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IPC Main Group
D04B 9/00

Circular weft knitting machines with independently-movable needles

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
TEXTILES; PAPER
Class:
BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
Subclass:
KNITTING

Related Keywords

STRIPING in knitting

13 direct subcodes

Child Classifications

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  • D04B 9/1 with two needle cylinders for purl work or for Links-Links loop formation
  • D04B 9/12 with provision for incorporating pile threads
  • D04B 9/14 with provision for incorporating loose fibres, e.g. in high-pile fabrics
  • D04B 9/16 with provision for incorporating internal threads in laid-in fabrics
  • D04B 9/18 with provision for splicing by incorporating reinforcing threads
  • D04B 9/2 with provision for narrowing or widening; with reciprocatory action, e.g. for knitting of flat portions
  • D04B 9/22 with provision for changing the fabric construction, e.g. from plain to rib-loop fabric
  • D04B 9/24 with special provision for commencing goods, e.g. with non-run edges
  • D04B 9/4 with provision for transfer of knitted goods from one machine to another

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