IPC Subgroup
D01B 1/12 Rippling
Introduced: September 1968
Last revised: January 2006
Full Title
Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks > Separating vegetable fibres from stalks or leaves > Rippling
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
RIPPLING of vegetable fibres
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