CPC Main Group
A01K 31/00 Housing birds
Filing statistics
CPC A01K 31/00 belongs to the parent subclass A01K, which recorded 175,078 patent applications worldwide between 2013 and 2023. Annual filings grew from 8,096 in 2013 to 13,788 in 2023 (+70%), peaking at 22,006 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
10 direct subcodes
Child Classifications
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- A01K 31/02 Door appliances; Automatic door-openers
- A01K 31/04 Dropping-boards; Devices for removing excrement
- A01K 31/06 Cages
- A01K 31/10 Doors; Trap-doors
- A01K 31/12 Perches
- A01K 31/14 Nest-boxes
- A01K 31/18 Chicken coops or houses ; Brooders
- A01K 31/22 Poultry runs
- A01K 31/24 Dovecots; Pigeon lofts
Top Applicants
Top 10 applicants by patent filingsfor class A01, 2013–2023, worldwide · Source: EPO PATSTAT
- JOHN DEERE US 6,949
- MONSANTO TECHNOLOGY US 6,297
- DOW AGROSCIENCES US 5,458
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,296
- BAYER CROPSCIENCE DE 4,654
- PIONEER HI-BRED INTERNATIONAL US 4,631
- SYNGENTA PARTICIPATIONS CH 4,410
- CNH INDUSTRIAL AMERICA US 4,128
- CHINESE ACADEMY OF SCIENCES 3,805
- BAYER DE 3,607