DIFF Main Group
A41D 31/00 Materials specially adapted for outerwear
Introduced: September 1968
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
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- A41D 31/02 Layered materials (characterised by special function or use A41D31/04) since 1974 IPC+CPC Available in IPC and CPC
- A41D 31/04 characterised by special function or use (protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes A62B17/00; composition of materials for coverings or clothing affording protection against harmful chemical agents A62D5/00) since 2019 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class A41,2013–2023, worldwide · Source: EPO PATSTAT
- NIKE US 840
- NIKE INNOVATE US 719
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 444
- SGCC(STATE GRID CORPORATION OF CHINA) 351
- HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY 287
- TORAY INDUSTRIES JP 257
- JIANGXI INSTITUTE OF FASHION TECHNOLOGY 248
- ZHEJIANG SCI TECH UNIVERSITY 235
- GUANGDONG COSMO-LADY INDUSTRIAL COMPANY 219
- GUNZE 218
Top Applicants (CPC)
Class A41,2013–2023, worldwide · Source: EPO PATSTAT
- NIKE US 986
- NIKE INNOVATE US 935
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 660
- TORAY INDUSTRIES JP 294
- NIKE INNOVATE 268
- 耐克创新有限合伙公司 200
- ANSELL AU 191
- NIKE INNOVATE NL 191
- ADIDAS DE 174
- KANEKA CORPORATION JP 172