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DIFF Subgroup
B08B 1/50

involving cleaning of the cleaning members

Introduced: January 2024

Full Title

Full titles differ between systems:

IPC:

Cleaning by methods involving the use of tools > involving cleaning of the cleaning members

CPC:

Cleaning by methods involving the use of tools (cleaning hollow articles by methods or apparatus specially adapted thereto B08B9/00) > involving cleaning of the cleaning members

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2024.

Child Classifications

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  • B08B 1/52 using fluids since 2024 IPC+CPC Available in IPC and CPC
  • B08B 1/54 using mechanical tools since 2024 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B08,2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 1,817
  2. SCREEN HOLDINGS JP 591
  3. TOKYO ELECTRON JP 558
  4. CHONGQING RUNZE PHARMACEUTICAL COMPANY 547
  5. APPLIED MATERIALS US 506
  6. CHINESE ACADEMY OF SCIENCES 490
  7. SEMES COMPANY KR 464
  8. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 411
  9. ECOLAB US 380
  10. PETROCHINA COMPANY 369

Top Applicants (CPC)

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