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DIFF Subgroup
B03C 3/14

characterised by the additional use of mechanical effects, e.g. gravity (B03C3/32 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: characterised by the additional use of mechanical effects, e.g. gravity

CPC: characterised by the additional use of mechanical effects, e.g. gravity (B03C3/32 takes precedence)

Full Title

Full titles differ between systems:

IPC:

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

CPC:

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 (B03C3/32 takes precedence)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 1995.

Child Classifications

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  • B03C 3/145 Inertia since 1995 IPC+CPC Available in IPC and CPC
  • B03C 3/15 Centrifugal forces since 1995 IPC+CPC Available in IPC and CPC
  • B03C 3/155 Filtration since 1995 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B03,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINA UNIVERSITY OF MINING AND TECHNOLOGY 535
  2. CENTRAL SOUTH UNIVERSITY 526
  3. KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 510
  4. OUTOTEC (FINLAND) FI 255
  5. GREE ELECTRIC APPLIANCES 231
  6. LG ELECTRONICS KR 214
  7. JIANGXI UNIVERSITY OF SCIENCE AND TECHNOLOGY 214
  8. BASF (BADISCHE ANILIN & SODA FABRIK) DE 213
  9. SHANGHAI BIXIUFU ENTERPRISE MANAGEMENT COMPANY CN 208
  10. NORTHEASTERN UNIVERSITY 196

Top Applicants (CPC)

Class B03,2013–2023, worldwide · Source: EPO PATSTAT

  1. CENTRAL SOUTH UNIVERSITY 405
  2. CHINA UNIVERSITY OF MINING AND TECHNOLOGY 310
  3. KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 303
  4. SHANGHAI BIXIUFU ENTERPRISE MANAGEMENT COMPANY CN 296
  5. OUTOTEC (FINLAND) FI 252
  6. LG ELECTRONICS KR 234
  7. CIDRA CORPORATE SERVICES US 232
  8. BASF (BADISCHE ANILIN & SODA FABRIK) DE 218
  9. ADEY HOLDINGS (2008) GB 169
  10. FLSMIDTH DK 166