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PCE
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CPC Subgroup Additional Only
B08B 2209/032

by the mechanical action of a moving fluid

Full Title

Details of machines or methods for cleaning hollow articles > Details of apparatuses or methods for cleaning pipes or tubes > for cleaning the internal surfaces > by the mechanical action of a moving fluid

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