B21F 19/00 Metallic coating of wire (by extruding B21C23/24; by soldering or welding, e.g. cladding or plating, B23K)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Metallic coating of wire
CPC: Metallic coating of wire (by extruding B21C23/24; by soldering or welding, e.g. cladding or plating, B23K)
Full Title
Full titles differ between systems:
Metallic coating of wire
Metallic coating of wire (by extruding B21C23/24; by soldering or welding, e.g. cladding or plating, B23K)
Additional Content IPC
Covering indefinite lengths of metal or non-metal material with a metal coating Soldering or unsoldering; Welding; Cladding or plating by soldering or welding; Cutting by applying heat locally, e.g. flame cutting; Working by laser beam
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
Class B21,2013–2023, worldwide · Source: EPO PATSTAT
- JFE STEEL 2,318
- JFE STEEL JP 2,294
- POSCO (POHANG IRON AND STEEL COMPANY) KR 2,083
- NIPPON STEEL CORPORATION JP 1,650
- NSSMC (NIPPON STEEL & SUMITOMO METAL) JP 1,631
- SMS GROUP DE 1,472
- BAOSHAN IRON & STEEL COMPANY 1,181
- SGCC(STATE GRID CORPORATION OF CHINA) 1,079
- ANHUI JIANGHUAI AUTOMOBILE 984
- HYUNDAI STEEL COMPANY KR 980
Top Applicants (CPC)
Class B21,2013–2023, worldwide · Source: EPO PATSTAT
- JFE STEEL JP 2,667
- NIPPON STEEL CORPORATION JP 2,049
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,967
- NSSMC (NIPPON STEEL & SUMITOMO METAL) JP 1,800
- SMS GROUP DE 1,538
- JFE STEEL 1,150
- ARCELORMITTAL LU 1,142
- BAOSHAN IRON & STEEL COMPANY 821
- HYUNDAI STEEL COMPANY KR 808
- THYSSENKRUPP STEEL EUROPE DE 660