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CPC Subgroup Additional Only
C02F 2201/001

Build in apparatus for autonomous on board water supply and wastewater treatment (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space stations)

Full Title

Apparatus for treatment of water, waste water or sewage > Build in apparatus for autonomous on board water supply and wastewater treatment (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space stations)

Top Applicants

Top 10 applicants by patent filingsfor class C02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 2,531
  2. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 1,700
  3. KURITA WATER IND JP 1,287
  4. TONGJI UNIVERSITY 1,040
  5. CHANGZHOU UNIVERSITY 928
  6. ECOLAB US 904
  7. HARBIN INSTITUTE OF TECHNOLOGY 904
  8. BEIJING UNIVERSITY OF TECHNOLOGY 878
  9. HOHAI UNIVERSITY 862
  10. EVOQUA WATER TECHNOLOGIES US 842