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CPC Subgroup
A01F 12/30

Straw separators

Full Title

Parts or details of threshing apparatus (devices, other than safety devices for feeders, for protecting human beings A01D75/20, A01F21/00) > Straw separators

Filing statistics

CPC A01F 12/30 belongs to the parent subclass A01F, which recorded 19,742 patent applications worldwide between 2013 and 2023. Annual filings grew from 925 in 2013 to 1,307 in 2023 (+41%), peaking at 2,921 applications in 2018. The most active applicants in class A01 are JOHN DEERE (6,949 applications), MONSANTO TECHNOLOGY (6,297 applications) and DOW AGROSCIENCES (5,458 applications).

Source: EPO PATSTAT, worldwide filings

6 direct subcodes

Child Classifications

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  • A01F 12/305
  • A01F 12/38 with juxtaposed and independently-moved shaker bars or the like
  • A01F 12/385 with endless straw-conveying surface
  • A01F 12/39 with straw carriers in the form of rotors or drums
  • A01F 12/395 Conical or cylindrical straw separators with internal working surface

Top Applicants

Top 10 applicants by patent filingsfor class A01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. JOHN DEERE US 6,949
  2. MONSANTO TECHNOLOGY US 6,297
  3. DOW AGROSCIENCES US 5,458
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,296
  5. BAYER CROPSCIENCE DE 4,654
  6. PIONEER HI-BRED INTERNATIONAL US 4,631
  7. SYNGENTA PARTICIPATIONS CH 4,410
  8. CNH INDUSTRIAL AMERICA US 4,128
  9. CHINESE ACADEMY OF SCIENCES 3,805
  10. BAYER DE 3,607