A01B 19/04
With two or more tool-frames
Official title: with two or more tool-frames
A01B19/04 (With two or more tool-frames) appears on 20 US grants and 18 published applications in this corpus.
Search patents in A01B- Granted patents
- 20
- Published applications
- 18
- Assignees
- 7
- Inventors
- 32
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 6 |
| 2019 | 8 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Work machine control systems to monitor ground engagement tools and map obstacles21 Jan 2025US 12,201,049 B2Deere & Company
- Work machine control systems to monitor ground engagement tools and map obstacles15 Oct 2024US 12,114,587 B2Deere & Company
- Work machine control systems to monitor ground engagement tools and map obstacles7 Nov 2023US 11,805,721 B2Deere & Company
- Harrow with different tine sizes29 Jan 2026US 2026/0026419 A1Schulte Industries Ltd.
- Work machine control systems to monitor ground engagement tools and map obstacles11 Jul 2024US 2024/0224835 A9Deere & Company
- Retractable spike tooth harrow for large field cultivator20 Jun 2024US 2024/0196777 A1CNH Industrial America LLC
- Work machine control systems to monitor ground engagement tools and map obstacles25 Apr 2024US 2024/0130267 A1Deere & Company
- Ground following harrow14 Sep 2023US 2023/0284545 A1Schulte Industries Ltd.
Most cited
By later US patents
- Multiple-section agricultural implement19US 8,657,023 B2Deere & Company · 2014
- System for adjusting smoothing tools of a harrow according to location10US 10,194,574 B2CNH Industrial America LLC · 2019
- Electronic sensor assembly for monitoring smoothing tools of a harrow9US 10,251,328 B2CNH Industrial America LLC · 2019
- Spring tooth harrow8US 5,443,127 A1995
- System for adjusting smoothing tools of a harrow using a linear actuator7US 10,342,171 B2CNH Industrial America LLC · 2019