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CPC Subgroup
B08B 9/20

by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought

Full Title

Cleaning hollow articles by methods or apparatus specially adapted thereto > Cleaning containers, e.g. tanks > by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought

7 direct subcodes

Child Classifications

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  • B08B 9/36 the apparatus cleaning by using brushes
  • B08B 9/38 the apparatus cleaning by using scrapers, chains, grains of shot, sand or other abrasive means (abrasive blasting in general B24C)
  • B08B 9/40 the apparatus cleaning by burning out

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