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CPC Main Group Additional Only
C02F 2307/00

Location of water treatment or water treatment device

7 direct subcodes

Child Classifications

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  • C02F 2307/02 as part of a bottle
  • C02F 2307/04 as part of a pitcher or jug
  • C02F 2307/06 Mounted on or being part of a faucet, shower handle or showerhead
  • C02F 2307/08 Treatment of wastewater in the sewer, e.g. to reduce grease, odour
  • C02F 2307/10 as part of a potable water dispenser, e.g. for use in homes or offices
  • C02F 2307/12 as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners
  • C02F 2307/14 Treatment of water in water supply networks, e.g. to prevent bacterial growth

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