A01K 1/0152
Litter
Official title: {Litter}
A01K1/0152 (Litter) appears on 788 US grants and 709 published applications in this corpus.
Search patents in A01K- Granted patents
- 788
- Published applications
- 709
- Assignees
- 349
- Inventors
- 1,228
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 12 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 11 | 0 |
| 1991 | 17 | 0 |
| 1992 | 19 | 0 |
| 1993 | 24 | 0 |
| 1994 | 16 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 21 | 0 |
| 1998 | 28 | 0 |
| 1999 | 30 | 0 |
| 2000 | 16 | 0 |
| 2001 | 16 | 7 |
| 2002 | 20 | 20 |
| 2003 | 15 | 28 |
| 2004 | 14 | 19 |
| 2005 | 11 | 18 |
| 2006 | 9 | 26 |
| 2007 | 4 | 21 |
| 2008 | 11 | 24 |
| 2009 | 11 | 29 |
| 2010 | 9 | 15 |
| 2011 | 12 | 23 |
| 2012 | 12 | 28 |
| 2013 | 18 | 35 |
| 2014 | 21 | 29 |
| 2015 | 21 | 50 |
| 2016 | 35 | 64 |
| 2017 | 24 | 42 |
| 2018 | 31 | 37 |
| 2019 | 31 | 33 |
| 2020 | 31 | 21 |
| 2021 | 27 | 36 |
| 2022 | 14 | 18 |
| 2023 | 20 | 20 |
| 2024 | 15 | 23 |
| 2025 | 22 | 27 |
| 2026 | 20 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and product for pet waste cleanup22 Sep 2026US 12,740,543 B1
- Cat litter containing a fluorescent cat attractant15 Sep 2026US 12,733,621 B2Boxiecat LLC
- Animal litter, process for preparing animal litter and method of removal of animal waste25 Aug 2026US 12,714,060 B2Kent Consumer Brands Americas, LLC
- Animal litter, process for preparing animal litter and method of removal of animal waste25 Aug 2026US 12,714,061 B2Kent Consumer Brands Americas, LLC
- Excrement treatment material, and methods for manufacturing and utilizing the same14 Jul 2026US 12,677,795 B2Daiki Co., Ltd.
- Animal litter3 Sep 2026US 2026/0256108 A1Givaudan SA
- Cat litter and its preparation method3 Sep 2026US 2026/0256109 A1Ogawa Zhizao New Material Processing (Huai'an) Co., Ltd.
- Pet Litter Containing Tableted Clay3 Sep 2026US 2026/0257195 A1Boxiecat LLC
- Biochar-infused wood fiber bedding20 Aug 2026US 2026/0240107 A1Musser Biomass and Wood Products, LLC
- Color-changing ph-indicating silica gel and preparation method thereof20 Aug 2026US 2026/0241364 A1Qingdao Meigao Group Co., Ltd.
Most cited
By later US patents
- Short message processing in a mobile exchange236US 5,787,357 ANokia Telecommunications Oy · 1998
- Animal care system and litter with reduced malodor impression130US 6,287,550 B1The Procter & Gamble Company · 2001
- Lightweight particulate cementitious materials and process for producing same115US 5,207,830 AVenture Innovations, Inc. · 1993
- Absorbent composition, method of making and using same112US 4,727,824 APersonal Pet Products Partnership · 1988
- Method of making agglomerated cellulosic particles using a substantially horizontal rotating drum91US 4,560,527 AKimberly-Clark Corporation · 1985