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IPC Subgroup
A43D 31/02

Machines for making shank stiffeners

Introduced: September 1968

Last revised: January 2006

Full Title

Machines for making or inserting shank stiffeners > Machines for making shank stiffeners

Classification Context

Section:
HUMAN NECESSITIES
Class:
FOOTWEAR
Subclass:
MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR

Filing statistics

IPC A43D 31/02 belongs to the parent subclass A43D, which recorded 21,517 patent applications worldwide between 2013 and 2023. Annual filings grew from 811 in 2013 to 2,482 in 2023 (+206%). 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

Top Applicants

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

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