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Class Information
Number: 73/715
Name: Measuring and testing > Fluid pressure gauge > Diaphragm
Description: Subject matter comprising a flexible wall or plate as the pressure responsive element.










Sub-classes under this class:

Class Number Class Name Patents
73/729.1 Bellows 86
73/729.2 Capsule 68
73/730 Expansible conduit 118
73/716 Multiple and/or differential 299
73/731 Sack 32
73/723 With electrical readout 227


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8704538 Capacitance sensors Apr. 22, 2014
8701496 Systems and methods for a pressure sensor having a two layer die structure Apr. 22, 2014
8695431 Flexible microsphere coated piezoelectric acoustic sensor apparatus and method of use therefor Apr. 15, 2014
8671764 Low pass filter semiconductor structures for use in transducers for measuring low dynamic pressures in the presence of high static pressures Mar. 18, 2014
8671765 Pressure sensor having a diaphragm Mar. 18, 2014
8667849 Pressure sensor Mar. 11, 2014
8656784 Flat covered leadless pressure sensor assemblies suitable for operation in extreme environments Feb. 25, 2014
8656785 Multi-diaphragm pressure sensors Feb. 25, 2014
8652322 Multi-component part transducer assembly and a method for determining the pressure of a fluid using the transducer Feb. 18, 2014
8650963 Electrostatically coupled pressure sensor Feb. 18, 2014
8640546 Sensor for high pressure processing of articles Feb. 4, 2014
8640547 Pressure sensor with a flexible membrane Feb. 4, 2014
8635915 Torque insensitive header assembly Jan. 28, 2014
8631707 Differential temperature and acceleration compensated pressure transducer Jan. 21, 2014
8631709 Pressure transducer structures having a plurality of conductive traces for curved surfaces Jan. 21, 2014
8627559 Media-compatible electrically isolated pressure sensor for high temperature applications Jan. 14, 2014
8596131 High performance pressure sensor Dec. 3, 2013
8590387 Absolute capacitive micro pressure sensor Nov. 26, 2013
8593037 Resonator with a fluid cavity therein Nov. 26, 2013
8581354 Semiconductor device carrying micro electro mechanical system Nov. 12, 2013
8567242 Pressure sensor venting system Oct. 29, 2013
8567255 Semiconductor pressure sensor having a recess with a larger area than a planar shape of a diaphragm Oct. 29, 2013
8561470 Apparatus and method for eliminating varying pressure fluctuations in a pressure transducer Oct. 22, 2013
8552513 Semiconductor pressure sensor Oct. 8, 2013
8544336 Sealed conductive grid capacitive pressure sensor Oct. 1, 2013
8528412 Pressure gage with removable seal member and diaphragm Sep. 10, 2013
8528411 Elastic material for pressure measurement and pressure measuring device Sep. 10, 2013
8522620 Pressure sensor and use thereof in a fluid tank Sep. 3, 2013
8516892 Pressure sensor module and electronic component Aug. 27, 2013
8516894 Electronic circuit for controlling a capacitive pressure sensor and capacitive pressure sensor system Aug. 27, 2013
8518733 Method of manufacturing an electromechanical transducer Aug. 27, 2013
8511170 Pressure transducer having structure for monitoring surface charge Aug. 20, 2013
8505386 Pressure sensor device Aug. 13, 2013
8499642 Hermetically sealed pressure sensing device Aug. 6, 2013
8490495 Capacitive pressure sensor with vertical electrical feedthroughs and method to make the same Jul. 23, 2013
8490645 Pressure sensor, pressure-differential flow rate meter, and flow rate controller Jul. 23, 2013
8485041 Sensor system, method for operating a sensor system, and method for manufacturing a sensor system Jul. 16, 2013
8485042 Method for manufacturing an elastic body of Al2O3 ceramic, measuring membrane for a pressure sensor and pressure sensor with such a membrane Jul. 16, 2013
8471346 Semiconductor device including a cavity Jun. 25, 2013
8468895 Pressure sensor device Jun. 25, 2013
8464589 Micro-electromechanical systems (MEMS) structure Jun. 18, 2013
8454822 Disposable tangential flow filtration liner with sensor mount Jun. 4, 2013
8448519 Industrial process transmitter with high static pressure isolation diaphragm coupling May. 28, 2013
8443676 Pressure sensor for hydraulic media in motor vehicle brake systems May. 21, 2013
8429979 Capacitance type pressure sensor Apr. 30, 2013
8424388 Implantable capacitive pressure sensor apparatus and methods regarding same Apr. 23, 2013
8418544 Bending transducer for generating electrical energy from mechanical deformations Apr. 16, 2013
8418547 Force, pressure, or stiffness measurement or calibration using graphene or other sheet membrane Apr. 16, 2013
8413518 Sensor membrane Apr. 9, 2013
8397576 Sensor and method for determining the pressure in a fluid Mar. 19, 2013

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