CPC Subgroup
B03C 3/04 dry type
Full Title
Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect > Plant or installations having external electricity supply > dry type
6 direct subcodes
Child Classifications
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- B03C 3/06 characterised by presence of stationary tube electrodes
- B03C 3/08 characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
- B03C 3/09 characterised by presence of stationary flat electrodes arranged with their flat surfaces at right angles to the gas stream
- B03C 3/10 characterised by presence of electrodes moving during separating action
- B03C 3/12 characterised by separation of ionising and collecting stations
- B03C 3/14 characterised by the additional use of mechanical effects, e.g. gravity (B03C3/32 takes precedence)
Top Applicants
Top 10 applicants by patent filingsfor class B03, 2013–2023, worldwide · Source: EPO PATSTAT
- CENTRAL SOUTH UNIVERSITY 405
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY 310
- KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 303
- SHANGHAI BIXIUFU ENTERPRISE MANAGEMENT COMPANY CN 296
- OUTOTEC (FINLAND) FI 252
- LG ELECTRONICS KR 234
- CIDRA CORPORATE SERVICES US 232
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 218
- ADEY HOLDINGS (2008) GB 169
- FLSMIDTH DK 166