with tripping-gear (for oscillatory valves F01L31/06); Tripping of valves

Introduced: September 1968

Title

Titles differ between systems:

IPC: with tripping-gear; Tripping of valves

CPC: with tripping-gear (for oscillatory valves F01L31/06); Tripping of valves

Full Title

Full titles differ between systems:

IPC:

Valve drive, valve adjustment during operation, or other valve control, not provided for in groups > with tripping-gear; Tripping of valves

CPC:

Valve drive, valve adjustment during operation, or other valve control, not provided for in groups F01L15/00 - F01L29/00 (sensing elements measuring the variable or condition to be controlled or regulated F01B25/04) > with tripping-gear (for oscillatory valves F01L31/06); Tripping of valves

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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F01L 31/04 with positively-driven trip levers IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F01,2013–2023, worldwide · Source: EPO PATSTAT

GE (GENERAL ELECTRIC COMPANY) US 8,496
UNITED TECHNOLOGIES CORPORATION (UTC) US 7,291
SAFRAN AIRCRAFT ENGINES FR 5,503
TOYOTA MOTOR CORPORATION 4,556
SIEMENS DE 3,992
HYUNDAI MOTOR COMPANY KR 3,929
RAYTHEON TECHNOLOGIES CORPORATION US 3,534
FORD GLOBAL TECHNOLOGIES US 3,407
TOYOTA MOTOR CORPORATION JP 3,042
WEICHAI POWER COMPANY 2,888

Top Applicants (CPC)

Class F01,2013–2023, worldwide · Source: EPO PATSTAT

GE (GENERAL ELECTRIC COMPANY) US 9,989
UNITED TECHNOLOGIES CORPORATION (UTC) US 8,110
SAFRAN AIRCRAFT ENGINES FR 6,248
HYUNDAI MOTOR COMPANY KR 4,530
SIEMENS DE 4,461
FORD GLOBAL TECHNOLOGIES US 4,029
RAYTHEON TECHNOLOGIES CORPORATION US 3,947
TOYOTA MOTOR CORPORATION JP 3,734
GE (GENERAL ELECTRIC COMPANY) 3,415
SCHAEFFLER TECHNOLOGIES & COMPANY DE 3,063