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CPC Subgroup Additional Only
F25J 2215/56

Ultra high purity oxygen, i.e. generally more than 99,9% O2

Full Title

Processes characterised by the type or other details of the product stream > Oxygen or special cases, e.g. isotope-mixtures or low purity O2 > Ultra high purity oxygen, i.e. generally more than 99,9% O2

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