CPC Subgroup
C23F 13/06 Constructional parts, or assemblies of cathodic-protection apparatus
Full Title
Inhibiting corrosion of metals by anodic or cathodic protection > cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions > Constructional parts, or assemblies of cathodic-protection apparatus
1 direct subcode
Child Classifications
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- C23F 13/08 Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
Top Applicants
Top 10 applicants by patent filingsfor class C23, 2013–2023, worldwide · Source: EPO PATSTAT
- APPLIED MATERIALS US 10,596
- TOKYO ELECTRON JP 5,229
- LAM RESEARCH CORPORATION US 3,622
- NIPPON STEEL CORPORATION JP 3,171
- JFE STEEL JP 3,128
- ASM IP HOLDING NL 2,722
- ARCELORMITTAL LU 2,481
- TOKYO ELECTRON 2,359
- APPLIED MATERIALS 2,284
- CHINESE ACADEMY OF SCIENCES 2,110