acting directly on the substance being separated

Full Title

Magnetic separation > acting directly on the substance being separated

Filing statistics

CPC B03C 1/02 belongs to the parent subclass B03C, which recorded 31,675 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,491 in 2013 to 2,894 in 2023 (+94%), peaking at 4,105 applications in 2020. 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

11 direct subcodes

Child Classifications

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B03C 1/021 Separation using Meissner effect, i.e. deflection of superconductive particles in a magnetic field
B03C 1/023 Separation using Lorentz force, i.e. deflection of electrically charged particles in a magnetic field
B03C 1/025 High gradient magnetic separators
B03C 1/035 Open gradient magnetic separators, i.e. separators in which the gap is unobstructed, characterised by the configuration of the gap
B03C 1/04 with the material carriers in the form of trays or with tables
B03C 1/10 with cylindrical material carriers (B03C1/247 takes precedence)
B03C 1/16 with material carriers in the form of belts
B03C 1/23 with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp
B03C 1/26 with free falling material (B03C1/035 takes precedence)
B03C 1/28 Magnetic plugs and dipsticks
B03C 1/30 Combinations with other devices, not otherwise provided for

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