IPC Main Group
D04B 23/00 Flat warp knitting machines
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- Subclass:
- KNITTING
10 direct subcodes
Child Classifications
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- D04B 23/02 with two sets of needles
- D04B 23/04 with independently-movable knitting needles
- D04B 23/06 for producing fabrics consisting of, or incorporating, elastic threads
- D04B 23/08 with provision for incorporating pile threads
- D04B 23/1 for knitting through thread, fleece, or fabric layers, or around elongated core material
- D04B 23/12 with provision for incorporating unlooped wefts extending from selvedge to selvedge
- D04B 23/14 with provision for incorporating small auxiliary elements, e.g. for decorative purposes
- D04B 23/16 specially adapted for producing fabrics, or article blanks, of particular form or configuration
- D04B 23/22 with special thread-guiding means
- D04B 23/24 with cut needle presser arrangements to produce patterns
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