Heels; Top-pieces or top-lifts

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: HUMAN NECESSITIES
Class:: FOOTWEAR
Subclass:: CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR

Filing statistics

IPC A43B 21/00 belongs to the parent subclass A43B, which recorded 90,549 patent applications worldwide between 2013 and 2023. Annual filings grew from 6,304 in 2013 to 7,399 in 2023 (+17%), peaking at 9,640 applications in 2020. The most active applicants in class A43 are NIKE (3,884 applications), NIKE INNOVATE (3,037 applications) and NIKE INNOVATE (1,179 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

HEEL(S) for footwear

4 direct subcodes

Child Classifications

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A43B 21/02 characterised by the material
A43B 21/22 Heels or heel attachments specially designed to prevent splashing
A43B 21/24 characterised by the constructive form
A43B 21/36 characterised by their attachment; Securing devices for the attaching means

Top Applicants

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

NIKE US 3,884
NIKE INNOVATE US 3,037
NIKE INNOVATE NL 1,179
耐克创新有限合伙公司 902
NIKE INNOVATE 842
ADIDAS DE 707
ASICS CORPORATION JP 573
ANTA (CHINA) COMPANY 417
XTEP (CHINA) COMPANY 340
PUMA SE DE 333