IPC Main Group
B03B 5/00 Washing granular, powdered or lumpy materials; Wet separating
Introduced: July 1974
Last revised: January 2006
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:
- SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
Related Keywords
BATEASBUDDLING-APPARATUSwashing GRANULARJIG(S) for separating materialswashing MINERAL(S)panning gold ORESPANNING gold oreswashing SANDSEPARATING of solids by dry methods using pneumatic tables or jigsWASHING of granular, powdered or lumpy materials
6 direct subcodes
Child Classifications
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- B03B 5/02 using shaken, pulsated or stirred beds as the principal means of separation
- B03B 5/28 by sink-float separation
- B03B 5/48 by mechanical classifiers
- B03B 5/6 by non-mechanical classifiers, e.g. slime tanks
- B03B 5/62 by hydraulic classifiers, e.g. of launder, tank, spiral or helical chute concentrator type
- B03B 5/68 by water impulse
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