Number | Name | Date | Kind |
---|---|---|---|
2901685 | Alder | Aug 1959 | |
2964116 | Peterson | Dec 1960 | |
2973505 | Johannesen | Feb 1961 | |
3065416 | Jeter | Nov 1962 | |
3302457 | Mayes | Feb 1967 | |
3309656 | Godbey | Mar 1967 | |
3693428 | Le Peuvedic et al. | Sep 1972 | |
3727179 | Bennett | Apr 1973 | |
3732728 | Fitzpatrick | May 1973 | |
3736558 | Cubberly, Jr. | May 1973 | |
3737843 | Le Peuvedic et al. | Jun 1973 | |
3739331 | Godbey et al. | Jun 1973 | |
3742443 | Foster et al. | Jun 1973 | |
3764968 | Anderson | Oct 1973 | |
3764970 | Manning | Oct 1973 | |
3770006 | Sexton et al. | Nov 1973 | |
3958217 | Spinnler | May 1976 | |
3964556 | Gearhart et al. | Jun 1976 | |
4038632 | Parker | Jul 1977 | |
4351037 | Scherbatskoy | Sep 1982 | |
4483394 | Peppers et al. | Nov 1984 | |
4499955 | Campbell et al. | Feb 1985 | |
4553598 | Meek et al. | Nov 1985 | |
4628495 | Peppers et al. | Dec 1986 | |
4790393 | Larronde et al. | Dec 1988 | |
4796699 | Upchurch | Jan 1989 | |
4856595 | Upchurch | Aug 1989 | |
4915168 | Upchurch | Apr 1990 | |
5079750 | Scherbatskoy | Jan 1992 | |
5113379 | Scherbaskoy | May 1992 | |
5144245 | Wisler | Sep 1992 | |
5280243 | Miller | Jan 1994 | |
5691712 | Meek et al. | Nov 1997 |
Entry |
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Ryan Energy Technologies, Inc., "Electronic Flow Switch (EFS)", New Technology Bulletin, Offshore Technology Conference, Houston, TX, May 7, 1998, 1 page. |
Piezo Kinetics Incorporated, "The Piezoelectric Effect", Piezoceramics--Application Notes, pp. 1-8 (1994). |