A01B 33/021
With rigid tools
Official title: {with rigid tools}
A01B33/021 (With rigid tools) appears on 138 US grants and 131 published applications in this corpus.
Search patents in A01B- Granted patents
- 138
- Published applications
- 131
- Assignees
- 75
- Inventors
- 240
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 3 | 4 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 3 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 5 |
| 2013 | 5 | 3 |
| 2014 | 5 | 6 |
| 2015 | 3 | 5 |
| 2016 | 2 | 7 |
| 2017 | 8 | 3 |
| 2018 | 3 | 14 |
| 2019 | 6 | 4 |
| 2020 | 6 | 11 |
| 2021 | 9 | 13 |
| 2022 | 5 | 8 |
| 2023 | 11 | 8 |
| 2024 | 7 | 13 |
| 2025 | 6 | 9 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Articulated combine having rear module with seedbed preparation mechanism18 Aug 2026US 12,708,060 B2Tribine Industries LLC
- System and method for detecting simultaneous disk plugging on a tillage implement28 Jul 2026US 12,690,505 B2CNH Industrial America LLC
- Tillage apparatuses and related methods23 Jun 2026US 12,660,726 B2Honey Bee Manufacturing Ltd.
- Cylindrical device with knives connected thereto10 Feb 2026US 12,543,613 B2Enterprise Equipment Solutions, LLC
- Snow tooth for a snow tiller and said snow tiller for the preparation of the snow cover of the ski slopes30 Dec 2025US 12,509,832 B2Prinoth S.P.A.
- Tillage apparatuses and related methods17 Sep 2026US 2026/0271817 A1Honey Bee Manufacturing Ltd.
- Tiller16 Jul 2026US 2026/0198396 A1Greenworks (Jiangsu) Co., Ltd.
- Disc mounting assembly for a vertical tillage implement26 Feb 2026US 2026/0053079 A1
- Cutting tool and cutting system for a comminuting rotor18 Dec 2025US 2025/0381569 A1Prinoth S.P.A.
- Agricultural working machine20 Nov 2025US 2025/0351757 A1
Most cited
By later US patents
- Row unit for agricultural implement161US 8,544,397 B2Dawn Equipment Company · 2013
- Soil compaction mitigation assembly and method77US 10,231,371 B2Tribine Industries LLC · 2019
- Apparatus for high-volume in situ soil remediation51US 6,543,963 B22003
- Row unit for agricultural implement51US 8,770,308 B2Dawn Equipment Company · 2014
- Row unit for agricultural implement49US 9,192,089 B2Dawn Equipment Company · 2015