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PCE
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CPC Subgroup Additional Only
B08B 2215/003

with the assistance of blowing nozzles

Full Title

Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area > with the assistance of blowing nozzles

Top Applicants

Top 10 applicants by patent filingsfor class B08, 2013–2023, worldwide · Source: EPO PATSTAT

  1. TOKYO ELECTRON JP 982
  2. SCREEN HOLDINGS JP 980
  3. APPLIED MATERIALS US 739
  4. SGCC(STATE GRID CORPORATION OF CHINA) 721
  5. SEMES COMPANY KR 691
  6. ECOLAB US 515
  7. SCREEN HOLDINGS 510
  8. TOKYO ELECTRON 505
  9. PHILIPS ELECTRONICS NL 493
  10. EBARA CORPORATION JP 475