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Class Information
Number: 73/204.23
Name: Measuring and testing > Volume or rate of flow > Thermal type > Having particular electrical heating, cooling, or thermal sensing element
Description: Subject matter having a designated electrical thermal modifying or responsive element.










Sub-classes under this class:

Class Number Class Name Patents
73/204.25 Resistive element 128
73/204.24 Thermoelectric junction 33


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8695409 Air flow rate measuring apparatus Apr. 15, 2014
8650946 Thermal flow sensor having an electromagnetic actuator for a cyclic flow modulator Feb. 18, 2014
8590373 Sap flow sensor apparatus Nov. 26, 2013
8544352 Sensor arrangement including a bracket for mounting a probe Oct. 1, 2013
8474286 Overflow downdraw glass forming method and apparatus Jul. 2, 2013
8410946 Thermal measurement system and method for leak detection Apr. 2, 2013
8286478 Sensor bridge with thermally isolating apertures Oct. 16, 2012
8266957 Thermal flow measuring apparatus including RTD sensor Sep. 18, 2012
8191418 Method and measuring system for determining and/or monitoring an aggregate state change of a measured medium on a thermal, flow measuring device Jun. 5, 2012
8166814 Flow sensor and manufacturing method therefor May. 1, 2012
8118481 Fluid detector Feb. 21, 2012
7971480 Mass flow controller having a first pair of thermal sensing elements opposing a second pair of thermal sensing elements Jul. 5, 2011
7971479 Fluid flow rate measurement apparatus Jul. 5, 2011
7966870 Air flow measuring device Jun. 28, 2011
7765679 Method of manufacturing a flow rate sensor Aug. 3, 2010
7752909 Flow sensor with non-contact temperature detecting means Jul. 13, 2010
7685875 Fluid flow rate sensor and method of operation Mar. 30, 2010
7653503 Temperature-compensating sensor system Jan. 26, 2010
7640768 Heating/cooling system for indwelling heat exchange catheter Jan. 5, 2010
7533564 Micro sample heating apparatus and method of making the same May. 19, 2009
7528737 Temperature responsive indicators for process control instruments May. 5, 2009
7467547 Fluid-measuring device and fluid-measuring method Dec. 23, 2008
7399280 Passive and wireless in-vivo acoustic wave flow sensor Jul. 15, 2008
7373815 Thermal type flow measuring instrument with mold casing in metal insert May. 20, 2008
7367237 MEMS vascular sensor May. 6, 2008
7302844 Measurement element for determining a flow rate Dec. 4, 2007
7281423 Characteristics adjusting apparatus of physical quantity sensing device and a thermal type air flow measuring instrument, and associated adjusting method Oct. 16, 2007
7240730 Use of fiber optics in deviated flows Jul. 10, 2007
7228614 Method of manufacturing a gas flow meter Jun. 12, 2007
7228724 Apparatus and process for sensing target gas species in semiconductor processing systems Jun. 12, 2007
7201033 Flowmeter in-situ calibration verification system Apr. 10, 2007
7201049 Pulsed thermistor sensor Apr. 10, 2007
7191645 Dynamic mixed gas flowmeter Mar. 20, 2007
7049556 Heating device May. 23, 2006
7010972 Thermal type flow measuring instrument with mold casing in metal insert Mar. 14, 2006
6997256 Use of fiber optics in deviated flows Feb. 14, 2006
6983653 Flow sensor having thin film portion and method for manufacturing the same Jan. 10, 2006
6948362 Flow measurement device Sep. 27, 2005
6869425 Temperature compensation system for regulating flow through tubing in a pump Mar. 22, 2005
6820481 Mass flow sensor having an improved membrane stability Nov. 23, 2004
6804622 Method and apparatus for non-destructive thermal inspection Oct. 12, 2004
6681625 Constant-temperature-difference bidirectional flow sensor Jan. 27, 2004
6628202 Thermal dispersion mass flow rate and liquid level switch/transmitter Sep. 30, 2003
6571623 Measuring instrument with rectangular flow channel and sensors for measuring the mass of a flowing medium Jun. 3, 2003
6503221 Temperature compensation system for regulating flow through tubing in a pump Jan. 7, 2003
6474155 Constant-temperature-difference flow sensor Nov. 5, 2002
6453739 Time domain measurement and control system for a hot wire air flow sensor Sep. 24, 2002
6369712 Response adjustable temperature sensor for transponder Apr. 9, 2002
6360935 Apparatus and method for assessing solderability Mar. 26, 2002
6274951 EMI energy absorber Aug. 14, 2001

1 2 3










 
 
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