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DIFF Subgroup Additional Only
Y10S 165/177

Film flows along upper surface of tray

Full Title

Heat exchange > including a means to form fluid film on heat transfer surface, e.g. trickle > Film flows along upper surface of tray

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

Note: 4 CPC extensions are marked as secondary classification only.

Top Applicants

Top Applicants (CPC)

Class Y10,2013–2023, worldwide · Source: EPO PATSTAT

  1. BOEING COMPANY US 2,373
  2. FORD GLOBAL TECHNOLOGIES US 2,244
  3. HYUNDAI MOTOR COMPANY KR 2,186
  4. TOYOTA MOTOR CORPORATION JP 1,997
  5. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,837
  6. GE (GENERAL ELECTRIC COMPANY) US 1,794
  7. SAMSUNG ELECTRONICS COMPANY KR 1,705
  8. CORNING US 1,569
  9. TOYOTA MOTOR CORPORATION 1,403
  10. LG CHEM KR 1,364