Which controls a vacuum tube or solid-state device in motor circuit

Full Title

Electricity: motor control systems > Specific feedback condition or device > Centrifugal device, e.g. governor > Which controls a vacuum tube or solid-state device in motor circuit

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Top Applicants

Top Applicants (CPC)

Class Y10,2013–2023, worldwide · Source: EPO PATSTAT

BOEING COMPANY US 2,373
FORD GLOBAL TECHNOLOGIES US 2,244
HYUNDAI MOTOR COMPANY KR 2,186
TOYOTA MOTOR CORPORATION JP 1,997
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,837
GE (GENERAL ELECTRIC COMPANY) US 1,794
SAMSUNG ELECTRONICS COMPANY KR 1,705
CORNING US 1,569
TOYOTA MOTOR CORPORATION 1,403
LG CHEM KR 1,364