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CPC Subgroup
B08B 5/04

Cleaning by suction, with or without auxiliary action

Full Title

Cleaning by methods involving the use of air flow or gas flow (cleaning hollow articles by methods or apparatus specially adapted thereto B08B9/00) > Cleaning by suction, with or without auxiliary action

1 direct subcode

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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