DIFF Subgroup
F16K 1/50 Preventing rotation of valve members
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces > Details > Preventing rotation of valve members
CPC:
Lift valves , i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces ( ; diaphragm valves F16K7/00) > Details (details of more general applicability F16K25/00 - F16K51/00) > Preventing rotation of valve members
No child classifications to compare. This is a leaf node in both IPC and CPC.