A01B 25/00
Harrows with special additional arrangements
Official title: Harrows with special additional arrangements, e.g. means for distributing fertilisers; Harrows for special purposes (A01B39/00 takes precedence)
A01B25/00 (Harrows with special additional arrangements) appears on 27 US grants and 23 published applications in this corpus.
Search patents in A01B- Granted patents
- 27
- Published applications
- 23
- Assignees
- 14
- Inventors
- 33
- Latest grant
- 4 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 6 |
| 2006 | 3 | 1 |
| 2007 | 5 | 4 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for detecting an operational status of a tool of an agricultural implement based on fluid flow4 Apr 2023US 11,619,530 B2CNH Industrial America LLC
- Hybrid tillage implement for vertical tillage and aeration of soil with deposit of soil additive30 Nov 2021US 11,185,002 B2CNH Industrial Canada, Ltd.
- Trash deflector22 Oct 2019US 10,448,563 B2Schaffert Manufacturing Company, Inc.
- Hybrid tillage implement for vertical tillage and aeration of soil with deposit of soil additive26 Feb 2019US 10,212,873 B2CNH Industrial Canada, Ltd.
- Roller basket finishing attachment14 Aug 2018US 10,045,475 B2Deere & Company
- Advertising Apparatus For a Harrow1 May 2025US 2025/0140137 A1
- Apparatus for clearing trash from a soil surface4 Nov 2021US 2021/0337714 A1C.S. Gent & Sons LTD
- System and method for detecting an operational status of a tool of an agricultural implement based on fluid flow15 Apr 2021US 2021/0108951 A1CNH Industrial America LLC
- Hybrid tillage implement for vertical tillage and aeration of soil with deposit of soil additive16 May 2019US 2019/0141876 A1CNH Industrial Canada, Ltd.
- Hybrid tillage implement for vertical tillage and aeration of soil with deposit of soil additive19 Jul 2018US 2018/0199500 A1CNH Industrial Canada, Ltd.
Most cited
By later US patents
- Tillage implement with on-the-go angle and depth controlled discs81US 5,878,821 A1999
- Rotary hoe77US 5,419,402 A1995
- Minimum till seeding knife70US 7,290,491 B2CNH Canada, Ltd. · 2007
- Multi-function farm implement for treating soil48US 6,554,078 B12003
- Electric drive bunker rake34US 5,890,545 ASmithco, Inc. · 1999