IPC Main Group
D04B 21/00 Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- Subclass:
- KNITTING
5 direct subcodes
Child Classifications
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- D04B 21/02 Pile fabrics or articles having similar surface features
- D04B 21/06 Patterned fabrics or articles
- D04B 21/1 Open-work fabrics
- D04B 21/14 Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B 21/2 specially adapted for knitting articles of particular configuration
Top Applicants
Top 10 applicants by patent filingsfor class D04, 2013–2023, worldwide · Source: EPO PATSTAT
- P&G (PROCTER & GAMBLE COMPANY) US 887
- KIMBERLY-CLARK CORPORATION US 727
- TORAY INDUSTRIES JP 692
- NIKE US 633
- SEIKO EPSON CORPORATION 537
- TORAY INDUSTRIES 528
- NIKE INNOVATE US 522
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 479
- NATIONAL DONG HWA UNIVERSITY 439
- NINGBO CIXING COMPANY 425