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CPC Subgroup
D01B 1/14

Breaking or scutching, e.g. of flax; Decorticating

Full Title

Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks > Separating vegetable fibres from stalks or leaves > Breaking or scutching, e.g. of flax; Decorticating

8 direct subcodes

Child Classifications

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  • D01B 1/16 with devices dependent on a bending action to break or loosen fibre-bearing materials (crushing rollers D01B1/22)
  • D01B 1/18 with stamping devices
  • D01B 1/20 with scraping devices
  • D01B 1/22 with crushing or breaking rollers or plates
  • D01B 1/24 with toothed or other pointed devices
  • D01B 1/26 with beaters rotating about an axis parallel with the fibre bundle
  • D01B 1/28 with beaters rotating about an axis perpendicular to the fibre bundle

Top Applicants

Top 10 applicants by patent filingsfor class D01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 1,268
  2. MASCHINENFABRIK RIETER CH 1,200
  3. NATIONAL DONG HWA UNIVERSITY 955
  4. LENZING AT 602
  5. P&G (PROCTER & GAMBLE COMPANY) US 594
  6. WUHAN TEXTILE UNIVERSITY 494
  7. TRUETZSCHLER & COMPANY DE 453
  8. KOLON INDUSTRIES KR 433
  9. OERLIKON TEXTILE & COMPANY DE 430
  10. CHINESE ACADEMY OF SCIENCES 412