A01M 21/043
By chemicals
Official title: {by chemicals}
A01M21/043 (By chemicals) appears on 411 US grants and 422 published applications in this corpus.
Search patents in A01M- Granted patents
- 411
- Published applications
- 422
- Assignees
- 182
- Inventors
- 779
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 13 | 0 |
| 1983 | 6 | 0 |
| 1984 | 16 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 5 |
| 2003 | 5 | 3 |
| 2004 | 2 | 5 |
| 2005 | 2 | 4 |
| 2006 | 4 | 3 |
| 2007 | 3 | 8 |
| 2008 | 2 | 4 |
| 2009 | 3 | 7 |
| 2010 | 2 | 6 |
| 2011 | 6 | 10 |
| 2012 | 1 | 9 |
| 2013 | 5 | 3 |
| 2014 | 7 | 13 |
| 2015 | 3 | 11 |
| 2016 | 12 | 17 |
| 2017 | 12 | 25 |
| 2018 | 10 | 34 |
| 2019 | 19 | 42 |
| 2020 | 24 | 38 |
| 2021 | 27 | 39 |
| 2022 | 30 | 30 |
| 2023 | 27 | 32 |
| 2024 | 23 | 32 |
| 2025 | 22 | 24 |
| 2026 | 23 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Autonomous soil sampling and herbicide application25 Aug 2026US 12,714,089 B1Elemental Agronomy
- Systems and methods for crop health monitoring, assessment and prediction25 Aug 2026US 12,716,879 B2Viscon Group Holding B.V.
- Tall plant health management system14 Jul 2026US 12,677,819 B2Cropsy Technologies Limited
- Weed treatment systems14 Jul 2026US 12,677,820 B2Deere & Company
- Apparatus, systems, and methods to manage vegetation along a right-of-way14 Jul 2026US 12,677,823 B2Marathon Petroleum Company LP
- Spot weed detection and treatment within a field of view in accordance with machine learning training24 Sep 2026US 2026/0283140 A1Spraying Systems Co.
- Method, vehicle and system for weed control management10 Sep 2026US 2026/0262561 A1Bayer Aktiengesellschaft
- Method for detecting and treating plants, and plant treatment device23 Jul 2026US 2026/0206737 A1Continental Reifen Deutschland GmbH
- Vision Based System to Generate and Display Weed Data for Geo-Referenced Locations in an Agricultural Field23 Jul 2026US 2026/0212667 A1Precision Planting LLC
- Vision Based System for Treating Weeds16 Jul 2026US 2026/0198477 A1Precision Planting LLC
Most cited
By later US patents
- Determining a weed percentage and agricultural control device77US 10,209,179 B2Continental Automotive GmbH · 2019
- Cleaning device with a trigger-actuated spray canister75US 6,551,001 B2S. C. Johnson & Son, Inc. · 2003
- Digital spectral identifier-controller and related methods57US 6,919,959 B2Masten Opto-Diagnostics Co. · 2005
- Plant care device50US 4,126,962 A1978
- Combined rotary cutter and herbicide applicator and method46US 4,926,622 A1990