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Class Information
Number: 73/861.01
Name: Measuring and testing > Volume or rate of flow > With indirect temperature or density compensation
Description: Subject matter with means for combining the output from a flow transducer with the output from one or more transducer means responsive to a fluid parameter to effect temperature correction of the output from the flow transducer or to convert volumetric flow rate into mass flow rate.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619418 |
Magnetic flowmeter output verification |
Nov. 17, 2009 |
| 7520445 |
Method, apparatus, and system for projecting hot water availability for showering and bathing |
Apr. 21, 2009 |
| 7469188 |
Method and flow meter for determining the flow rate of a multiphase fluid |
Dec. 23, 2008 |
| 7409871 |
Mass flow meter or controller with inclination sensor |
Aug. 12, 2008 |
| 7353703 |
Method for detecting the fuel quantity during the refueling of a motor vehicle |
Apr. 8, 2008 |
| 7287434 |
System and method for measuring flow |
Oct. 30, 2007 |
| RE39724 |
Respiratory humidification system |
Jul. 17, 2007 |
| 6938459 |
Method for detecting moisture level in apparatus for treating and preparing food and related food treatment and preparation apparatus |
Sep. 6, 2005 |
| 6744389 |
A/D-converter with lookup table |
Jun. 1, 2004 |
| 6745135 |
Majority component proportion determination of a fluid using a coriolis flowmeter |
Jun. 1, 2004 |
| 6532828 |
Device for temperature compensation in an acoustic flow meter |
Mar. 18, 2003 |
| 6520009 |
Air flow rate measuring apparatus |
Feb. 18, 2003 |
| 6305231 |
Flow metering |
Oct. 23, 2001 |
| 6272933 |
Respiratory humidification system |
Aug. 14, 2001 |
| 6116095 |
Apparatus and method for measuring air flow from a duct system |
Sep. 12, 2000 |
| 5902927 |
Fluid metering apparatus and method |
May. 11, 1999 |
| 5900534 |
Densitometer |
May. 4, 1999 |
| 5895863 |
Smart flowmeter pre-amplifier |
Apr. 20, 1999 |
| 5564306 |
Density compensated gas flow meter |
Oct. 15, 1996 |
| 5551282 |
Method and apparatus for measuring volume correction using molar quantities |
Sep. 3, 1996 |
| 5544531 |
Flowmeter having active temperature compensation |
Aug. 13, 1996 |
| 5515295 |
Methods and systems for fluid identification and flow rate determination |
May. 7, 1996 |
| 5502660 |
Dynamic gas density compensation in pulmonary gas analyzer systems |
Mar. 26, 1996 |
| 5481924 |
Method and apparatus for assessing and quantifying pulsation induced error in gas turbine flow meters |
Jan. 9, 1996 |
| 5463903 |
Torque flowmeter |
Nov. 7, 1995 |
| 5445035 |
Precision gas mass flow measurement apparatus and method maintaining constant fluid temperature in thin elongated flow path |
Aug. 29, 1995 |
| 5373822 |
Hydrocarbon vapor control system for an internal combustion engine |
Dec. 20, 1994 |
| 5325066 |
Density compensated pipeline monitor |
Jun. 28, 1994 |
| 5317927 |
Measuring device |
Jun. 7, 1994 |
| 5307668 |
Gas density meter and method |
May. 3, 1994 |
| 5305647 |
Counter assembly for gas meter |
Apr. 26, 1994 |
| 5291790 |
Counter assembly for gas meter |
Mar. 8, 1994 |
| 5287751 |
Drive link for gas meter counter assembly |
Feb. 22, 1994 |
| 5072416 |
Method and apparatus for calibrating a flowmeter using a master meter and a prover |
Dec. 10, 1991 |
| 4817022 |
Method and apparatus for automatic offset compensation in parameter-sensing transducer systems |
Mar. 28, 1989 |
| 4745800 |
Process and device for flow measurement |
May. 24, 1988 |
| 4737178 |
Method for manufacturing mineral fibers |
Apr. 12, 1988 |
| 4674316 |
Calibration system for mechanical gas volume corrector |
Jun. 23, 1987 |
| 4641535 |
Flowmeter |
Feb. 10, 1987 |
| 4552059 |
Flow measurement for exhaust-type canopy and ventilating hood |
Nov. 12, 1985 |
| 4498346 |
Metered gas volume correcting arrangement |
Feb. 12, 1985 |
| 4475407 |
Temperature compensated flow sensor |
Oct. 9, 1984 |
| 4458540 |
Remote display module for displaying characteristics of flowing slurry |
Jul. 10, 1984 |
| 4450726 |
Flow-operated measuring apparatus |
May. 29, 1984 |
| 4312233 |
Flow rate meter correction apparatus |
Jan. 26, 1982 |
| 4238956 |
Radiation attenuation weighing system for a vertical material feeder |
Dec. 16, 1980 |
| 4216674 |
Liquid flow meter |
Aug. 12, 1980 |
| 4195516 |
Apparatus for continuously measuring rates of flow of a liquid |
Apr. 1, 1980 |
| 4191209 |
Air flow sensing device for air conditioning systems |
Mar. 4, 1980 |
| 4166386 |
Wheel and disc continuous integrator |
Sep. 4, 1979 |
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