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Class Information
Number: 73/304R
Name: Measuring and testing > Liquid level or depth gauge > Immersible electrode type

Sub-classes under this class:

Class Number Class Name Patents
73/304C Capacitative 635

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

Patent Number Title Of Patent Date Issued
8711002 Monitoring of undesirable fluid ingress into subsea control modules Apr. 29, 2014
8684700 Method and apparatus for waste water level indication Apr. 1, 2014
8656773 Rationality diagnostic device for alcohol concentration sensor Feb. 25, 2014
8596118 HTA fluid level and fluid type measurement Dec. 3, 2013
8590374 Method for mounting a capacitive level sensor in a liquid tank Nov. 26, 2013
8572991 Condensate liquid level sensor and drain fitting Nov. 5, 2013
8567243 Method for fill level measurement Oct. 29, 2013
8549910 Fuel system electro-static potential differential level sensor element and hardware/software configuration Oct. 8, 2013
8552316 Sensor measurement system using pulsed current signals Oct. 8, 2013
8528400 Aircraft shock strut having a fluid level monitor Sep. 10, 2013
8516883 Device and method for determining the fill level of a flexible medicine reservoir Aug. 27, 2013
8510065 Wireless liquid quantity measurement system Aug. 13, 2013
8474314 Fill level switch and sensor element for a fill level switch Jul. 2, 2013
8464584 Beverage dispenser with level measuring apparatus and display Jun. 18, 2013
8432171 Method and apparatus for measuring the concentration of an analyte in a sample fluid Apr. 30, 2013
8429967 Water level display device using LED, and water level measurement system including the same Apr. 30, 2013
8427336 Monitoring of undesirable fluid ingress into subsea control modules Apr. 23, 2013
8375783 Device and method for detecting the filling level of a container, and device for filling a container Feb. 19, 2013
8330603 Method and apparatus for sensor calibration and adjustable pump time in a dewatering system Dec. 11, 2012
8316707 Method for measuring the level of liquid cryogen in a cryogen vessel Nov. 27, 2012
8291761 Solid state fluid level sensor Oct. 23, 2012
8286484 Device and method for determining the fill level of a flexible medicine reservoir Oct. 16, 2012
8272264 All working condition continuously measuring liquid level meter for a steam drum of a boil and the liquid level computing method thereof Sep. 25, 2012
8266958 Liquid level sensor device for liquefied gas Sep. 18, 2012
8237454 Measuring device and method for local measurement of at least one electrical property of the content of a container Aug. 7, 2012
8230736 Level sensor for conductive liquids Jul. 31, 2012
8225653 Level sensor for cryogenic liquids, and receptacle comprising such a level sensor Jul. 24, 2012
8196466 Sensor for inductive measure of fluid level Jun. 12, 2012
8181517 Sender card contamination reduction due to current application to sender card May. 22, 2012
8161814 Self-calibrating capacitive transducer for determining level of fluent materials Apr. 24, 2012
8146420 HTA fluid level and fluid type measurement Apr. 3, 2012
8127603 Physical quantity sensor Mar. 6, 2012
8127604 Liquid level sensor for galley inserts Mar. 6, 2012
8117910 Apparatus for capacitive determining and/or monitoring of fill level of a medium Feb. 21, 2012
8111076 Method and apparatus for determination of plant canopy rehydration rate and magnitude of plant canopy water storage Feb. 7, 2012
8074514 Liquid level sensor with conductive torsion springs Dec. 13, 2011
8065913 Ink level sensor Nov. 29, 2011
8061263 Sensor head and brew cup for a beverage brewing device Nov. 22, 2011
8047073 Capacitive liquid level detector for direct methanol fuel cell systems Nov. 1, 2011
8043768 Liquid tank using fuel cell system and liquid level detection device Oct. 25, 2011
8024969 Liquid level detection device Sep. 27, 2011
8021125 Hermetic compressor Sep. 20, 2011
7997132 Capacitive sensor assembly for determining relative position Aug. 16, 2011
7992437 Liquid level detector Aug. 9, 2011
7992436 Electro-optic liquid level sensing system for aircraft beverage brewing Aug. 9, 2011
7971481 Circuit design to prevent false level sense readings Jul. 5, 2011
7963164 Capacitive sensor assembly for determining level of fluent materials Jun. 21, 2011
7938002 Apparatus for detecting water level mixtures in fluids May. 10, 2011
7907059 Sewage pipe alarm system and associated method Mar. 15, 2011
7905145 Capacitive gauge for fuel tank Mar. 15, 2011

1 2 3 4 5 6 7 8 9 10 11

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