A01C 21/00
Methods of fertilising , sowing or planting
Official title: Methods of fertilising {, sowing or planting}
A01C21/00 (Methods of fertilising , sowing or planting) appears on 1,554 US grants and 1,986 published applications in this corpus.
Search patents in A01C- Granted patents
- 1,554
- Published applications
- 1,986
- Assignees
- 705
- Inventors
- 3,406
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 2 |
| 2002 | 6 | 10 |
| 2003 | 16 | 22 |
| 2004 | 17 | 9 |
| 2005 | 8 | 15 |
| 2006 | 6 | 11 |
| 2007 | 3 | 5 |
| 2008 | 5 | 9 |
| 2009 | 7 | 20 |
| 2010 | 8 | 23 |
| 2011 | 13 | 22 |
| 2012 | 19 | 29 |
| 2013 | 19 | 41 |
| 2014 | 38 | 78 |
| 2015 | 46 | 86 |
| 2016 | 54 | 89 |
| 2017 | 92 | 117 |
| 2018 | 95 | 135 |
| 2019 | 114 | 175 |
| 2020 | 133 | 199 |
| 2021 | 103 | 191 |
| 2022 | 128 | 172 |
| 2023 | 127 | 150 |
| 2024 | 147 | 161 |
| 2025 | 157 | 124 |
| 2026 | 85 | 91 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fertilizer and row cleaner modules for agricultural row planter6 Oct 2026US 12,751,352 B2Harvest International, Inc.
- Method and system for providing a fertilizer recommendation and a measurement region and location22 Sep 2026US 12,740,507 B2Yara International Asa
- Apparatus and method of growing vegetation in an arid environment15 Sep 2026US 12,733,568 B2Viridis Arbor LLC
- Method for rapidly increasing organic matter in saline-alkali land by combining planting and breeding15 Sep 2026US 12,733,569 B1National Center of Technology Innovation for Comprehensive Utilization of Saline-Alkali Land
- Fertilizer/chemical dispensers for lawn care having intelligent dispensing systems (smart dispenser logic) and associated method of use1 Sep 2026US 12,721,254 B2
- Control method and apparatus for load of movable platform, and movable platform and medium8 Oct 2026US 2026/0305523 A1Sz Dji Technology Co., Ltd.
- Method for reducing nitrogen and phosphorus emission in strawberry cultivation to mitigate continuous cropping obstacles in greenhouse8 Oct 2026US 2026/0305524 A1Shandong Academy of Agricultural Sciences
- Granular Material Spreading Performance Detection System For Agricultural Unmanned Aerial Vehicle And Operation Method Thereof8 Oct 2026US 2026/0307091 A1Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences
- Compositions and Methods for Agri-Inputs and Uses Thereof8 Oct 2026US 2026/0308077 A1Tidal Vision Products
- Controlling image capture based on event timing during planting operation24 Sep 2026US 2026/0283066 A1Deere & Company
Most cited
By later US patents
- Methods and apparatus for precision agriculture operations utilizing real time kinematic global positioning system systems403US 6,199,000 B1Trimble Navigation Limited · 2001
- Variable rate agricultural product application implement with multiple inputs and feedback280US 6,070,539 ACase Corporation · 2000
- Methods and apparatus for precision agriculture operations utilizing real time kinematic global positioning system systems208US 6,553,299 B1Trimble Navigation Limited · 2003
- Variable rate application system162US 5,220,876 AAg-Chem Equipment Co., Inc. · 1993
- Multiple-type seed dispensing system155US 5,915,313 ACase Corporation · 1999