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CPC Main Group Additional Only
F28F 2215/00

Fins

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