DIFF Subgroup
A44B 19/50 Securing one-piece interlocking members
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Slide fasteners > Making by processes not fully provided for in one other class, e.g. , , , > Securing metal interlocking members to ready-made stringer tapes > Securing one-piece interlocking members
CPC:
Slide fasteners > Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00 > Securing metal interlocking members to ready-made stringer tapes (making metal slide fastener parts combined with attaching B21D53/52) > Securing one-piece interlocking members
No child classifications to compare. This is a leaf node in both 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