characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F01P9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point

Introduced: September 1968

Title

Titles differ between systems:

IPC: characterised by evaporation and condensation of coolant in closed cycles; characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point

CPC: characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F01P9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point

Full Title

Full titles differ between systems:

IPC:

Liquid cooling > characterised by evaporation and condensation of coolant in closed cycles; characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point

CPC:

Liquid cooling > characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F01P9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point

Of 6 combined children, 0 exist in both systems.

6 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

Child Classifications

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F01P 2003/2214 2nd only +7 CPC CPC only CPC only
F01P 2003/2278 2nd only CPC only CPC only
F01P 2003/2292 2nd only CPC only CPC only
F01P 3/2207 CPC only CPC only
F01P 3/2271 CPC only CPC only
F01P 3/2285 CPC only CPC only

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