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DIFF Subgroup
A01K 39/02

Drinking appliances (A01K39/04 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Drinking appliances

CPC: Drinking appliances (A01K39/04 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Feeding or drinking appliances for poultry or other birds > Drinking appliances

CPC:

Feeding or drinking appliances for poultry or other birds > Drinking appliances (A01K39/04 takes precedence)

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1974.

Child Classifications

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  • A01K 39/0206 CPC only CPC only
  • A01K 39/0213 CPC only CPC only
  • A01K 39/022 with weight-controlled supply since 1974 IPC+CPC Available in IPC and CPC
  • A01K 39/024 with float-controlled supply since 1974 IPC+CPC Available in IPC and CPC
  • A01K 39/026 kept filled to constant level from incorporated storage since 1974 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