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DIFF Subgroup
C23C 2/30

Fluxes or coverings on molten baths (C23C2/22 takes precedence)

Introduced: January 1985

Title

Titles differ between systems:

IPC: Fluxes or coverings on molten baths

CPC: Fluxes or coverings on molten baths (C23C2/22 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor > Fluxes or coverings on molten baths

CPC:

Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor > Fluxes or coverings on molten baths (C23C2/22 takes precedence)

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class C23,2013–2023, worldwide · Source: EPO PATSTAT

  1. APPLIED MATERIALS US 8,096
  2. TOKYO ELECTRON JP 3,985
  3. CHINESE ACADEMY OF SCIENCES 2,842
  4. LAM RESEARCH CORPORATION US 2,654
  5. TOKYO ELECTRON 2,540
  6. NIPPON STEEL CORPORATION JP 2,465
  7. JFE STEEL JP 2,368
  8. ASM IP HOLDING NL 2,092
  9. APPLIED MATERIALS 1,877
  10. POSCO (POHANG IRON AND STEEL COMPANY) KR 1,782

Top Applicants (CPC)

Class C23,2013–2023, worldwide · Source: EPO PATSTAT

  1. APPLIED MATERIALS US 10,596
  2. TOKYO ELECTRON JP 5,229
  3. LAM RESEARCH CORPORATION US 3,622
  4. NIPPON STEEL CORPORATION JP 3,171
  5. JFE STEEL JP 3,128
  6. ASM IP HOLDING NL 2,722
  7. ARCELORMITTAL LU 2,481
  8. TOKYO ELECTRON 2,359
  9. APPLIED MATERIALS 2,284
  10. CHINESE ACADEMY OF SCIENCES 2,110