US PATENT SUBCLASS 702 / 50
.~.~ Fluid measurement (e.g., mass, pressure, viscosity)

Current as of: June, 1999
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702 /   HD   DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING

1  DF  MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT {6}
33  DF  .~ Mechanical measurement system {6}
50.~.~ Fluid measurement (e.g., mass, pressure, viscosity) {5}
51  DF  .~.~.~> Leak detecting
52  DF  .~.~.~> Capacitive sensor
53  DF  .~.~.~> Resistive sensor
54  DF  .~.~.~> Acoustic or vibration sensor
55  DF  .~.~.~> Liquid level or volume determination

DEFINITION

Classification: 702/50

Fluid measurement (e.g., mass, pressure, viscosity):

(under subclass 33) Subject matter wherein the measurement system or process is designed for or utilized to determine a physical property or characteristic of a fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

12+, for fluid investigation in well logging or borehole.

45+, for flow metering.

100, for fluid or fluid flow compensation or correction system.

114, for testing of a pneumatic or hydraulic system.

SEE OR SEARCH CLASS

73, Measuring and Testing,

521, for speed, velocity, or acceleration of fluid, and subclass 861.18 for volume or rate of flow determination by vibration or acoustic energy.

364, Electrical Computers and Data Processing Systems,

528.17+, for flow control, and subclass 528.16 for fluid level or volume control.