for feeding gas or vapour

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Component parts of trickle coolers > for feeding gas or vapour

CPC:

Component parts of trickle coolers (arrangements for increasing heat transfer F28F13/00; controlling arrangements F28F27/00) > for feeding gas or vapour

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

Child Classifications

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F28F 25/12 Ducts; Guide vanes, e.g. for carrying currents to distinct zones IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F28,2013–2023, worldwide · Source: EPO PATSTAT

VALEO SYSTEMES THERMIQUES FR 1,902
MITSUBISHI ELECTRIC CORPORATION JP 1,327
GREE ELECTRIC APPLIANCES 1,152
MAHLE INTERNATIONAL DE 999
ALFA LAVAL SE 960
HANON SYSTEMS KR 917
DENSO CORPORATION 905
DENSO CORPORATION JP 802
CHINESE ACADEMY OF SCIENCES 787
XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 762

Top Applicants (CPC)

Class F28,2013–2023, worldwide · Source: EPO PATSTAT

VALEO SYSTEMES THERMIQUES FR 1,945
MITSUBISHI ELECTRIC CORPORATION JP 1,518
MAHLE INTERNATIONAL DE 1,120
ALFA LAVAL SE 1,085
HANON SYSTEMS KR 939
DENSO CORPORATION JP 900
LG ELECTRONICS KR 861
HAMILTON SUNDSTRAND US 795
DAIKIN INDUSTRIES JP 608
DENSO CORPORATION 537