IPC Main Group
A44B 13/00 Hook or eye fasteners
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- HABERDASHERY; JEWELLERY
- Subclass:
- BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
Filing statistics
IPC A44B 13/00 belongs to the parent subclass A44B, which recorded 31,954 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,352 in 2013 to 2,613 in 2023 (+11%), peaking at 3,432 applications in 2017. The most active applicants in class A44 are YOSHIDA KOGYO (1,597 applications), YOSHIDA KOGYO (1,058 applications) and ZHEJIANG WEIXING INDUSTRIAL DEVELOPMENT COMPANY (596 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
hook-and- EYE(S) dress fastenersHOOK(S) -and-eye dress fastenersHOOK(S) -and-loop fastenersTOUCH-AND-CLOSE [fasteners]
1 direct subcode
Child Classifications
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- A44B 13/02 with spring closure of hook
Top Applicants
Top 10 applicants by patent filingsfor class A44, 2013–2023, worldwide · Source: EPO PATSTAT
- YOSHIDA KOGYO JP 1,597
- YOSHIDA KOGYO 1,058
- ZHEJIANG WEIXING INDUSTRIAL DEVELOPMENT COMPANY 596
- FUJIAN SBS ZIPPER SCIENCE & TECHNOLOGY COMPANY 471
- GOERTEK TECHNOLOGY COMPANY 462
- GUANGDONG XIAOTIANCAI TECHNOLOGY COMPANY 408
- THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 278
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 267
- OMEGA CH 194
- APPLE US 187