A01M 21/00
Apparatus for the destruction of unwanted vegetation
Official title: Apparatus for the destruction of unwanted vegetation, e.g. weeds (control of undesirable vegetation on roads or permanent ways of railways E01H11/00)
A01M21/00 (Apparatus for the destruction of unwanted vegetation) appears on 748 US grants and 885 published applications in this corpus.
Search patents in A01M- Granted patents
- 748
- Published applications
- 885
- Assignees
- 370
- Inventors
- 1,455
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 13 | 0 |
| 1982 | 17 | 0 |
| 1983 | 7 | 0 |
| 1984 | 18 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 13 | 2 |
| 2002 | 11 | 11 |
| 2003 | 8 | 7 |
| 2004 | 5 | 9 |
| 2005 | 3 | 14 |
| 2006 | 7 | 13 |
| 2007 | 4 | 14 |
| 2008 | 3 | 8 |
| 2009 | 6 | 13 |
| 2010 | 4 | 11 |
| 2011 | 10 | 14 |
| 2012 | 5 | 16 |
| 2013 | 8 | 11 |
| 2014 | 16 | 20 |
| 2015 | 7 | 22 |
| 2016 | 20 | 29 |
| 2017 | 25 | 49 |
| 2018 | 22 | 47 |
| 2019 | 30 | 69 |
| 2020 | 41 | 67 |
| 2021 | 39 | 75 |
| 2022 | 47 | 73 |
| 2023 | 54 | 92 |
| 2024 | 50 | 84 |
| 2025 | 65 | 65 |
| 2026 | 56 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and device for controlling plants, pest and weed populations in frozen soil29 Sep 2026US 12,745,765 B2Winterleap AS
- Apparatus and method for electrically killing plants22 Sep 2026US 12,740,555 B2Ubiqutek Ltd.
- System with master-slave architecture for agricultural applications and method for operating the system8 Sep 2026US 12,727,593 B2Tartan Aerial Sense Tech Private Limited
- Mechanical device to selectively defoliate lawn weeds8 Sep 2026US 12,727,594 B2
- Weed control system1 Sep 2026US 12,721,333 B2Honda Motor Co., Ltd.
- Cultivating methods and apparatuses8 Oct 2026US 2026/0305597 A1
- Spot weed detection and treatment within a field of view in accordance with machine learning training24 Sep 2026US 2026/0283140 A1Spraying Systems Co.
- Weed deflection device24 Sep 2026US 2026/0285460 A1
- Method, vehicle and system for weed control management10 Sep 2026US 2026/0262561 A1Bayer Aktiengesellschaft
- Height guide for a cutting system, cutting system and method for guiding the height of such a cutting system10 Sep 2026US 2026/0262627 A1Zürn Harvesting GmbH & Co. KG
Most cited
By later US patents
- Apparatus and method for determining a distance to an object in a field for the controlled release of chemicals on plants, weeds, trees or soil and/or guidance of farm vehicles206US 5,585,626 APatchen, Inc. · 1996
- Structure and method for differentiating one object from another object185US 5,296,702 APatchen California · 1994
- Disinfecting light fixture94US 9,439,989 B2Vital Vio, Inc. · 2016
- Structure and method for detecting plants in a field using a light pipe90US 5,837,997 APatchen, Inc. · 1998
- Apparatus and method for spraying herbicide on weeds in a cotton field82US 5,793,035 APatchen, Inc. · 1998