IPC Subgroup
D01H 13/14 Warning or safety devices, e.g. automatic fault detectors, stop motions
Introduced: September 1968
Last revised: January 2006
Full Title
Other common constructional features, details or accessories > Warning or safety devices, e.g. automatic fault detectors, stop motions
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- Subclass:
- SPINNING OR TWISTING
Related Keywords
SAFETY devices in spinning or twisting machinesWARNING devices in spinning or twisting machines
4 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 13/2 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
- NATIONAL DONG HWA UNIVERSITY 1,242
- MASCHINENFABRIK RIETER CH 1,162
- TORAY INDUSTRIES JP 1,093
- TORAY INDUSTRIES 802
- JIANGNAN UNIVERSITY 771
- WUHAN TEXTILE UNIVERSITY 663
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 653
- CHINESE ACADEMY OF SCIENCES 559
- LENZING AT 525
- MURATA MACHINERY 492