DIFF Subgroup
F16K 31/18 actuated by a float (floats F16K33/00; float-actuated valves in steam-traps F16T1/20, in boilers F22D5/08)
Introduced: September 1968
Title
Titles differ between systems:
IPC: actuated by a float
CPC: actuated by a float (floats F16K33/00; float-actuated valves in steam-traps F16T1/20, in boilers F22D5/08)
Full Title
Full titles differ between systems:
IPC:
Operating means; Releasing devices > actuated by fluid > actuated by a float
CPC:
Operating means; Releasing devices > actuated by fluid ( ; fluid-actuated check valves F16K15/00; fluid-actuated safety valves F16K17/00) > actuated by a float (floats F16K33/00; float-actuated valves in steam-traps F16T1/20, in boilers F22D5/08)
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
Child Classifications
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