IPC Subgroup
B03C 3/14 characterised by the additional use of mechanical effects, e.g. gravity
Introduced: September 1968
Last revised: January 2006
Full Title
Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect > Plant or installations having external electricity supply > dry type > characterised by the additional use of mechanical effects, e.g. gravity
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
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B03C 3/145 Inertia
- B03C 3/15 Centrifugal forces
- B03C 3/155 Filtration
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