CPC Subgroup
A44B 1/18 adapted for special ways of fastening
Full Title
Buttons > adapted for special ways of fastening
9 direct subcodes
Child Classifications
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- A44B 1/20 attached by thread visible to the front
- A44B 1/22 attached by thread not visible to the front
- A44B 1/26 with resilient shank
- A44B 1/28 with shank and counterpiece
- A44B 1/38 Clamping by spring action
- A44B 1/40 with helical wire-shank screwed into material
- A44B 1/42 with deformable prongs
- A44B 1/44 with deformable counterpiece
Top Applicants
Top 10 applicants by patent filingsfor 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