D04B 9/2 with provision for narrowing or widening; with reciprocatory action, e.g. for knitting of flat portions
Introduced: September 1968
Last revised: January 2006
Full Title
Circular weft knitting machines with independently-movable needles > with provision for narrowing or widening; with reciprocatory action, e.g. for knitting of flat portions
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- Subclass:
- KNITTING
Filing statistics
IPC D04B 9/2 belongs to the parent subclass D04B, which recorded 48,486 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,357 in 2013 to 4,578 in 2023 (+36%), peaking at 6,013 applications in 2020. The most active applicants in class D04 are P&G (PROCTER & GAMBLE COMPANY) (887 applications), KIMBERLY-CLARK CORPORATION (727 applications) and TORAY INDUSTRIES (692 applications).
Source: EPO PATSTAT, worldwide filings
Top Applicants
Top 10 applicants by patent filingsfor 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