A01B 19/00
Harrows with non-rotating tools
A01B19/00 (Harrows with non-rotating tools) appears on 103 US grants and 79 published applications in this corpus.
Search patents in A01B- Granted patents
- 103
- Published applications
- 79
- Assignees
- 42
- Inventors
- 155
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 3 |
| 2014 | 2 | 4 |
| 2015 | 0 | 2 |
| 2016 | 3 | 5 |
| 2017 | 1 | 8 |
| 2018 | 6 | 13 |
| 2019 | 12 | 5 |
| 2020 | 4 | 7 |
| 2021 | 5 | 9 |
| 2022 | 3 | 3 |
| 2023 | 4 | 4 |
| 2024 | 5 | 5 |
| 2025 | 2 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Harrow implement25 Aug 2026US 12,713,993 B2Great Plains Manufacturing, Inc.
- Ground following harrow12 May 2026US 12,622,338 B2Schulte Industries Ltd.
- Retractable spike tooth harrow for large field cultivator10 Feb 2026US 12,543,618 B2CNH Industrial America LLC
- Robotic platform and method for performing multiple functions in agricultural systems8 Jul 2025US 12,349,615 B2RowBot Systems LLC
- Work machine control systems to monitor ground engagement tools and map obstacles21 Jan 2025US 12,201,049 B2Deere & Company
- Hoeing device intended to be towed, comprising a deformable parallelogram carrying at least one hoeing element5 Mar 2026US 2026/0060160 A1Binnove
- Harrow with different tine sizes29 Jan 2026US 2026/0026419 A1Schulte Industries Ltd.
- Robotic platform and method for performing multiple functions in agricultural systems18 Sep 2025US 2025/0287859 A1
- Equestrian harrowing robot22 Aug 2024US 2024/0279886 A1Equestrian Technology
- Work machine control systems to monitor ground engagement tools and map obstacles11 Jul 2024US 2024/0224835 A9Deere & Company
Most cited
By later US patents
- Robotic platform and method for performing multiple functions in agricultural systems50US 9,288,938 B2RowBot Systems LLC · 2016
- Tillage implement with one point pin angle adjustment33US 6,626,246 B2Case Corporation · 2003
- Harrow21US 6,164,386 A2000
- Method and apparatus for a floating frame field harrow19US 5,862,764 A1999
- Multiple-section agricultural implement19US 8,657,023 B2Deere & Company · 2014