DIFF Main Group
A44B 19/00 Slide fasteners
Introduced: September 1968
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- A44B 19/02 with a series of separate interlocking members secured to each stringer tape IPC+CPC Available in IPC and CPC
- A44B 19/10 with a one-piece interlocking member on each stringer tape IPC+CPC Available in IPC and CPC
- A44B 19/18 with a third member or members, other than the slider, connected to the edges of adjacent stringers when closed, e.g. third member moved into position by a slider IPC+CPC Available in IPC and CPC
- A44B 19/42 Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class A44,2013–2023, worldwide · Source: EPO PATSTAT
- YOSHIDA KOGYO JP 1,555
- YOSHIDA KOGYO 888
- THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 358
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 314
- APPLE US 234
- OMEGA CH 216
- GOERTEK TECHNOLOGY COMPANY 189
- APLIX FR 176
- FIDLOCK DE 149
- SAMSUNG ELECTRONICS COMPANY KR 145