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Class Information
Number: 702/50
Name: Data processing: measuring, calibrating, or testing > Measurement system in a specific environment > Mechanical measurement system > Fluid measurement (e.g., mass, pressure, viscosity)
Description: Subject matter wherein the measurement system or process is designed for or utilized to determine a physical property or characteristic of a fluid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5855791 |
Performance-based control system |
Jan. 5, 1999 |
| 5850626 |
Diver's Computer |
Dec. 15, 1998 |
| 5848260 |
Computer system for simulating physical processes |
Dec. 8, 1998 |
| 5832409 |
Automated gas permeameter |
Nov. 3, 1998 |
| 5812421 |
System for cooperatively operating river management facilities |
Sep. 22, 1998 |
| 5764539 |
Non-invasive system and method for a fluid flow monitoring system |
Jun. 9, 1998 |
| 5764538 |
System interface for microwave conductivity sensor |
Jun. 9, 1998 |
| 5763794 |
Methods for optimizing sampling of a petroleum pipeline |
Jun. 9, 1998 |
| 5757666 |
System for analyzing compounds contained liquid samples |
May. 26, 1998 |
| 5751606 |
Automatic valve test apparatus |
May. 12, 1998 |
| 5717603 |
Integrated test station for testing liquid flow and electrical safety characteristics of IV pumps |
Feb. 10, 1998 |
| 5694341 |
Method and apparatus for measuring a weight of a stirring fluid |
Dec. 2, 1997 |
| 5681482 |
Method for monitoring and controlling a filtration process |
Oct. 28, 1997 |
| 5594671 |
Computer system for simulating physical processes using multiple-integer state vectors |
Jan. 14, 1997 |
| 5592395 |
Method and apparatus for determining and extending a change interval for an operating fluid of a unit |
Jan. 7, 1997 |
| 5517427 |
On-site oil analyzer |
May. 14, 1996 |
| 5506791 |
Multi-function flow monitoring apparatus with multiple flow sensor capability |
Apr. 9, 1996 |
| 5432718 |
Particle interaction processing system |
Jul. 11, 1995 |
| 5425270 |
Valve diagnostic environmental data acquisitioner |
Jun. 20, 1995 |
| 5394339 |
Apparatus for analyzing oil well production fluid |
Feb. 28, 1995 |
| 5394344 |
Slew rate limiter with asymmetrical operation |
Feb. 28, 1995 |
| 5377129 |
Particle interaction processing system |
Dec. 27, 1994 |
| 5369600 |
Apparatus for measuring gas density and sugar content of a beverage within a sealed container and method of measuring the same |
Nov. 29, 1994 |
| 5363696 |
Method and arrangement for oil well test system |
Nov. 15, 1994 |
| 5339258 |
Apparatus for determining the density of liquids and gases from a period of an oscillator filled with a test sample |
Aug. 16, 1994 |
| 5321630 |
Method of detecting a layer level condition |
Jun. 14, 1994 |
| 5311447 |
On-line combustionless measurement of gaseous fuels fed to gas consumption devices |
May. 10, 1994 |
| 5303167 |
Absolute pressure sensor and method |
Apr. 12, 1994 |
| 5295084 |
Vibrating tube densimeter |
Mar. 15, 1994 |
| 5295083 |
Device for dynamically measuring bubble content of flowing liquid |
Mar. 15, 1994 |
| 5270947 |
Fluid status detection system |
Dec. 14, 1993 |
| 5265032 |
Method for controlling LP gas inventory |
Nov. 23, 1993 |
| 5259424 |
Method and apparatus for dispensing natural gas |
Nov. 9, 1993 |
| 5257532 |
Method and apparatus for measuring moisture content as a function of thermal response |
Nov. 2, 1993 |
| 5255725 |
Process for the rotary truing of planks and the like |
Oct. 26, 1993 |
| 5239862 |
Apparatus and method for measuring fluid properties |
Aug. 31, 1993 |
| 5218554 |
Fluid detection system with solid state inputs |
Jun. 8, 1993 |
| 5187674 |
Versatile, overpressure proof, absolute pressure sensor |
Feb. 16, 1993 |
| 5148376 |
Pressure instrument with depth/altitude and time display |
Sep. 15, 1992 |
| 5072404 |
Method of tracking fluids flowing along a flow path |
Dec. 10, 1991 |
| 5023819 |
Linear shaped filter |
Jun. 11, 1991 |
| 5014553 |
Method for measuring the state of a fluid |
May. 14, 1991 |
| 5003488 |
Automatic fluid sedimentation rate measurement apparatus and method |
Mar. 26, 1991 |
| 4996656 |
Densitometer with remotely disposed control electronics |
Feb. 26, 1991 |
| 4991124 |
System and method for ultrasonic determination of density |
Feb. 5, 1991 |
| 4956793 |
Method and apparatus for measuring the density of fluids |
Sep. 11, 1990 |
| 4932243 |
Moisture measurement device |
Jun. 12, 1990 |
| 4915507 |
Liquid average temperature measuring apparatus and method |
Apr. 10, 1990 |
| 4888718 |
Volume measuring apparatus and method |
Dec. 19, 1989 |
| 4849988 |
Apparatus and method for measuring the quality of steam |
Jul. 18, 1989 |
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