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PCE
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CPC Subgroup
B07B 7/083

generated by rotating vanes, discs, drums, or brushes

Full Title

Selective separation of solid materials carried by, or dispersed in, gas currents (sieves or filters for separating dispersed particles from gases or vapours B01D) > using centrifugal force (centrifuges B04B; cyclones B04C) > generated by rotating vanes, discs, drums, or brushes

Top Applicants

Top 10 applicants by patent filingsfor class B07, 2013–2023, worldwide · Source: EPO PATSTAT

  1. DERRICK CORPORATION US 427
  2. SOLYSTIC FR 370
  3. M-I SWACO US 223
  4. SATAKE CORPORATION JP 190
  5. ANHUI JIEXUN OPTOELECTRONIC TECHNOLOGY COMPANY 186
  6. SIEMENS DE 175
  7. UNITED STATES POSTAL SERVICE US 158
  8. ANHUI UNIVERSITY OF SCIENCE & TECHNOLOGY 156
  9. UNITEC IT 150
  10. XINXIANG ZHEN YING MACHINERY EQUIPMENT COMPANY 149