CPC Subgroup Additional Only
C02F 2103/22 from the processing of animals, e.g. poultry, fish, or parts thereof
Full Title
Nature of the water, waste water, sewage or sludge to be treated > from the processing of animals, e.g. poultry, fish, or parts thereof
1 direct subcode
Child Classifications
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- C02F 2103/24 from tanneries
Top Applicants
Top 10 applicants by patent filingsfor class C02, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 2,531
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 1,700
- KURITA WATER IND JP 1,287
- TONGJI UNIVERSITY 1,040
- CHANGZHOU UNIVERSITY 928
- ECOLAB US 904
- HARBIN INSTITUTE OF TECHNOLOGY 904
- BEIJING UNIVERSITY OF TECHNOLOGY 878
- HOHAI UNIVERSITY 862
- EVOQUA WATER TECHNOLOGIES US 842