A44D INDEXING SCHEME RELATING TO BUTTONS, PINS, BUCKLES OR SLIDE FASTENERS, AND TO JEWELLERY, BRACELETS OR OTHER PERSONAL ADORNMENTS
Description
A44D is an indexing classification that organizes fastening devices and personal adornments used in clothing and accessories. It covers buttons, pins, buckles, slide fasteners (zippers), and decorative items such as jewellery, bracelets, and other ornamental articles worn on the body. This subclass serves as an organizational tool for related inventions in haberdashery and personal accessories rather than defining a specific technical field. Related specific technologies are classified in the detailed classes and subclasses beneath A44D.
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Note: 5 CPC extensions are marked as secondary classification only.
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