A01C 7/121
For sowing seeds of different sizes
Official title: {for sowing seeds of different sizes}
A01C7/121 (For sowing seeds of different sizes) appears on 74 US grants and 75 published applications in this corpus.
Search patents in A01C- Granted patents
- 74
- Published applications
- 75
- Assignees
- 28
- Inventors
- 68
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 3 | 1 |
| 2014 | 1 | 8 |
| 2015 | 1 | 2 |
| 2016 | 8 | 14 |
| 2017 | 6 | 3 |
| 2018 | 10 | 13 |
| 2019 | 5 | 1 |
| 2020 | 13 | 9 |
| 2021 | 2 | 5 |
| 2022 | 6 | 3 |
| 2023 | 4 | 1 |
| 2024 | 2 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Seed meter with vacuum producing device and controlled outlet pressure21 Apr 2026US 12,604,792 B2Deere & Company
- Dual seed meter and related systems and methods30 Dec 2025US 12,507,611 B2Ag Leader Technology
- Adjustable seed meter and related systems and methods25 Nov 2025US 12,477,972 B2Ag Leader Technology
- Agricultural metering system having multiple meter rollers8 Apr 2025US 12,268,119 B2
- Seed metering device18 Jun 2024US 12,010,941 B2
- Seed meter with vacuum producing device and controlled outlet pressure13 Aug 2026US 2026/0231851 A1Deere & Company
- Volumetric seed meter and retro-fit volumetric seed meter for agricultural planting implement6 Aug 2026US 2026/0223765 A1Kinze Manufacturing, Inc.
- Device for constructing a furrow31 Jul 2025US 2025/0241226 A1
- Seed meter with vacuum producing device and controlled outlet pressure22 Feb 2024US 2024/0057514 A1Underground Agriculture, LLC
- Agricultural metering system having multiple meter rollers22 Feb 2024US 2024/0057516 A1CNH Industrial Canada, Ltd.
Most cited
By later US patents
- Plural bin metering system58US 7,380,733 B2Barron & Brothers International · 2008
- Method and apparatus for changing seed varieties at the row unit of a planter55US 8,543,238 B22013
- Variable geometry meter roller54US 8,434,416 B2CNH Canada, Ltd. · 2013
- Multiple sized seed dispenser and turf aerator40US 7,428,874 B2First Products, Inc. · 2008
- Seed variety changer for a planter38US 9,148,992 B2Kinze Manufacturing, Inc. · 2015