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DIFF Main Group
D04B 9/00

Circular knitting machines with independently-movable needles (with fixed spring or bearded needles D04B13/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Circular weft knitting machines with independently-movable needles

CPC: Circular knitting machines with independently-movable needles (with fixed spring or bearded needles D04B13/00)

Full Title

Full titles differ between systems:

IPC:

Circular weft knitting machines with independently-movable needles

CPC:

Circular knitting machines with independently-movable needles (with fixed spring or bearded needles D04B13/00)

IPC and CPC are identically structured here. All 13 subcodes exist in both systems.

Child Classifications

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  • D04B 9/10 with two needle cylinders for purl work or for Links-Links loop formation IPC+CPC Available in IPC and CPC
  • D04B 9/12 with provision for incorporating pile threads IPC+CPC Available in IPC and CPC
  • D04B 9/14 with provision for incorporating loose fibres, e.g. in high-pile fabrics IPC+CPC Available in IPC and CPC
  • D04B 9/16 with provision for incorporating internal threads in laid-in fabrics IPC+CPC Available in IPC and CPC
  • D04B 9/18 with provision for splicing by incorporating reinforcing threads IPC+CPC Available in IPC and CPC
  • D04B 9/20 with provision for narrowing or widening; with reciprocatory action, e.g. for knitting of flat portions IPC+CPC Available in IPC and CPC
  • D04B 9/22 with provision for changing the fabric construction, e.g. from plain to rib-loop fabric IPC+CPC Available in IPC and CPC
  • D04B 9/24 with special provision for commencing goods, e.g. with non-run edges IPC+CPC Available in IPC and CPC
  • D04B 9/40 with provision for transfer of knitted goods from one machine to another IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class D04,2013–2023, worldwide · Source: EPO PATSTAT

  1. P&G (PROCTER & GAMBLE COMPANY) US 1,303
  2. TORAY INDUSTRIES JP 899
  3. KIMBERLY-CLARK CORPORATION US 856
  4. NIKE INNOVATE US 852
  5. NIKE US 749
  6. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 569
  7. SHIMA SEIKI MANUFACTURING JP 469
  8. SAINT-GOBAIN ISOVER FR 468
  9. REIFENHAEUSER & COMPANY MASCHINENFABRIK DE 462
  10. NIKE INNOVATE NL 363