DIFF Subgroup
F16K 1/14 with ball-shaped valve member (check valves F16K15/04)
Introduced: September 1968
Title
Titles differ between systems:
IPC: with ball-shaped valve members
CPC: with ball-shaped valve member (check valves F16K15/04)
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 > with ball-shaped 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) > with ball-shaped valve member (check valves F16K15/04)
No child classifications to compare. This is a leaf node in both IPC and CPC.