A01C 23/007
Metering or regulating systems
Official title: {Metering or regulating systems}
A01C23/007 (Metering or regulating systems) appears on 368 US grants and 500 published applications in this corpus.
Search patents in A01C- Granted patents
- 368
- Published applications
- 500
- Assignees
- 158
- Inventors
- 713
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 0 |
| 2004 | 3 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 3 | 3 |
| 2009 | 3 | 4 |
| 2010 | 7 | 3 |
| 2011 | 2 | 7 |
| 2012 | 1 | 1 |
| 2013 | 2 | 9 |
| 2014 | 3 | 14 |
| 2015 | 5 | 8 |
| 2016 | 9 | 18 |
| 2017 | 9 | 18 |
| 2018 | 9 | 32 |
| 2019 | 24 | 50 |
| 2020 | 40 | 40 |
| 2021 | 33 | 61 |
| 2022 | 29 | 65 |
| 2023 | 34 | 53 |
| 2024 | 60 | 44 |
| 2025 | 46 | 33 |
| 2026 | 23 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic spray nozzle29 Sep 2026US 12,745,764 B2Precision Planting LLC
- Liquid fertilizer control systems, methods, and apparatus for agricultural implements25 Aug 2026US 12,714,009 B2Kinze Manufacturing, Inc.
- Spraying machine25 Aug 2026US 12,714,087 B2
- Systems and methods for applying fluid to groups of seeds dispensed from a planter11 Aug 2026US 12,702,081 B2Capstan Ag Systems, Inc.
- Device and method for combined generation and fertigation of nitrogen fertilizer7 Jul 2026US 12,672,602 B2Nitricity Inc.
- Agricultural tendering control system8 Oct 2026US 2026/0305595 A1Deere & Company
- Systems and methods for handling fluid for application to agricultural fields1 Oct 2026US 2026/0293796 A1Capstan Ag Systems, Inc.
- Method and system for delivering closed-loop nutrient management10 Sep 2026US 2026/0262564 A1Upside Robotics Inc.
- Efficient spot spraying of agrochemicals10 Sep 2026US 2026/0262565 A1EcoRobotix SA
- Soil parameter sensing and control system for an agricultural seeder27 Aug 2026US 2026/0248065 A1CNH Industrial America LLC
Most cited
By later US patents
- Soil chemical sensor and precision agricultural chemical delivery system and method154US 5,033,397 AAguila Corporation · 1991
- Combination grid recipe and depth control system145US 5,931,882 ARaven Industries, Inc. · 1999
- Multi-variable rate dispensing system for agricultural machines137US 5,913,915 AAg-Chem Equipment Co., Inc. · 1999
- Variable flow spray nozzle system107US 6,230,091 B1Ag-Chem Equipment Co., Inc. · 2001
- Multi-variable rate dispensing system for agricultural machine103US 6,122,581 AAg-Chem Equipment Co., Inc. · 2000