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 9/14 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
- D04B 9/42 specially adapted for producing goods of particular configuration IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class D04,2013–2023, worldwide · Source: EPO PATSTAT
- P&G (PROCTER & GAMBLE COMPANY) US 1,303
- TORAY INDUSTRIES JP 899
- KIMBERLY-CLARK CORPORATION US 856
- NIKE INNOVATE US 852
- NIKE US 749
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 569
- SHIMA SEIKI MANUFACTURING JP 469
- SAINT-GOBAIN ISOVER FR 468
- REIFENHAEUSER & COMPANY MASCHINENFABRIK DE 462
- NIKE INNOVATE NL 363