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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 8170812 |
Method and system for detecting deposit buildup within an ultrasonic flow meter |
May. 1, 2012 |
| 8166801 |
Non-invasive fluid density and viscosity measurement |
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 |
| 7152460 |
Apparatus and method for compensating a coriolis meter |
Dec. 26, 2006 |
| 7134320 |
Apparatus and method for providing a density measurement augmented for entrained gas |
Nov. 14, 2006 |
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