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CPC Subgroup Additional Only
F25J 2200/70

Refluxing the column with a condensed part of the feed stream, i.e. fractionator top is stripped or self-rectified

Full Title

Processes or apparatus using separation by rectification > Refluxing the column with a condensed part of the feed stream, i.e. fractionator top is stripped or self-rectified

Top Applicants

Top 10 applicants by patent filingsfor class F25, 2013–2023, worldwide · Source: EPO PATSTAT

  1. LG ELECTRONICS KR 9,415
  2. HAIER SMART HOME 8,015
  3. MITSUBISHI ELECTRIC CORPORATION JP 5,758
  4. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,827
  5. MIDEA 3,769
  6. GREE ELECTRIC APPLIANCES 3,417
  7. HAIER SMART HOME CN 3,403
  8. SAMSUNG ELECTRONICS COMPANY KR 3,329
  9. DAIKIN INDUSTRIES JP 2,908
  10. HEFEI MIDEA REFRIGERATOR COMPANY 2,186