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Class Information
Number: 73/32A
Name: Measuring and testing > Specific gravity or density of liquid or solid > Involving vibration of substance or the measuring apparatus
Description:










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8601857 Crystal oscillator, and measurement method using same Dec. 10, 2013
8511144 Torsional sensor, method thereof, and system for measurement of fluid parameters Aug. 20, 2013
8448496 Piezoelectric coagulation sensors May. 28, 2013
8434350 Apparatus for determining and/or monitoring a process variable of a medium May. 7, 2013
8408045 Measurement instrument for density determination Apr. 2, 2013
8333106 System and method for measurement using a visual recorder Dec. 18, 2012
8322194 Apparatus for ascertaining and/or monitoring a process variable of a medium Dec. 4, 2012
8322210 Electronic circuit for measuring the mass of biological material and process for manufacturing the same Dec. 4, 2012
8281646 Measurement tool and method of use Oct. 9, 2012
8215170 Chemical and biological sensing using tuning forks Jul. 10, 2012
8190338 Method and apparatus for compaction of roadway materials May. 29, 2012
8173283 Ceramic substrate May. 8, 2012
8166801 Non-invasive fluid density and viscosity measurement May. 1, 2012
8170812 Method and system for detecting deposit buildup within an ultrasonic flow meter May. 1, 2012
8087284 Method and apparatus for measuring particle characteristics through mass detection Jan. 3, 2012
8020428 System for and method of monitoring properties of a fluid flowing through a pipe Sep. 20, 2011
7966882 Self-calibrating method for measuring the density and velocity of sound from two reflections of ultrasound at a solid-liquid interface Jun. 28, 2011
7958772 Density and viscosity sensor Jun. 14, 2011
7941284 Systems, apparatuses, and methods for measuring a fluid characteristic using a coriolis flow meter May. 10, 2011
7921691 Acoustic fluid analyzer Apr. 12, 2011
7913556 Methods and apparatus to determine the compressibility of a fluid Mar. 29, 2011
7908903 Oscillatory measurement device with visual recorder Mar. 22, 2011
7878044 Sensor, system, and method, for measuring fluid properties using multi-mode quasi-shear-horizontal resonator Feb. 1, 2011
7874199 Density and viscosity sensor Jan. 25, 2011
7831400 Diagnostic apparatus and methods for a coriolis flow meter Nov. 9, 2010
7788979 Monolithic antenna excited acoustic transduction device Sep. 7, 2010
7735353 Method and apparatus for oscillating a test sample Jun. 15, 2010
7689370 On-line absolute viscosity measurement system Mar. 30, 2010
7669458 Method and apparatus for predicting density of asphalt Mar. 2, 2010
7610795 Method for adjusting a mechanical natural frequency Nov. 3, 2009
7597008 Method and apparatus for determining flow pressure using density information Oct. 6, 2009
7596987 Apparatus and method for providing a density measurement augmented for entrained gas Oct. 6, 2009
7581429 Microfluidic device and method of operation Sep. 1, 2009
7562557 Flexural resonator sensing device and method Jul. 21, 2009
7552619 Measurement of density and viscoelasticity with a single acoustic wave sensor Jun. 30, 2009
7549319 High pressure resonant vibrating-tube densitometer Jun. 23, 2009
7530268 Device for determining and/or monitoring at least one physical or chemical process variable of a medium in a container May. 12, 2009
7523640 Acoustic fluid analyzer Apr. 28, 2009
7454981 Apparatus and method for determining a parameter in a wet gas flow Nov. 25, 2008
7437909 Oscillatory measurement device with visual recorder Oct. 21, 2008
7426866 Acoustic liquid dispensing apparatus Sep. 23, 2008
7409851 Detection of small bound mass Aug. 12, 2008
7399609 Staphylococcus detection Jul. 15, 2008
7380439 Apparatus and method for compensating a coriolis meter Jun. 3, 2008
7360399 Apparatus for measuring a density and/or a viscosity of a fluid Apr. 22, 2008
7334452 Method for characterizing materials by using a mechanical resonator Feb. 26, 2008
7257988 Densitometer with pulsing pressure Aug. 21, 2007
7254987 Method and system for conducting an on-site measurement of the density of an insulation material Aug. 14, 2007
7216543 Mass measurement system and method using measurement of frequency shift of vibrator May. 15, 2007
7191638 Device for determining and/or monitoring at least one physical parameter and having a piezo-drive for oscillation-excitation and -detection Mar. 20, 2007

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