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CPC Main Group Additional Only
F28F 2215/00

Fins

Filing statistics

CPC F28F 2215/00 belongs to the parent subclass F28F, which recorded 83,812 patent applications worldwide between 2013 and 2023. Annual filings declined from 7,008 in 2013 to 6,475 in 2023 (-8%), peaking at 8,704 applications in 2017. The most active applicants in class F28 are VALEO SYSTEMES THERMIQUES (1,945 applications), MITSUBISHI ELECTRIC CORPORATION (1,518 applications) and MAHLE INTERNATIONAL (1,120 applications).

Source: EPO PATSTAT, worldwide filings

7 direct subcodes

Child Classifications

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  • F28F 2215/02 Arrangements of fins common to different heat exchange sections, the fins being in contact with different heat exchange media
  • F28F 2215/04 Assemblies of fins having different features, e.g. with different fin densities
  • F28F 2215/06 Hollow fins; fins with internal circuits
  • F28F 2215/08 with openings, e.g. louvers
  • F28F 2215/10 Secondary fins, e.g. projections or recesses on main fins
  • F28F 2215/12 with U-shaped slots for laterally inserting conduits
  • F28F 2215/14 in the form of movable or loose fins

Top Applicants

Top 10 applicants by patent filingsfor 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