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DIFF Main Group
F28F 25/00

Component parts of trickle coolers (arrangements for increasing heat transfer F28F13/00; controlling arrangements F28F27/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Component parts of trickle coolers

CPC: Component parts of trickle coolers (arrangements for increasing heat transfer F28F13/00; controlling arrangements F28F27/00)

Full Title

Full titles differ between systems:

IPC:

Component parts of trickle coolers

CPC:

Component parts of trickle coolers (arrangements for increasing heat transfer F28F13/00; controlling arrangements F28F27/00)

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F28F 2025/005 2nd only CPC only CPC only

Top Applicants

Top Applicants (IPC)

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

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

Top Applicants (CPC)

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

  1. VALEO SYSTEMES THERMIQUES FR 1,945
  2. MITSUBISHI ELECTRIC CORPORATION JP 1,518
  3. MAHLE INTERNATIONAL DE 1,120
  4. ALFA LAVAL SE 1,085
  5. HANON SYSTEMS KR 939
  6. DENSO CORPORATION JP 900
  7. LG ELECTRONICS KR 861
  8. HAMILTON SUNDSTRAND US 795
  9. DAIKIN INDUSTRIES JP 608
  10. DENSO CORPORATION 537