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Class Information
Number: 73/736
Name: Measuring and testing > Fluid pressure gauge > Bourdon > Multiple and/or differential
Description: Subject matter having multiple unit devices subjected to single or plural pressures, and single devices responsive to plural pressures.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7437940 |
Apparatus for measuring differential pressure |
Oct. 21, 2008 |
| 7389696 |
Measuring device with a microsensor and method for producing the same |
Jun. 24, 2008 |
| 7357033 |
Manual resuscitators with integral manometer |
Apr. 15, 2008 |
| 7337675 |
Method for measuring average velocity pressure and system thereof |
Mar. 4, 2008 |
| 7328624 |
Probe for measuring parameters of a flowing fluid and/or multiphase mixture |
Feb. 12, 2008 |
| 7311006 |
Pressure sensor |
Dec. 25, 2007 |
| 7308829 |
Differential pressure indicator and method of manufacture |
Dec. 18, 2007 |
| 7284437 |
Device and method for the status monitoring of a pressure measuring unit |
Oct. 23, 2007 |
| 7281430 |
Inflatable manometers |
Oct. 16, 2007 |
| 7278320 |
Omni-directional pressure pickup probe |
Oct. 9, 2007 |
| 7272977 |
Dual gauge |
Sep. 25, 2007 |
| 7219551 |
Differential pressure sensor |
May. 22, 2007 |
| 7185543 |
Ultra-precision micro-differential pressure measuring device and ultra-precision differential pressure measuring device |
Mar. 6, 2007 |
| 7159468 |
Fiber optic differential pressure sensor |
Jan. 9, 2007 |
| 7152480 |
Differential pressure detection type pressure sensor and method for manufacturing the same |
Dec. 26, 2006 |
| 7134346 |
Differential pressure transducer with Fabry-Perot fiber optic displacement sensor |
Nov. 14, 2006 |
| 7124642 |
Dual gauge with dual calibration system and method |
Oct. 24, 2006 |
| 7089790 |
Pressure sensor with laminated membrane |
Aug. 15, 2006 |
| 7021149 |
Differential pressure sensor with overload damping |
Apr. 4, 2006 |
| 6901805 |
Device for measuring the pressure of a fluid |
Jun. 7, 2005 |
| 6892584 |
Fabricated pitot probe assembly |
May. 17, 2005 |
| 6662818 |
Programmable tracking pressure regulator for control of higher pressures in microfluidic circuits |
Dec. 16, 2003 |
| 6578425 |
Apparatus and method for verifying the dynamic stiffness capability of hydraulic servo actuators |
Jun. 17, 2003 |
| 6564642 |
Stable differential pressure measuring system |
May. 20, 2003 |
| 6557417 |
Method and device for void fraction measurement and adverse output signal mitigation on pressure-base instruments |
May. 6, 2003 |
| 6116093 |
Differential pressure gauge assembly |
Sep. 12, 2000 |
| 5070736 |
Differential pressure sensor with read-out device |
Dec. 10, 1991 |
| 5022269 |
Resonance frequency position sensor |
Jun. 11, 1991 |
| 4718279 |
Dual bourdon tube type sensing pressure transducer |
Jan. 12, 1988 |
| 4651569 |
Torque tube digital differential pressure sensor |
Mar. 24, 1987 |
| 4596149 |
Pressure gauge assembly |
Jun. 24, 1986 |
| 4502336 |
Pressure measuring device |
Mar. 5, 1985 |
| 4484698 |
Ultra micro precision fluid metering device |
Nov. 27, 1984 |
| 4462301 |
Bourdon tube actuator |
Jul. 31, 1984 |
| 4461180 |
Apparatus for protecting differential pressure measurement apparatus against exceeding a maximum allowable differential pressure |
Jul. 24, 1984 |
| 4374475 |
Differential pressure gauge |
Feb. 22, 1983 |
| 4323741 |
Mechanical deflection apparatus for sensing fluid pressure |
Apr. 6, 1982 |
| 4245497 |
Monitoring and remote-indicator apparatus for vacuum-generating internal combustion engines |
Jan. 20, 1981 |
| 4143545 |
Pressure gauge assembly |
Mar. 13, 1979 |
| 4099164 |
Sensors for sensing a plurality of parameters |
Jul. 4, 1978 |
| 4016760 |
Differential flowmeter |
Apr. 12, 1977 |
| 3990311 |
Pressure gauge flushing system |
Nov. 9, 1976 |
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