characterised by their attachment; Securing devices for the attaching means (combined with soles A43B13/28)

Full Title

Heels; Top-pieces or top-lifts > characterised by their attachment; Securing devices for the attaching means (combined with soles A43B13/28)

Filing statistics

CPC A43B 21/36 belongs to the parent subclass A43B, which recorded 48,804 patent applications worldwide between 2013 and 2023. Annual filings declined from 3,405 in 2013 to 3,051 in 2023 (-10%), peaking at 5,863 applications in 2016. The most active applicants in class A43 are NIKE (4,108 applications), NIKE INNOVATE (3,339 applications) and NIKE INNOVATE (1,253 applications).

Source: EPO PATSTAT, worldwide filings

11 direct subcodes

Child Classifications

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A43B 21/37 by hook-shaped or bent attaching means
A43B 21/38 by screws only
A43B 21/39 by rib groove
A43B 21/42 Heels with replaceable or adjustable parts
A43B 21/44 by claw-like means
A43B 21/46 by bolts
A43B 21/47 by resilient means
A43B 21/50 by bayonet catches or the like
A43B 21/51 with keyhole-shaped opening and pin
A43B 21/52 Interchangeable heel parts without special attachments
A43B 21/54 by adhesion or the like

Top Applicants

Top 10 applicants by patent filingsfor class A43, 2013–2023, worldwide · Source: EPO PATSTAT

NIKE US 4,108
NIKE INNOVATE US 3,339
NIKE INNOVATE NL 1,253
耐克创新有限合伙公司 969
NIKE INNOVATE 910
ADIDAS DE 768
ASICS CORPORATION JP 591
PUMA SE DE 344
ADIDAS 323
UNDER ARMOUR US 235