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Class Information
Number: 702/52
Name: Data processing: measuring, calibrating, or testing > Measurement system in a specific environment > Mechanical measurement system > Fluid measurement (e.g., mass, pressure, viscosity) > Capacitive sensor
Description: Subject matter wherein the physical property or characteristic of the fluid is determined by measuring capacitance variances of a probe.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8620602 System for detecting leaks in single phase and multiphase fluid transport pipelines Dec. 31, 2013
8620603 Fluid level sensing Dec. 31, 2013
8441268 Non-contact detection of surface fluid droplets May. 14, 2013
8401760 Gas turbine engine oil consumption monitoring system and method Mar. 19, 2013
8340928 Sensor and method for detecting oil deterioration and oil level Dec. 25, 2012
8332167 Digital multi range liquid level detector Dec. 11, 2012
8294478 Capacitive occupant sensor Oct. 23, 2012
8219331 Electronic device and method for evaluating a variable capacitance Jul. 10, 2012
8143907 Capacitive occupant sensor Mar. 27, 2012
8135554 Probe configuration data protocol and transmission method Mar. 13, 2012
8121800 Capacitative node measurement in a capacitative matrix pressure inducer Feb. 21, 2012
8099248 Flow rate measuring device, and gas supply system employing it, method for specifying gas appliance Jan. 17, 2012
8068999 Multi-gas flow device Nov. 29, 2011
8055457 Flow rate measuring device, and gas supply system employing it, method for specifying gas appliance Nov. 8, 2011
8010303 Multi-gas flow device Aug. 30, 2011
7983856 Flow meter Jul. 19, 2011
7729870 Methods for detecting oil deterioration and oil level Jun. 1, 2010
7664610 Steam trap monitoring Feb. 16, 2010
7636640 Multi-gas flow device Dec. 22, 2009
7567183 Printable sensors for plastic glazing Jul. 28, 2009
7557590 Capacitance detection circuit and capacitance detection method Jul. 7, 2009
7542860 Method and device for detecting the location of a pulse-type mechanical effect on a system part Jun. 2, 2009
7523006 Measurement sensor assembly and method for measuring the quality of a fluid Apr. 21, 2009
7484815 Brake device of motorcycle Feb. 3, 2009
7415366 Electronic field device with a sensor unit for capacitive level measurement in a container Aug. 19, 2008
7403862 Method for operating a process-measuring device Jul. 22, 2008
7167773 Process and apparatus for improving and controlling the curing of natural and synthetic moldable compounds Jan. 23, 2007
7079958 Method for operating a process-measuring device Jul. 18, 2006
7076464 Apparatus, and associated method, for distributing revenue generated pursuant to distribution of content Jul. 11, 2006
7020564 Logical volume administration method, the service using the method and the memory medium storing the service Mar. 28, 2006
6920411 Method for configuring an operational characteristic of a proximity sensor Jul. 19, 2005
6853928 Two-wire electromagnetic flowmeter Feb. 8, 2005
6714876 Control system Mar. 30, 2004
6666086 Automatic boiler level controller Dec. 23, 2003
6553812 Combined oil quality and viscosity sensing system Apr. 29, 2003
6546795 Wireless liquid level sensing system and method Apr. 15, 2003
6438500 Method and device for detecting the absence of a product in a reservoir Aug. 20, 2002
6338025 Data processing system and method to estimate power in mixed dynamic/static CMOS designs Jan. 8, 2002
6293144 Method and device for monitoring the consumption of a product, for example a printing ink, using a low-pass filter Sep. 25, 2001
6278381 Fault condition protective device for aircraft fuel gauging system Aug. 21, 2001
6171252 Pressure sensor with increased sensitivity for use with an implantable medical device Jan. 9, 2001
6101452 Method and apparatus for dispensing fluids Aug. 8, 2000
5726908 Liquid quantity sensor and method Mar. 10, 1998
5406843 Digital liquid level sensing apparatus Apr. 18, 1995
5155482 Aircraft fluid vessel testing Oct. 13, 1992
5121632 Point level switch Jun. 16, 1992
5051921 Method and apparatus for detecting liquid composition and actual liquid level Sep. 24, 1991
4918619 Multiplexed junction probe for fuel gaging system and system containing same Apr. 17, 1990
4908783 Apparatus and method for determining liquid levels Mar. 13, 1990
4872120 Multiplexed junction probe for fuel gaging system and system containing same Oct. 3, 1989

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