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CPC Subgroup
A01G 24/15

Calcined rock, e.g. perlite, vermiculite or clay aggregates

Full Title

Growth substrates; Culture media; Apparatus or methods therefor (for mushrooms A01G18/20) > based on or containing inorganic material > containing soil minerals > Calcined rock, e.g. perlite, vermiculite or clay aggregates

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