CPC Subgroup
D01D 5/28 while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
Full Title
Formation of filaments, threads, or the like > while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
1 direct subcode
Child Classifications
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- D01D 5/30 Conjugate filaments; Spinnerette packs therefor
Top Applicants
Top 10 applicants by patent filingsfor class D01, 2013–2023, worldwide · Source: EPO PATSTAT
- TORAY INDUSTRIES JP 1,268
- MASCHINENFABRIK RIETER CH 1,200
- NATIONAL DONG HWA UNIVERSITY 955
- LENZING AT 602
- P&G (PROCTER & GAMBLE COMPANY) US 594
- WUHAN TEXTILE UNIVERSITY 494
- TRUETZSCHLER & COMPANY DE 453
- KOLON INDUSTRIES KR 433
- OERLIKON TEXTILE & COMPANY DE 430
- CHINESE ACADEMY OF SCIENCES 412