IPC Main Group
A44C 17/00 Gems or the like
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- HABERDASHERY; JEWELLERY
- Subclass:
- PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
Related Keywords
PRECIOUS [stones]SETTING gems
2 direct subcodes
Child Classifications
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- A44C 17/02 Settings for holding gems
- A44C 17/04 Setting gems in jewellery; Setting-tools
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