A01B 19/08
Harrows with non-rotating tools: with link network supporting tooth-like tools
Official title: with link network supporting tooth-like tools
A01B19/08 (Harrows with non-rotating tools: with link network supporting tooth-like tools) appears on 11 US grants and 7 published applications in this corpus.
Search patents in A01B- Granted patents
- 11
- Published applications
- 7
- Assignees
- 5
- Inventors
- 12
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 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 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Harrow implement25 Aug 2026US 12,713,993 B2Great Plains Manufacturing, Inc.
- Soil working machines including height and pitch tool adjustability26 Nov 2024US 12,150,398 B2ABI Attachments, Inc.
- Tillage point having variable ground engaging structure30 Mar 2021US 10,959,364 B2CNH Industrial America LLC
- Soil working machines including height and pitch tool adjustability3 Dec 2019US 10,492,354 B2Absolute Innovations, Inc.
- Soil working machines including height and pitch tool adjustability6 Feb 2018US 9,883,621 B2ABI Attachments, Inc.
- Harrow implement29 Feb 2024US 2024/0065125 A1Great Plains Manufacturing, Inc.
- Tillage Point Having Variable Ground Engaging Structure21 May 2020US 2020/0154625 A1CNH Industrial America LLC
- Soil working machiens including height and pitch tool adjustability5 Mar 2020US 2020/0068774 A1ABI Attachments, Inc.
- Soil working machines including height and pitch tool adjustability3 May 2018US 2018/0116097 A1ABI Attachments, Inc.
- Self-propelled soil working machines1 Sep 2016US 2016/0249520 A1Absolute Innovations, Inc.
Most cited
By later US patents
- Method and apparatus for a floating frame field harrow19US 5,862,764 A1999
- Chain harrow carts17US 5,143,160 A1992
- Chain harrows14US 4,582,142 A1986
- Self-propelled soil working machines10US 9,332,687 B2Absolute Innovations, Inc. · 2016
- Soil working machines including height and pitch tool adjustability10US 9,883,621 B2ABI Attachments, Inc. · 2018