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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 |
| 7610795 |
Method for adjusting a mechanical natural frequency |
Nov. 3, 2009 |
| 7596987 |
Apparatus and method for providing a density measurement augmented for entrained gas |
Oct. 6, 2009 |
| 7597008 |
Method and apparatus for determining flow pressure using density information |
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 |
| 7117717 |
Densitometer with pulsing pressure |
Oct. 10, 2006 |
| 7073370 |
Method and apparatus for characterizing materials by using a mechanical resonator |
Jul. 11, 2006 |
| 7059172 |
Phase flow measurement in pipes using a density meter |
Jun. 13, 2006 |
| 7059169 |
Fluid aeration test apparatus and method |
Jun. 13, 2006 |
| 7059171 |
Fluid density measurement using acoustic pressures for industrial sensing applications |
Jun. 13, 2006 |
| 7024917 |
Method and apparatus for an acoustic pulse decay density determination |
Apr. 11, 2006 |
| 6986276 |
Deployable mandrel for downhole measurements |
Jan. 17, 2006 |
| 6971259 |
Fluid density measurement in pipes using acoustic pressures |
Dec. 6, 2005 |
| 6957565 |
Method and apparatus for characterizing materials by using a mechanical resonator |
Oct. 25, 2005 |
| 6938462 |
Device for measuring viscosity and/or density |
Sep. 6, 2005 |
| 6928877 |
High throughput microbalance and methods of using same |
Aug. 16, 2005 |
| 6918283 |
System and method for demonstrating and investigating brownian motion effects on a diamagnetically suspended particle |
Jul. 19, 2005 |
| 6912904 |
Single tube densitometer |
Jul. 5, 2005 |
| 6904786 |
Method and apparatus for characterizing materials by using a mechanical resonator |
Jun. 14, 2005 |
| 6885491 |
Diffraction-optical component, illumination system and exposure system comprising such a diffraction-optical component as well as an exposure method employing such an exposure system |
Apr. 26, 2005 |
| 6874355 |
Method and device for monitoring and controlling a process |
Apr. 5, 2005 |
| 6874356 |
Method and device for monitoring and controlling a process |
Apr. 5, 2005 |
| 6848299 |
Quartz crystal microbalance with feedback loop for automatic gain control |
Feb. 1, 2005 |
| 6845663 |
Method and device for determining and/or monitoring the level of a medium in a container, or for determining the density of a medium in a container |
Jan. 25, 2005 |
| 6826949 |
Method and apparatus for guiding a liquid sample towards a sensing surface |
Dec. 7, 2004 |
| 6813928 |
Sensor system and method employing shared transducer elements |
Nov. 9, 2004 |
| 6786077 |
Wide beam clamp-on ultrasonic densitometer |
Sep. 7, 2004 |
| 6763698 |
Self calibrating system and technique for ultrasonic determination of fluid properties |
Jul. 20, 2004 |
| 6732570 |
Method and apparatus for measuring a fluid characteristic |
May. 11, 2004 |
| 6722200 |
Apparatus and method for ultrasensitive nanoelectromechanical mass detection |
Apr. 20, 2004 |
| 6688176 |
Single tube densitometer |
Feb. 10, 2004 |
| 6684683 |
Method and apparatus for characterizing the barrier properties of members of combinatorial libraries |
Feb. 3, 2004 |
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