CPC Main Group
B03D 1/00 Flotation (conditioning for flotation, general arrangement of plan B03B)
Filing statistics
CPC B03D 1/00 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
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B03D 1/001 Flotation agents (conditioners B03B1/00)
- B03D 1/02 Froth-flotation processes
- B03D 1/08 Subsequent treatment of concentrated product (froth dispersion B01D19/02)
- B03D 1/12 Agent recovery
- B03D 1/14 Flotation machines (devices for feeding measured quantities of reagents B01J4/02; flotation apparatus for enzymology or microbiology C12M1/09)
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