Starting of machines or engines; Regulating, controlling, or safety means in connection therewith (warming-up before starting F01D25/10; turning or inching gear F01D25/34)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Starting of machines or engines; Regulating, controlling, or safety means in connection therewith

CPC: Starting of machines or engines; Regulating, controlling, or safety means in connection therewith (warming-up before starting F01D25/10; turning or inching gear F01D25/34)

Full Title

Full titles differ between systems:

IPC:

Starting of machines or engines; Regulating, controlling, or safety means in connection therewith

CPC:

Starting of machines or engines; Regulating, controlling, or safety means in connection therewith (warming-up before starting F01D25/10; turning or inching gear F01D25/34)

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

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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F01D 19/02 dependent on temperature of component parts, e.g. of turbine-casing 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