B03C 1/3 Combinations with other devices, not otherwise provided for
Introduced: September 1968
Last revised: January 2006
Full Title
Magnetic separation > acting directly on the substance being separated > Combinations with other devices, not otherwise provided for
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- Subclass:
- MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
Filing statistics
IPC B03C 1/3 belongs to the parent subclass B03C, which recorded 74,934 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,063 in 2013 to 8,528 in 2023 (+178%), peaking at 10,145 applications in 2020. The most active applicants in class B03 are CHINA UNIVERSITY OF MINING AND TECHNOLOGY (535 applications), CENTRAL SOUTH UNIVERSITY (526 applications) and KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) (510 applications).
Source: EPO PATSTAT, worldwide filings
Top Applicants
Top 10 applicants by patent filingsfor class B03, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY 535
- CENTRAL SOUTH UNIVERSITY 526
- KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 510
- OUTOTEC (FINLAND) FI 255
- GREE ELECTRIC APPLIANCES 231
- LG ELECTRONICS KR 214
- JIANGXI UNIVERSITY OF SCIENCE AND TECHNOLOGY 214
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 213
- SHANGHAI BIXIUFU ENTERPRISE MANAGEMENT COMPANY CN 208
- NORTHEASTERN UNIVERSITY 196