A01B 23/00
Elements, tools, or details of harrows
A01B23/00 (Elements, tools, or details of harrows) appears on 286 US grants and 270 published applications in this corpus.
Search patents in A01B- Granted patents
- 286
- Published applications
- 270
- Assignees
- 124
- Inventors
- 417
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 3 | 4 |
| 2007 | 0 | 7 |
| 2008 | 1 | 6 |
| 2009 | 6 | 3 |
| 2010 | 4 | 9 |
| 2011 | 5 | 9 |
| 2012 | 8 | 12 |
| 2013 | 7 | 14 |
| 2014 | 11 | 12 |
| 2015 | 11 | 15 |
| 2016 | 10 | 17 |
| 2017 | 11 | 18 |
| 2018 | 14 | 34 |
| 2019 | 21 | 21 |
| 2020 | 20 | 17 |
| 2021 | 11 | 22 |
| 2022 | 16 | 10 |
| 2023 | 10 | 7 |
| 2024 | 9 | 9 |
| 2025 | 10 | 6 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for reducing or preventing plugging of an agricultural implement6 Oct 2026US 12,751,343 B2CNH Industrial America LLC
- Implement tool angle control system7 Jul 2026US 12,672,594 B2Deere & Company
- Wheel assembly for a unitractor and a unitractor comprising said wheel assembly16 Jun 2026US 12,654,787 B2Punda AS
- Structural element for agricultural equipment, and agricultural equipment24 Feb 2026US 12,557,716 B2Marchesan Implementos E Máquinas Agrícolas Tatú S/A
- System and method for detecting disk gang plugging on a tillage implement2 Dec 2025US 12,484,469 B2CNH Industrial America LLC
- Agricultural mounting assembly23 Jul 2026US 2026/0206666 A1ToughAG, LLC
- An Auxiliary Point Device, A Soil Working Tool And Agricultural Implement Comprising Such, A Mounting Device, An Auxiliary Point, A Method Of Modifying And Operating An Agricultural Implement23 Jul 2026US 2026/0206667 A1
- Mud scraper device for an agricultural packer wheel23 Jul 2026US 2026/0206670 A1
- Agricultural drill/planter/coulter/disc blade with step plane notch edge18 Jun 2026US 2026/0165220 A1Osmundson Mfg. Co.
- Agricultural tillage implement and assemblies21 May 2026US 2026/0137016 A1K S Paterson Nominees Pty Ltd
Most cited
By later US patents
- Ground opener with disc scraper mounting95US 6,237,696 B1Flexi-Coil Ltd. · 2001
- High-speed agricultural disc88US 4,099,576 ABorg-Warner Corporation · 1978
- Disk blade scraper83US 4,603,746 A1986
- Agriculture light tillage implement and tool mounting mechanism therefor82US 4,191,262 A1980
- Rotary scraper for planter disks75US 4,669,550 A1987