DIFF Main Group
B03C 3/00 Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
Introduced: September 1968
Additional Content IPC
Exhaust or silencing apparatus for machines or engines having means for removing solid constituents of exhaust, using electric or electrostatic separators
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
Child Classifications
Navigate with arrow keys, Enter to open
- B03C 3/01 Pretreatment of the gases prior to electrostatic precipitation IPC+CPC Available in IPC and CPC
- B03C 3/017 Combinations of electrostatic separation with other processes, not otherwise provided for since 1995 +1 CPC IPC+CPC Available in IPC and CPC
- B03C 3/02 Plant or installations having external electricity supply +1 CPC IPC+CPC Available in IPC and CPC
- B03C 3/28 Plant or installations without electricity supply, e.g. using electrets IPC+CPC Available in IPC and CPC
- B03C 3/34 Constructional details or accessories or operation thereof IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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