A01B 69/02
Ridge-marking or like devices
Official title: Ridge-marking or like devices; Checkrow wires; Accessories therefor
A01B69/02 (Ridge-marking or like devices) appears on 106 US grants and 29 published applications in this corpus.
Search patents in A01B- Granted patents
- 106
- Published applications
- 29
- Assignees
- 45
- Inventors
- 145
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 1 |
| 2002 | 5 | 1 |
| 2003 | 0 | 1 |
| 2004 | 3 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 4 | 4 |
| 2011 | 3 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 3 | 3 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Agricultural implements having foldable marker assemblies6 Oct 2026US 12,751,344 B2AGCO Corporation
- Powered clearing-disks, control system, and method of use15 Jul 2025US 12,356,880 B2Deere & Company
- Safe autonomous agricultural machine30 Jul 2024US 12,048,262 B2ZF Friedrichshafen AG
- Powered clearing-disks, control system, and method of use28 Nov 2023US 11,825,762 B2Deere & Company
- Hood and tractor equipped with hood25 Apr 2023US 11,634,183 B2Yanmar Power Technology Co., Ltd.
- Powered clearing-disks, control system, and method of use9 May 2024US 2024/0147890 A1Deere & Company
- Traveling assistance system for agricultural machine21 Sep 2023US 2023/0292645 A1Kubota Corporation
- Agricultural implements having foldable marker assemblies3 Aug 2023US 2023/0240167 A1AGCO Corporation
- Hood and tractor equipped with hood13 Jul 2023US 2023/0219630 A1Yanmar Power Technology Co., Ltd.
- Safe autonomous agricultural machine26 May 2022US 2022/0159897 A1ZF Friedrichshafen AG
Most cited
By later US patents
- Folding row marker88US 4,986,367 AKinze Manufacturing, Inc. · 1991
- Tri-fold row marker87US 5,379,847 ADeere & Company · 1995
- Floating marker arm mechanism86US 4,674,578 AJ. I. Case Company · 1987
- Breakaway mechanism for a row marker85US 4,825,957 ADeere & Company · 1989
- Planter row marker82US 4,530,405 ADeere & Company · 1985