IPC Main Group
D01B 1/00 Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- Subclass:
- MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OR FILAMENTS, e.g. FOR SPINNING
Related Keywords
BREAKING plant material to obtain fibresseparation of COTTON fibres from seedsDECORTICATING plant material to produce fibresmechanical separation of FIBRES from plant material for textile manufactureGINNINGSCUTCHING of flax or like fibresmechanically SEPARATING fibres from plant material for textile manufacture
3 direct subcodes
Child Classifications
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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