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CPC Main Group Additional Only
B03C 2201/00

Details of magnetic or electrostatic separation

Filing statistics

CPC B03C 2201/00 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

16 direct subcodes

Child Classifications

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  • B03C 2201/02 Electrostatic separation of liquids from liquids
  • B03C 2201/04 Ionising electrode being a wire
  • B03C 2201/06 Ionising electrode being a needle
  • B03C 2201/08 Ionising electrode being a rod
  • B03C 2201/10 Ionising electrode with two or more serrated ends or sides
  • B03C 2201/12 Cleaning the device by burning the trapped particles
  • B03C 2201/14 the gas being moved electro-kinetically
  • B03C 2201/16 Magnetic separation of gases from gases, e.g. oxygen from air
  • B03C 2201/18 Magnetic separation whereby the particles are suspended in a liquid
  • B03C 2201/20 Magnetic separation of bulk or dry particles in mixtures
  • B03C 2201/22 characterised by the magnetic field, e.g. its shape or generation
  • B03C 2201/24 for measuring or calculating of parameters, e.g. efficiency
  • B03C 2201/26 for use in medical or biological applications
  • B03C 2201/28 Parts being designed to be removed for cleaning purposes
  • B03C 2201/30 for use in or with vehicles
  • B03C 2201/32 Checking the quality of the result or the well-functioning of the device

Top Applicants

Top 10 applicants by patent filingsfor class B03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CENTRAL SOUTH UNIVERSITY 405
  2. CHINA UNIVERSITY OF MINING AND TECHNOLOGY 310
  3. KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 303
  4. SHANGHAI BIXIUFU ENTERPRISE MANAGEMENT COMPANY CN 296
  5. OUTOTEC (FINLAND) FI 252
  6. LG ELECTRONICS KR 234
  7. CIDRA CORPORATE SERVICES US 232
  8. BASF (BADISCHE ANILIN & SODA FABRIK) DE 218
  9. ADEY HOLDINGS (2008) GB 169
  10. FLSMIDTH DK 166