A01C 23/045
Filling devices for liquid manure or slurry tanks
Official title: {Filling devices for liquid manure or slurry tanks}
A01C23/045 (Filling devices for liquid manure or slurry tanks) appears on 32 US grants and 38 published applications in this corpus.
Search patents in A01C- Granted patents
- 32
- Published applications
- 38
- Assignees
- 11
- Inventors
- 33
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 4 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 3 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 4 | 4 |
| 2021 | 1 | 1 |
| 2022 | 3 | 4 |
| 2023 | 2 | 7 |
| 2024 | 0 | 3 |
| 2025 | 4 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump for immersion within a fluid reservoir5 May 2026US 12,618,412 B2Nuhn Industries Ltd.
- Trailer for manure pump25 Nov 2025US 12,479,527 B2Bazooka-Farmstar, LLC
- Amphibious pumping vehicle8 Jul 2025US 12,350,985 B2Nuhn Industries Ltd.
- Amphibious pumping vehicle24 Jun 2025US 12,337,633 B2Nuhn Industries Ltd.
- Amphibious pumping vehicle24 Jun 2025US 12,337,634 B2Nuhn Industries Ltd.
- Pump for immersion within a fluid reservoir23 Jul 2026US 2026/0210366 A1Nuhn Industries Ltd.
- Trailer for manure pump18 Jun 2026US 2026/0167289 A1Bazooka-Farmstar, LLC
- Amphibious pumping vehicle30 Oct 2025US 2025/0332876 A1Nuhn Industries Ltd.
- Pump for immersion within a fluid reservoir6 Feb 2025US 2025/0043793 A1Nuhn Industries Ltd.
- Amphibious pumping vehicle27 Jun 2024US 2024/0208287 A1Nuhn Industries Ltd.
Most cited
By later US patents
- Vacuum jet apparatus27US 4,685,868 A1987
- Dual auger top loading pumping system for manure tank wagon20US 4,971,526 A1990
- Amphibious pumping vehicle12US 9,694,636 B2Nuhn Industries Ltd. · 2017
- Pump for immersion within a fluid reservoir11US 8,944,758 B22015
- Amphibious pumping vehicle9US 10,124,638 B2Nuhn Industries Ltd. · 2018