Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
C23G 3/00

Apparatus for cleaning or pickling metallic material (with organic solvents C23G5/04)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Apparatus for cleaning or pickling metallic material

CPC: Apparatus for cleaning or pickling metallic material (with organic solvents C23G5/04)

Full Title

Full titles differ between systems:

IPC:

Apparatus for cleaning or pickling metallic material

CPC:

Apparatus for cleaning or pickling metallic material (with organic solvents C23G5/04)

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

Child Classifications

Navigate with arrow keys, Enter to open

  • C23G 3/04 for cleaning pipes IPC+CPC Available in 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