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Class Information
Number: 73/1.02
Name: Measuring and testing > Instrument proving or calibrating > Gas or liquid analyzer
Description: Subject matter wherein either (a) the apparatus for proving or calibrating or (b) the device which is being proven or calibrated either (1) detects or measures the composition of, or some constituent or an identifying characteristic of a gas or gaseous mixture or (2) detects or determines the composition of, a constituent of, or a property of a liquid or a liquid suspension of a solid.

Sub-classes under this class:

Class Number Class Name Patents
73/1.06 Gas 333
73/1.03 Reference standard 164

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
7526941 Rheometer torque calibration fixture May. 5, 2009
7523637 Methods for controlling one or more parameters of a flow cytometer type measurement system Apr. 28, 2009
7523647 Multiphase fluid characterization Apr. 28, 2009
7523649 Method and apparatus for ultrasonic determination of hematocrit and hemoglobin concentrations Apr. 28, 2009
7524460 System and method of molecule counting using fluctuation enhanced sensors Apr. 28, 2009
7487662 Volatile organic compound sensor system Feb. 10, 2009
7472023 Gas analysis system and method Dec. 30, 2008
7465425 Sensor and method for detecting analytes in fluids Dec. 16, 2008
7428838 Calibration for an oil-consumption-measurement system Sep. 30, 2008
7429358 Method and apparatus for measuring gas sorption and desorption properties of materials Sep. 30, 2008
7421879 Device and method for transferring a reference liquid into a measurement appliance Sep. 9, 2008
7415864 Orifice test device for protective mask testers Aug. 26, 2008
7416703 Polymer based lanthanide luminescent sensors for the detection of organophosphorus compounds Aug. 26, 2008
7413666 Method for selectively sampling particulates in boiler/steam cycle corrosion transport Aug. 19, 2008
7404880 Sensor element Jul. 29, 2008
7393450 System for maintaining pH and sanitizing agent levels of water in a water feature Jul. 1, 2008
7374722 System for taking a gas sample able to contain particles of suspended materials May. 20, 2008
7360392 Fluid sensor including an error detection device Apr. 22, 2008
7359804 System and method for calibrating remote emissions sensing instruments Apr. 15, 2008
7357015 Gas concentration sensor, hydrogen purification unit using this and fuel cell system Apr. 15, 2008
7351374 Surface plasmon enhanced illumination apparatus having non-periodic resonance configurations Apr. 1, 2008
7351376 Integrated active flux microfluidic devices and methods Apr. 1, 2008
7349760 System and method for sensing and controlling the concentration of a chemical agent in a solution Mar. 25, 2008
7338802 Method of performing calibration and quality control of a sensor and apparatus for performing the method Mar. 4, 2008
7338808 Method and apparatus for determining zeta potential using alternating current electric field and T channel Mar. 4, 2008
7334450 Water cut measurement with improved correction for density Feb. 26, 2008
7329389 Sensor device and method for qualitative and quantitative analysis of gas phase substances Feb. 12, 2008
7323140 Moving microdroplets in a microfluidic device Jan. 29, 2008
7320775 Exchangeable flow cell assembly with a suspended capillary Jan. 22, 2008
7318908 Integrated nanotube sensor Jan. 15, 2008
7318907 Surface plasmon enhanced illumination system Jan. 15, 2008
7318336 Methods for controlling one or more parameters of a flow cytometer type measurement system Jan. 15, 2008
7318335 Ultrasonic gas leak detector including a detector testing device Jan. 15, 2008
7306951 Method and apparatus for determining diffusible hydrogen concentrations Dec. 11, 2007
7303727 Microfluidic sample delivery devices, systems, and methods Dec. 4, 2007
7297549 Method of determining measurement bias in an emissions monitoring system Nov. 20, 2007
7290433 Method and device for checking a sensor Nov. 6, 2007
7286942 System and method of fluctuation enhanced gas-sensing using saw devices Oct. 23, 2007
7285246 Hand-held fluid analyzer Oct. 23, 2007
7279132 Chemical vapor sensor having an active and a passive measurement mode Oct. 9, 2007
7279337 Method and apparatus for sequencing polymers through tunneling conductance variation detection Oct. 9, 2007
7269991 Permeation calibrator Sep. 18, 2007
7267797 Nanofabricated photon tunneling based sensor Sep. 11, 2007
7255836 Analytical sensitivity enhancement by catalytic transformation Aug. 14, 2007
7250138 Method and system for detecting and recording submicron sized particles Jul. 31, 2007
7247274 Prevention of precipitate blockage in microfluidic channels Jul. 24, 2007
7247271 Compact ceramic sensor for fuel volatility and oxygenate concentration Jul. 24, 2007
7247231 Analyzer and method of testing analyzer Jul. 24, 2007
7229593 Portable vapor diffusion coefficient meter Jun. 12, 2007
7225661 Gas supply adapter Jun. 5, 2007

1 2 3 4 5 6 7

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