(under subclass 861) Devices for separating from a main flow a definite proportion thereof and metering such separated portion as a measure of the volume or rate of the main flow.
SEE OR SEARCH THIS CLASS, SUBCLASS:
254, for rotary piston and cylinder meters with a compensating by-pass.
152.29+, for a flowmeter for determining a characteristic of a borehole, a casing, or a drill rigging.
SEE OR SEARCH CLASS
137, Fluid Handling, 98+, particularly subclass 101 for flow dividers, per se, which are self-proportioning, and subclasses 599+ and 861+ for other flow dividers, per se.
