A01C 3/06
Manure distributors
Official title: Manure distributors, e.g. dung distributors
A01C3/06 (Manure distributors) appears on 131 US grants and 56 published applications in this corpus.
Search patents in A01C- Granted patents
- 131
- Published applications
- 56
- Assignees
- 48
- Inventors
- 162
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 9 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 5 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 5 |
| 2016 | 3 | 1 |
| 2017 | 3 | 1 |
| 2018 | 3 | 6 |
| 2019 | 2 | 5 |
| 2020 | 10 | 6 |
| 2021 | 2 | 4 |
| 2022 | 3 | 3 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pump for immersion within a fluid reservoir5 May 2026US 12,618,412 B2Nuhn Industries Ltd.
- Riding vehicle for distributing material30 Dec 2025US 12,507,613 B2
- Trailer for manure pump25 Nov 2025US 12,479,527 B2Bazooka-Farmstar, LLC
- Distributor device for solids-containing liquids3 Dec 2024US 12,156,490 B2Vogelgsang GmbH & Co KG
- Stall cleaning trailer system and method of use30 May 2023US 11,659,811 B2
- 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
- Pump for immersion within a fluid reservoir6 Feb 2025US 2025/0043793 A1Nuhn Industries Ltd.
- Autonomous cultivator for cattle manure16 Jan 2025US 2025/0017132 A1Dairycs Automatic Milking Ltd.
- Spreading vehicle with sloping spreading discs and filler piece14 Nov 2024US 2024/0376677 A1Ludwig Bergmann GmbH
Most cited
By later US patents
- Site-specific control system for manure spreader53US 6,092,745 ANew Holland North America, Inc. · 2000
- Poultry litter disintegrating machine33US 5,078,328 APriefert Mfg. Co., Inc. · 1992
- Manure spreader32US 4,473,184 AHedlund Manufacturing Co., Inc. · 1984
- Manure spreader with multiple side auger23US 4,362,272 AHedlund Manufacturing Co., Inc. · 1982
- All purpose V-shaped manure spreader23US 5,386,943 AH & S Manufacturing Co., Inc. · 1995