Number | Name | Date | Kind |
---|---|---|---|
3714829 | Gilbert | Feb 1973 | |
3822596 | Bonner | Jul 1974 | |
4091682 | Abbott et al. | May 1978 | |
4270050 | Brogardh | May 1981 | |
4470310 | Tsuruoka et al. | Sep 1984 | |
4620093 | Barkhoudarian et al. | Oct 1986 | |
4632563 | Lord, III | Dec 1986 | |
4648280 | Miyoshi et al. | Mar 1987 | |
4679425 | Bolland | Jul 1987 | |
4743752 | Olsen et al. | May 1988 | |
4746218 | Lord, III | May 1988 | |
4752141 | Sun et al. | Jun 1988 | |
4883354 | Sun et al. | Nov 1989 | |
4905575 | Knecht et al. | Mar 1990 | |
4918305 | Wlodarczyk et al. | Apr 1990 | |
4932262 | Wlodarczyk | Jun 1990 | |
4932263 | Wlodarezyk | Jun 1990 | |
4988212 | Sun et al. | Jan 1991 | |
4991178 | Wani et al. | Feb 1991 | |
5020379 | Berthold et al. | Jun 1991 | |
5025667 | Strasser | Jun 1991 | |
5061846 | Gergely | Oct 1991 | |
5090254 | Guckel et al. | Feb 1992 | |
5144375 | Gabriel et al. | Sep 1992 | |
5188983 | Guckel et al. | Feb 1993 | |
5191791 | Gerardi et al. | Mar 1993 | |
5196694 | Berthold et al. | Mar 1993 | |
5206455 | Williams et al. | Apr 1993 |
Entry |
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"Electronic Gage & Absolute Pressure Transmitter," Bailey Control Systems, Prod. Spec. E41-18-1 (Admitted Prior Art). |
Model 1151DP Alphaline Differential Pressure Transmitter, Rosemount Inc. (Admitted Prior Art). |
Smart Vortex Shedding Flowmeter, Type VF, Bailey Controls, Prod. Spec. E 22-35-10. |
CRD Proposal No. 92-202, submitted to Electric Power Research Institute on Nov. 13, 1992, titled "Advanced Pressure, Level, and Flow Sensors". |