by using thermal effects

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow > by using thermal effects

CPC:

Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow (measuring a proportion of the volume flow G01F5/00) > by using thermal effects

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1995.

Child Classifications

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G01F 1/684 Structural arrangements; Mounting of elements, e.g. in relation to fluid flow since 1995 +3 CPC IPC+CPC Available in IPC and CPC
G01F 1/696 Circuits therefor, e.g. constant-current flow meters since 1995 +1 CPC IPC+CPC Available in IPC and CPC