Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
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

Navigate with arrow keys, Enter to open

  • 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 23/22 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

  1. P&G (PROCTER & GAMBLE COMPANY) US 887
  2. KIMBERLY-CLARK CORPORATION US 727
  3. TORAY INDUSTRIES JP 692
  4. NIKE US 633
  5. SEIKO EPSON CORPORATION 537
  6. TORAY INDUSTRIES 528
  7. NIKE INNOVATE US 522
  8. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 479
  9. NATIONAL DONG HWA UNIVERSITY 439
  10. NINGBO CIXING COMPANY 425