CPC Subgroup
D01H 13/14 Warning or safety devices, e.g. automatic fault detectors, stop motions
Full Title
Other common constructional features, details or accessories > Warning or safety devices, e.g. automatic fault detectors, stop motions
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- D01H 13/16 responsive to reduction in material tension, failure of supply, or breakage, of material
- D01H 13/20 responsive to excessive tension or irregular operation of apparatus
- D01H 13/22 responsive to presence of irregularities in running material
- D01H 13/24 responsive to delivery of a measured length of material, completion of winding of a package or filling of a receptacle
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