IPC Subgroup
B21F 27/12 Making special types or portions of network by methods or means specially adapted therefor
Introduced: September 1968
Last revised: January 2006
Full Title
Making wire network, i.e. wire nets > Making special types or portions of network by methods or means specially adapted therefor
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- WORKING OR PROCESSING OF METAL WIRE
5 direct subcodes
Child Classifications
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- B21F 27/14 Specially bending or deforming free wire ends
- B21F 27/16 for spring mattresses
- B21F 27/18 of meshed work for filters or sieves
- B21F 27/2 of plaster-carrying network
- B21F 27/22 of network for wire-reinforced glass or the like
Top Applicants
Top 10 applicants by patent filingsfor 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