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Class Information
Number: 73/733
Name: Measuring and testing > Fluid pressure gauge > Bourdon > With electrical readout
Description: Subject matter wherein the tubular pressure responsive element is deflected by the pressure to be measured to generate or modify an electric current and the value of such current is indicative of the pressure.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6636155 |
Gauge having adjustable activating means |
Oct. 21, 2003 |
| 6626045 |
Pressure measurement device |
Sep. 30, 2003 |
| 6591684 |
Pressure sensor intergrated into an electro-hydraulic control unit |
Jul. 15, 2003 |
| 6530281 |
Mechanical pressure gauge having digital output |
Mar. 11, 2003 |
| 5877426 |
Bourdon tube pressure gauge with integral optical strain sensors for measuring tension or compressive strain |
Mar. 2, 1999 |
| 5744727 |
Pressure gauge |
Apr. 28, 1998 |
| 5675317 |
Residual pressure sensor and residual pressure sensor monitoring apparatus |
Oct. 7, 1997 |
| 5363703 |
Dual transducer |
Nov. 15, 1994 |
| 5317918 |
High resolution pressure sensor |
Jun. 7, 1994 |
| 5286931 |
Gauge with indicator switch |
Feb. 15, 1994 |
| 5230250 |
Capacitor and pressure transducer |
Jul. 27, 1993 |
| 5207767 |
Capacitor and pressure transducer |
May. 4, 1993 |
| 5168419 |
Capacitor and pressure transducer |
Dec. 1, 1992 |
| 4873870 |
Micro displacement force transducer |
Oct. 17, 1989 |
| 4805448 |
Downhole pressure and/or temperature gauges |
Feb. 21, 1989 |
| 4599902 |
Condition responsive apparatus |
Jul. 15, 1986 |
| 4586383 |
Electronic pressure gauge and flow meter |
May. 6, 1986 |
| 4502334 |
Combined pressure gauge-transmitter |
Mar. 5, 1985 |
| 4455874 |
Digital pressure transducer |
Jun. 26, 1984 |
| 4292840 |
Fuel consumption efficiency gauge |
Oct. 6, 1981 |
| 4279155 |
Bourdon tube transducer |
Jul. 21, 1981 |
| 4184377 |
Hydraulic pressure transducer with electrical output |
Jan. 22, 1980 |
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