A01K 1/0114
Litter boxes with screens for separating excrement from litter
Official title: {Litter boxes with screens for separating excrement from litter}
A01K1/0114 (Litter boxes with screens for separating excrement from litter) appears on 449 US grants and 417 published applications in this corpus.
Search patents in A01K- Granted patents
- 449
- Published applications
- 417
- Assignees
- 140
- Inventors
- 697
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 6 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 8 | 0 |
| 1992 | 5 | 0 |
| 1993 | 11 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 19 | 0 |
| 1997 | 13 | 0 |
| 1998 | 20 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 0 |
| 2002 | 12 | 8 |
| 2003 | 7 | 5 |
| 2004 | 7 | 11 |
| 2005 | 9 | 15 |
| 2006 | 14 | 11 |
| 2007 | 10 | 20 |
| 2008 | 1 | 14 |
| 2009 | 9 | 12 |
| 2010 | 5 | 8 |
| 2011 | 8 | 16 |
| 2012 | 13 | 7 |
| 2013 | 12 | 23 |
| 2014 | 12 | 14 |
| 2015 | 15 | 18 |
| 2016 | 7 | 20 |
| 2017 | 13 | 12 |
| 2018 | 12 | 16 |
| 2019 | 17 | 15 |
| 2020 | 13 | 18 |
| 2021 | 11 | 12 |
| 2022 | 14 | 15 |
| 2023 | 5 | 23 |
| 2024 | 14 | 31 |
| 2025 | 29 | 39 |
| 2026 | 27 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Animal toilet6 Oct 2026US 12,751,418 B2Daiki Co., Ltd.
- Litter device29 Sep 2026US 12,745,746 B2Genhigh Tech Co., Limited
- Pet toilet and control method thereof1 Sep 2026US 12,721,300 B2Petpivot Inc
- Pet toilet and control method thereof1 Sep 2026US 12,721,301 B2Petpivot Inc
- Automated litter device18 Aug 2026US 12,708,097 B2Automated Pet Care Products, LLC
- Pellet Pal Litter System24 Sep 2026US 2026/0283098 A1
- False-detection prevention litter box24 Sep 2026US 2026/0283099 A1Petpivot Inc
- Litter box24 Sep 2026US 2026/0283100 A1Petpivot Inc
- Automatic electromechanical device for collecting, processing and storing animal faeces and urine using a recoverable substrate17 Sep 2026US 2026/0271871 A1
- Method and device for controlling litter box, and litter box17 Sep 2026US 2026/0271872 A1
Most cited
By later US patents