A01C 15/16
Fertiliser distributors: with means for pushing out the fertiliser
Official title: with means for pushing out the fertiliser, e.g. by a roller
A01C15/16 (Fertiliser distributors: with means for pushing out the fertiliser) appears on 35 US grants and 28 published applications in this corpus.
Search patents in A01C- Granted patents
- 35
- Published applications
- 28
- Assignees
- 20
- Inventors
- 73
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 2 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 0 | 3 |
| 2019 | 1 | 2 |
| 2020 | 1 | 3 |
| 2021 | 2 | 3 |
| 2022 | 5 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Nutrient injection assembly26 Aug 2025US 12,396,384 B2
- Single particulate metering system with variable rate controls10 Sep 2024US 12,082,519 B2Montag Investments, LLC
- Predation-resistant capsular planting systems and methods21 May 2024US 11,985,914 B2Droneseed Co.
- Fertilizer meter with motor control and method thereof8 Nov 2022US 11,490,560 B2Deere & Company
- Wide base capsular planting systems and methods18 Oct 2022US 11,470,764 B2Droneseed Co.
- Biological control agent application device21 Aug 2025US 2025/0261627 A1
- Single Particulate Metering System With Variable Rate Controls26 Dec 2024US 2024/0423120 A1Montag Investments, LLC
- Nutrient injection assembly13 Jul 2023US 2023/0217854 A1
- Single Particulate Metering System With Variable Rate Controls16 Jun 2022US 2022/0183221 A1Montag Investments, LLC
- Sectional control for air boom spreader16 Dec 2021US 2021/0386052 A1Salford Group Inc.
Most cited
By later US patents
- Ground driven top dresser utilizing special clutch mechanism33US 4,438,873 ATurfco Manufacturing, Inc. · 1984
- Dispenser for fluent materials26US 4,785,976 A1988
- Seed and fertilizer metering mechanism for agricultural drilling machines22US 4,254,897 AHestair Bettinson Limited · 1981
- Planter quick attachable granular chemical hopper assembly20US 4,359,952 AInternational Harvester Company · 1982
- Mobile spreader19US 4,155,315 A1979