with material carried by travelling fields

Introduced: September 1968

Last revised: January 2006

Full Title

Magnetic separation > acting directly on the substance being separated > 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 > with material carried by travelling fields

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

2 direct subcodes

Child Classifications

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B03C 1/247 obtained by a rotating magnetic drum
B03C 1/253 obtained by a linear motor

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