A01K 5/0225
Gravity replenishment from a reserve
Official title: {Gravity replenishment from a reserve, e.g. a hopper (for poultry A01K39/012)}
A01K5/0225 (Gravity replenishment from a reserve) appears on 513 US grants and 452 published applications in this corpus.
Search patents in A01K- Granted patents
- 513
- Published applications
- 452
- Assignees
- 231
- Inventors
- 831
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 0 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 11 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 0 |
| 2002 | 7 | 4 |
| 2003 | 9 | 5 |
| 2004 | 6 | 5 |
| 2005 | 9 | 11 |
| 2006 | 9 | 13 |
| 2007 | 10 | 9 |
| 2008 | 6 | 18 |
| 2009 | 9 | 13 |
| 2010 | 10 | 8 |
| 2011 | 10 | 13 |
| 2012 | 7 | 13 |
| 2013 | 15 | 13 |
| 2014 | 17 | 17 |
| 2015 | 10 | 22 |
| 2016 | 14 | 21 |
| 2017 | 12 | 32 |
| 2018 | 19 | 19 |
| 2019 | 19 | 38 |
| 2020 | 27 | 34 |
| 2021 | 17 | 18 |
| 2022 | 26 | 30 |
| 2023 | 23 | 19 |
| 2024 | 18 | 29 |
| 2025 | 20 | 22 |
| 2026 | 17 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Feeder system and method of use1 Sep 2026US 12,721,307 B1Trophy Feed LLC
- Combination feeder1 Sep 2026US 12,721,309 B2All Seasons Feeders, Ltd.
- Pet feeder using original feed packaging bag as main container25 Aug 2026US 12,714,065 B2
- Pet treat dispenser11 Aug 2026US 12,702,115 B2The Toronto-Dominion Bank
- Livestock feeder14 Jul 2026US 12,677,798 B1
- Feed dispenser8 Oct 2026US 2026/0305568 A1
- Animal feeder27 Aug 2026US 2026/0248100 A1Wicked Feeder Solutions, LLC
- Animal feeder system13 Aug 2026US 2026/0231902 A1Deadfall LLC
- Small mammal feeding station6 Aug 2026US 2026/0223819 A1Wisdom Good Bites, LLC
- Livestock animal management system18 Jun 2026US 2026/0165283 A1Lely Patent N. V.
Most cited
By later US patents
- Pet food dispenser123US 4,840,143 AFour Paws Products, Ltd. · 1989
- Animal feeding apparatus109US 8,201,520 B2Rick Meritt Investments, Ltd. · 2012
- Knock-down animal feeder95US 4,721,063 A1988
- Animal feeding and watering device89US 7,040,249 B12006
- Convertible pet feeder and method86US 4,034,715 ARalston Purina Company · 1977