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DIFF Subgroup
A01D 34/56

Driving mechanisms for the cutters

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Mowers; Mowing apparatus of harvesters > characterised by features relating to the type of cutting apparatus > having rotating cutters > having cutters rotating about a horizontal axis, e.g. cutting-cylinders > Driving mechanisms for the cutters

CPC:

Mowers (combined with apparatus performing additional operations while mowing A01D37/00 - A01D41/00, A01D43/00; convertible to apparatus for purposes other than mowing or capable of performing operations other than mowing A01D42/00); Mowing apparatus of harvesters > characterised by features relating to the type of cutting apparatus > having rotating cutters > having cutters rotating about a horizontal axis, e.g. cutting-cylinders > Driving mechanisms for the cutters

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 1985.

Child Classifications

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  • A01D 34/57 actuated by advance of the machine since 1985 IPC+CPC Available in IPC and CPC
  • A01D 34/58 electric since 1985 IPC+CPC Available in IPC and CPC
  • A01D 34/60 fluid since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A01,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 6,725
  2. JOHN DEERE US 6,555
  3. MONSANTO TECHNOLOGY US 6,280
  4. DOW AGROSCIENCES US 5,260
  5. BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,106
  6. PIONEER HI-BRED INTERNATIONAL US 4,609
  7. KUBOTA CORPORATION 4,458
  8. SYNGENTA PARTICIPATIONS CH 4,341
  9. BAYER CROPSCIENCE DE 4,305
  10. CNH INDUSTRIAL AMERICA US 4,024

Top Applicants (CPC)

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