A01C 15/00
Fertiliser distributors
Official title: Fertiliser distributors ({combined with seeders} A01C7/06)
A01C15/00 (Fertiliser distributors) appears on 1,286 US grants and 1,030 published applications in this corpus.
Search patents in A01C- Granted patents
- 1,286
- Published applications
- 1,030
- Assignees
- 437
- Inventors
- 1,964
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 17 | 0 |
| 1978 | 25 | 0 |
| 1979 | 20 | 0 |
| 1980 | 15 | 0 |
| 1981 | 19 | 0 |
| 1982 | 11 | 0 |
| 1983 | 12 | 0 |
| 1984 | 21 | 0 |
| 1985 | 26 | 0 |
| 1986 | 19 | 0 |
| 1987 | 19 | 0 |
| 1988 | 20 | 0 |
| 1989 | 14 | 0 |
| 1990 | 10 | 0 |
| 1991 | 22 | 0 |
| 1992 | 13 | 0 |
| 1993 | 22 | 0 |
| 1994 | 18 | 0 |
| 1995 | 10 | 0 |
| 1996 | 16 | 0 |
| 1997 | 15 | 0 |
| 1998 | 14 | 0 |
| 1999 | 24 | 0 |
| 2000 | 27 | 0 |
| 2001 | 23 | 4 |
| 2002 | 15 | 14 |
| 2003 | 17 | 23 |
| 2004 | 14 | 17 |
| 2005 | 18 | 22 |
| 2006 | 19 | 24 |
| 2007 | 6 | 12 |
| 2008 | 17 | 15 |
| 2009 | 12 | 16 |
| 2010 | 19 | 18 |
| 2011 | 7 | 14 |
| 2012 | 11 | 29 |
| 2013 | 12 | 31 |
| 2014 | 38 | 40 |
| 2015 | 25 | 40 |
| 2016 | 31 | 69 |
| 2017 | 55 | 40 |
| 2018 | 49 | 71 |
| 2019 | 61 | 75 |
| 2020 | 75 | 105 |
| 2021 | 53 | 90 |
| 2022 | 71 | 62 |
| 2023 | 53 | 47 |
| 2024 | 57 | 62 |
| 2025 | 51 | 54 |
| 2026 | 34 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A01C 15/005Undercarriages, tanks, hoppers, stirrers specially adapted for seeders or fertiliser distributors577
- A01C 15/04Fertiliser distributors: using blowers242
- A01C 15/02Fertiliser distributors: for hand use207
- A01C 15/003Bulk fertiliser or grain handling in the field or on the farm195
- A01C 15/12Fertiliser distributors: with movable parts of the receptacle79
- A01C 15/06Fertiliser distributors: with distributing slots48
- A01C 15/18Fertiliser distributors: with endless chains , i.e. side transporting elements46
- A01C 15/16Fertiliser distributors: with means for pushing out the fertiliser35
Recent patents
- Raised wall for hoppers, in particular for fertilizer spreading machines and hopper obtained in this manner22 Sep 2026US 12,740,506 B2Maschio Gaspardo S.P.A.
- Methods and systems for use in processing seeds1 Sep 2026US 12,722,832 B2Monsanto Technology LLC
- Aeration type variable-rate fertilization scarifier for tea garden25 Aug 2026US 12,714,008 B2
- Seed tender with automatic conveyor positioning25 Aug 2026US 12,715,705 B2J. & M. Manufacturing Co., Inc.
- Pneumatic conveyor device for granular material and agricultural distributing machine18 Aug 2026US 12,708,065 B2Lemken GmbH & Co.KG
- Active suspension control in agricultural sprayers24 Sep 2026US 2026/0285110 A1Deere & Company
- handheld spreader17 Sep 2026US 2026/0271825 A1SK & Y Agricultural Equipments Co., Ltd.
- Systems and methods for agricultural additive delivery3 Sep 2026US 2026/0256044 A1Loam Bio Pty Ltd
- Air seeder pneumatic control system3 Sep 2026US 2026/0256051 A1Deere & Company
- Metering System for an Agricultural Distribution Machine and Method for Metering20 Aug 2026US 2026/0242159 A1Amazonen-Werke H. Dreyer SE & Co. KG
Most cited
By later US patents
- Intelligent Mobile product application control system174US 5,870,686 AAg-Chem Equipment Co., Inc. · 1999
- Multiple-type seed dispensing system155US 5,915,313 ACase Corporation · 1999
- Method and apparatus for prescription application of products to an agricultural field147US 5,919,242 AAgri-line Innovations, Inc. · 1999
- Agricultural seed tender with modular storage containers145US 7,500,817 B2KSi Conveyors, Inc. · 2009
- Planter implement with adjusting position-display apparatus and system thereof142US 4,413,685 A1983