IPC Subgroup
A44B 11/02 frictionally engaging surface of straps
Introduced: September 1968
Last revised: January 2006
Full Title
Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts > frictionally engaging surface of straps
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- HABERDASHERY; JEWELLERY
- Subclass:
- BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
4 direct subcodes
Child Classifications
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- A44B 11/04 without movable parts
- A44B 11/06 with clamping devices
- A44B 11/16 Strap held by spring action
- A44B 11/18 Strap held by threading through linked rings
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