IPC Main Group
B21G 3/00 Making pins, nails, or the like
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- MAKING NEEDLES, PINS OR NAILS OF METAL
Filing statistics
IPC B21G 3/00 belongs to the parent subclass B21G, which recorded 1,702 patent applications worldwide between 2013 and 2023. Annual filings grew from 113 in 2013 to 140 in 2023 (+24%), peaking at 252 applications in 2020. The most active applicants in class B21 are JFE STEEL (2,318 applications), JFE STEEL (2,294 applications) and POSCO (POHANG IRON AND STEEL COMPANY) (2,083 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
making BRADSCUTTING wire in the making of pins or nailsmaking NAIL(S)
9 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B21G 3/02 of pins of the kind used in the tailoring trade or the household
- B21G 3/06 of nails with shoulders
- B21G 3/08 of nails with head and two or more shanks or split shanks
- B21G 3/1 of undulated nails or pins
- B21G 3/12 Upsetting; Forming heads
- B21G 3/14 Reducing diameter of parts otherwise than by rolling
- B21G 3/16 Pointing, with or without cutting
- B21G 3/18 by operations not restricted to one of the groups
- B21G 3/32 Feeding material to be worked to nail or pin making machines
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