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CPC Subgroup Additional Only
Y10S 165/338

Nested or concentric members define annular air draft passage and heating or cooling conduit

Full Title

Heat exchange > Thermosyphonic having vertical air draft passage > Heating or cooling means entirely surrounded by air draft passage forming casing > Nested or concentric members define annular air draft passage and heating or cooling conduit

1 direct subcode

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor 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