Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F16J 3/02

Diaphragms

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Diaphragms; Bellows; Bellows pistons > Diaphragms

CPC:

Diaphragms; Bellows; Bellows pistons (connection of valves to inflatable elastic bodies B60C29/00; bellows or the like used in instruments G12B1/04; diaphragms for electromechanical transducers H04R7/00) > Diaphragms

No child classifications to compare. This is a leaf node in both IPC and CPC.