A01B 21/02
Harrows with rotary non-driven tools: with tooth-like tools
Official title: with tooth-like tools
A01B21/02 (Harrows with rotary non-driven tools: with tooth-like tools) appears on 48 US grants and 19 published applications in this corpus.
Search patents in A01B- Granted patents
- 48
- Published applications
- 19
- Assignees
- 20
- Inventors
- 54
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 4 |
| 2022 | 2 | 1 |
| 2023 | 6 | 3 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Agricultural apparatuses and related methods22 Jul 2025US 12,364,176 B2Honey Bee Manufacturing Ltd.
- Agricultural implement with vision sensors1 Jul 2025US 12,342,740 B2Great Plains Manufacturing, Inc.
- Tillage implement2 Jul 2024US 12,022,755 B2Great Plains Manufacturing, Inc.
- Adjustable cultivator apparatus, systems, and methods17 Oct 2023US 11,785,871 B2TH Fabrication, LLC
- Robotic platform and method for operating perpendicular to crop rows on agricultural fields13 Jun 2023US 11,673,421 B2RowBot Systems LLC
- Agricultural implement with vision sensors2 Oct 2025US 2025/0301934 A1Great Plains Manufacturing, Inc.
- Agricultural apparatuses and related methods24 Apr 2025US 2025/0127069 A1Honey Bee Manufacturing Ltd.
- Agricultural implement with vision sensors3 Aug 2023US 2023/0240164 A1Great Plains Manufacturing, Inc.
- Tillage implement with vision sensors3 Aug 2023US 2023/0240165 A1Great Plains Manufacturing, Inc.
- Tillage implement2 Mar 2023US 2023/0066431 A1Great Plains Manufacturing, Inc.
Most cited
By later US patents