CPC Main Group
D04B 9/00 Circular knitting machines with independently-movable needles (with fixed spring or bearded needles D04B13/00)
13 direct subcodes
Child Classifications
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- D04B 9/02 with one set of needles
- D04B 9/06 with needle cylinder and dial for ribbed goods
- D04B 9/10 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 9/20 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 9/26 for producing patterned fabrics
- D04B 9/40 with provision for transfer of knitted goods from one machine to another
- D04B 9/42 specially adapted for producing goods of particular configuration
Top Applicants
Top 10 applicants by patent filingsfor 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