CPC Subgroup Additional Only
B03D 2203/02 Ores
Full Title
Specified materials treated by the flotation agents; Specified applications > Ores
Filing statistics
CPC B03D 2203/02 belongs to the parent subclass B03D, which recorded 9,906 patent applications worldwide between 2013 and 2023. Annual filings grew from 518 in 2013 to 1,012 in 2023 (+95%), peaking at 1,136 applications in 2018. The most active applicants in class B03 are CENTRAL SOUTH UNIVERSITY (405 applications), CHINA UNIVERSITY OF MINING AND TECHNOLOGY (310 applications) and KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) (303 applications).
Source: EPO PATSTAT, worldwide filings
2 direct subcodes
Child Classifications
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- B03D 2203/025 Precious metal ores
- B03D 2203/04 Non-sulfide ores
Top Applicants
Top 10 applicants by patent filingsfor class B03, 2013–2023, worldwide · Source: EPO PATSTAT
- CENTRAL SOUTH UNIVERSITY 405
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY 310
- KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 303
- SHANGHAI BIXIUFU ENTERPRISE MANAGEMENT COMPANY CN 296
- OUTOTEC (FINLAND) FI 252
- LG ELECTRONICS KR 234
- CIDRA CORPORATE SERVICES US 232
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 218
- ADEY HOLDINGS (2008) GB 169
- FLSMIDTH DK 166