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Class Information
Number: 73/724
Name: Measuring and testing > Fluid pressure gauge > Diaphragm > With electrical readout > Capacitive
Description: Subject matter wherein the deflection of the flexible wall or plate effects a variation in capacitance to modify the electric current.










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

Patent Number Title Of Patent Date Issued
8704538 Capacitance sensors Apr. 22, 2014
8661910 Capacitive sensor Mar. 4, 2014
8656787 Electrostatic capacitive pressure sensor Feb. 25, 2014
8643128 Micro-electro-mechanical-system sensor and method for making same Feb. 4, 2014
8631706 Noise suppressor for semiconductor packages Jan. 21, 2014
8601879 Capacitance type pressure sensor and method for manufacturing a capacitance type pressure sensor Dec. 10, 2013
8590387 Absolute capacitive micro pressure sensor Nov. 26, 2013
8564311 Sensing phase sequence to suppress single tone noise Oct. 22, 2013
8561471 Capacitive pressure sensor with improved electrode structure Oct. 22, 2013
8544336 Sealed conductive grid capacitive pressure sensor Oct. 1, 2013
8539839 Pressure sensor, sensor array, method for manufacturing sensor array, and grasping apparatus Sep. 24, 2013
8516894 Electronic circuit for controlling a capacitive pressure sensor and capacitive pressure sensor system Aug. 27, 2013
8511168 Sensor element for capacitively measuring differential pressure Aug. 20, 2013
8511169 Monolithic vacuum manometer utilizing electrostatic interference as a means of detection Aug. 20, 2013
8504237 Device, method, and control unit for identifying a side impact, and pressure sensor Aug. 6, 2013
8471346 Semiconductor device including a cavity Jun. 25, 2013
8443676 Pressure sensor for hydraulic media in motor vehicle brake systems May. 21, 2013
8434369 Preloaded pressure sensor module May. 7, 2013
8429978 Resonant frequency based pressure sensor Apr. 30, 2013
8429979 Capacitance type pressure sensor Apr. 30, 2013
8424388 Implantable capacitive pressure sensor apparatus and methods regarding same Apr. 23, 2013
8397578 Capacitive pressure sensor assembly Mar. 19, 2013
8333118 Capacitive pressure sensor Dec. 18, 2012
8316718 MEMS pressure sensor device and method of fabricating same Nov. 27, 2012
8316717 Wireless self-powered monolithic integrated capacitive sensor and method of manufacture Nov. 27, 2012
8261619 Time to digital converting circuit and pressure sensing device using the same Sep. 11, 2012
8256302 Capacitive electro-mechanical transducer Sep. 4, 2012
8250926 Fabrication method of a flexible capacitive pressure sensor Aug. 28, 2012
8234927 Differential pressure sensor with line pressure measurement Aug. 7, 2012
8230746 Combined type pressure gauge, and manufacturing method of combined type pressure gauge Jul. 31, 2012
8220337 Micromechanical sensor element for capacitive pressure detection Jul. 17, 2012
8201456 Measuring cell and a method of use therefor Jun. 19, 2012
8198992 Seat belt warning system Jun. 12, 2012
8183975 Miniature pressure transducer May. 22, 2012
8181531 Accessible stress-based electrostatic monitoring of chemical reactions and binding May. 22, 2012
8143906 Temperature and pressure transducer Mar. 27, 2012
8141430 Monolithic vacuum manometer utilizing electrostatic interference as a means of detection Mar. 27, 2012
8104353 Capacitive pressure sensor Jan. 31, 2012
8104354 Capacitive sensor and manufacturing method thereof Jan. 31, 2012
8096189 Physical quantity sensor and method for manufacturing the same Jan. 17, 2012
8096186 Systems and methods for measuring fluid pressure within a disposable IV set connected to a fluid supply pump Jan. 17, 2012
8079269 Electrostatic pressure sensor with porous dielectric diaphragm Dec. 20, 2011
8000816 Process control system and method for operating a system of this type Aug. 16, 2011
7992443 Sensor element for capacitive differential-pressure sensing Aug. 9, 2011
7992445 Pressure sensor Aug. 9, 2011
7946178 Vacuum measuring cell device having a heater May. 24, 2011
7938014 Sealed capacitive sensor May. 10, 2011
7926351 Pressure sensor and data input apparatus Apr. 19, 2011
7918134 Thermal-based diagnostic system for process transmitter Apr. 5, 2011
7911316 Sensor array for a high temperature pressure transducer employing a metal diaphragm Mar. 22, 2011

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