Collar-studs

Filing statistics

CPC A44B 3/00 belongs to the parent subclass A44B, which recorded 19,040 patent applications worldwide between 2013 and 2023. Annual filings declined from 1,623 in 2013 to 1,202 in 2023 (-26%), peaking at 2,349 applications in 2017. The most active applicants in class A44 are YOSHIDA KOGYO (1,555 applications), YOSHIDA KOGYO (888 applications) and THE SWATCH GROUP RESEARCH AND DEVELOPMENT (358 applications).

Source: EPO PATSTAT, worldwide filings

4 direct subcodes

Child Classifications

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A44B 3/02 completely rigid
A44B 3/04 with head tiltable as a whole
A44B 3/06 with head formed as two tiltable flaps
A44B 3/08 with head and base separable

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