Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
B21D 53/5

metal slide-fastener parts

Introduced: September 1968

Last revised: January 2006

Full Title

Making other particular articles > haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples > metal slide-fastener parts

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
Subclass:
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL

Related Keywords

making SLIDE(S) fasteners parts from metal

3 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • B21D 53/52 fastener elements; Attaching such elements so far as this procedure is combined with the process for making the elements
  • B21D 53/54 slides
  • B21D 53/56 stops

Top Applicants

Top 10 applicants by patent filingsfor class B21, 2013–2023, worldwide · Source: EPO PATSTAT

  1. JFE STEEL 2,318
  2. JFE STEEL JP 2,294
  3. POSCO (POHANG IRON AND STEEL COMPANY) KR 2,083
  4. NIPPON STEEL CORPORATION JP 1,650
  5. NSSMC (NIPPON STEEL & SUMITOMO METAL) JP 1,631
  6. SMS GROUP DE 1,472
  7. BAOSHAN IRON & STEEL COMPANY 1,181
  8. SGCC(STATE GRID CORPORATION OF CHINA) 1,079
  9. ANHUI JIANGHUAI AUTOMOBILE 984
  10. HYUNDAI STEEL COMPANY KR 980