A01K 5/02
Automatic devices
Official title: Automatic devices {(automatic identification devices for stock A01K11/006)}
A01K5/02 (Automatic devices) appears on 1,522 US grants and 1,397 published applications in this corpus.
Search patents in A01K- Granted patents
- 1,522
- Published applications
- 1,397
- Assignees
- 621
- Inventors
- 2,585
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 20 | 0 |
| 1978 | 8 | 0 |
| 1979 | 13 | 0 |
| 1980 | 18 | 0 |
| 1981 | 20 | 0 |
| 1982 | 15 | 0 |
| 1983 | 15 | 0 |
| 1984 | 16 | 0 |
| 1985 | 25 | 0 |
| 1986 | 11 | 0 |
| 1987 | 20 | 0 |
| 1988 | 19 | 0 |
| 1989 | 19 | 0 |
| 1990 | 19 | 0 |
| 1991 | 24 | 0 |
| 1992 | 21 | 0 |
| 1993 | 21 | 0 |
| 1994 | 34 | 0 |
| 1995 | 20 | 0 |
| 1996 | 17 | 0 |
| 1997 | 18 | 0 |
| 1998 | 29 | 0 |
| 1999 | 29 | 0 |
| 2000 | 20 | 0 |
| 2001 | 26 | 6 |
| 2002 | 22 | 30 |
| 2003 | 38 | 26 |
| 2004 | 26 | 25 |
| 2005 | 22 | 42 |
| 2006 | 22 | 35 |
| 2007 | 24 | 42 |
| 2008 | 18 | 34 |
| 2009 | 17 | 35 |
| 2010 | 25 | 34 |
| 2011 | 25 | 32 |
| 2012 | 21 | 48 |
| 2013 | 35 | 43 |
| 2014 | 47 | 50 |
| 2015 | 31 | 69 |
| 2016 | 47 | 76 |
| 2017 | 49 | 86 |
| 2018 | 51 | 66 |
| 2019 | 60 | 90 |
| 2020 | 78 | 90 |
| 2021 | 55 | 85 |
| 2022 | 63 | 73 |
| 2023 | 57 | 67 |
| 2024 | 55 | 79 |
| 2025 | 60 | 66 |
| 2026 | 53 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A01K 5/0225Gravity replenishment from a reserve513
- A01K 5/0291With timing mechanisms355
- A01K 5/0275With mechanisms for delivery of measured doses328
- A01K 5/0216For the distribution of liquid fodder115
- A01K 5/0266With stable trolleys100
- A01K 5/025With doors or lids activated by the animals to access feeding place93
- A01K 5/0258With endless screws82
- A01K 5/0208With conveyor belts or the like69
All 9 subgroupsShow fewer
Recent patents
- Programmable animal feeder6 Oct 2026US 12,751,421 B2
- Animal feeding apparatus and method using same22 Sep 2026US 12,740,545 B2Jinhua Jiu Miao Enterprise Management Co., Ltd.
- Device for estimating at least one property of fodder, a kit, a container comprising the device, and a method for estimating at least one property of fodder15 Sep 2026US 12,733,623 B2Seges Innovation P/S
- Pet feeder8 Sep 2026US 12,727,577 B1Dongguan ZhiYHong Hardware & Plastic Co., Ltd.
- Pet feeder8 Sep 2026US 12,727,578 B2Dongguan ZhiYiHong Hardware & Plastic Co., Ltd.
- Smart Pet Feeding System8 Oct 2026US 2026/0305567 A1
- Feed dispenser8 Oct 2026US 2026/0305568 A1
- Livestock identification system, apparatus and method1 Oct 2026US 2026/0293856 A1Yokogawa Saudi Arabia Company
- Automatic feeding assembly24 Sep 2026US 2026/0283105 A1Automated Pet Care Products, LLC d/b/a WHISKER
- Automatic can food feeder and related method24 Sep 2026US 2026/0283106 A1Amletech Inc.
Most cited
By later US patents
- Automatic feeder695US 5,037,018 ASeikosha Co., Ltd. · 1991
- Method and system for providing animal health histories and tracking inventory of drugs160US 5,315,505 AMicro Chemical, Inc. · 1994
- Cattle management method and system147US 5,673,647 AMicro Chemical, Inc. · 1997
- Method and system for providing animal health histories and tracking inventory of related drug usage130US 5,803,906 AMicro Chemical, Inc. · 1998
- Pet food dispenser123US 4,840,143 AFour Paws Products, Ltd. · 1989