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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F16K 31/20 actuating a lift valve IPC+CPC Available in IPC and CPC
F16K 31/30 actuating a gate valve or sliding valve IPC+CPC Available in IPC and CPC
F16K 31/32 actuating a tap or cock IPC+CPC Available in IPC and CPC
F16K 31/34 acting on pilot valve controlling the cut-off apparatus IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
TOYOTA MOTOR CORPORATION 7,215
HYUNDAI MOTOR COMPANY KR 6,846
ROBERT BOSCH DE 6,106
NTN CORPORATION 5,305
SKF SE 4,219
KIA MOTORS CORPORATION KR 3,852
NSK 3,850
HONDA MOTOR COMPANY 3,639

Top Applicants (CPC)

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
HYUNDAI MOTOR COMPANY KR 7,933
ROBERT BOSCH DE 7,059
KIA MOTORS CORPORATION KR 4,867
SKF SE 4,729
TOYOTA MOTOR CORPORATION JP 4,111
FORD GLOBAL TECHNOLOGIES US 3,838
GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
TOYOTA MOTOR CORPORATION 3,499