |
3125735 | Twomey | Mar 1964 | |
3316515 | Bock et al. | Apr 1967 | |
3683303 | Ayano et al. | Aug 1972 | |
3743991 | Gumpper et al. | Jul 1973 | |
3815067 | Koh | Jun 1974 | |
3895336 | Pitman | Jul 1975 | |
4047138 | Steigerwald | Sep 1977 | |
4055826 | Franz | Oct 1977 | |
4325096 | Sunohara et al. | Apr 1982 | |
4724413 | Kataoka | Feb 1988 |
Entry |
---|
"Transformer Core Constructions", K.C. Lin et al., Westinghouse ABB Power T & D Company, pp. 163-168, Intern'L Coil Winding Assoc., Inc., (Sep. 25-28, 1989). |