CPC Subgroup
D01B 5/02 Details
Full Title
Hackling or heckling machines (hand heckling tools D01G33/00) > Details
Filing statistics
CPC D01B 5/02 belongs to the parent subclass D01B, which recorded 2,484 patent applications worldwide between 2013 and 2023. Annual filings grew from 51 in 2013 to 180 in 2023 (+253%), peaking at 384 applications in 2017. The most active applicants in class D01 are TORAY INDUSTRIES (1,268 applications), MASCHINENFABRIK RIETER (1,200 applications) and NATIONAL DONG HWA UNIVERSITY (955 applications).
Source: EPO PATSTAT, worldwide filings
7 direct subcodes
Child Classifications
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- D01B 5/04 Apparatus for feeding, holding, or conveying materials to or in machines
- D01B 5/06 Construction, mounting, or operating features of heckling devices
- D01B 5/08 Arrangements for removing, or disposing of, tow or waste
- D01B 5/10 Touch pins or other ending devices
- D01B 5/12 Framework; Casings; Coverings
- D01B 5/14 Driving arrangements
- D01B 5/16 Arrangements for confining or removing dust or the like
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