A01C 7/046
With perforated seeding discs
Official title: {with perforated seeding discs}
A01C7/046 (With perforated seeding discs) appears on 500 US grants and 525 published applications in this corpus.
Search patents in A01C- Granted patents
- 500
- Published applications
- 525
- Assignees
- 97
- Inventors
- 510
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 5 | 5 |
| 2003 | 8 | 9 |
| 2004 | 8 | 1 |
| 2005 | 2 | 5 |
| 2006 | 4 | 3 |
| 2007 | 3 | 4 |
| 2008 | 6 | 7 |
| 2009 | 5 | 5 |
| 2010 | 10 | 17 |
| 2011 | 2 | 11 |
| 2012 | 9 | 10 |
| 2013 | 13 | 9 |
| 2014 | 14 | 28 |
| 2015 | 17 | 48 |
| 2016 | 32 | 38 |
| 2017 | 43 | 36 |
| 2018 | 38 | 36 |
| 2019 | 36 | 47 |
| 2020 | 38 | 34 |
| 2021 | 22 | 48 |
| 2022 | 29 | 27 |
| 2023 | 33 | 17 |
| 2024 | 23 | 26 |
| 2025 | 28 | 23 |
| 2026 | 13 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Singulating device, agricultural implement and method of distributing granular material to ground2 Jun 2026US 12,642,164 B2Väderstad Holding AB
- Seed placement device5 May 2026US 12,616,082 B2Deere & Company
- Seed meter with vacuum producing device and controlled outlet pressure21 Apr 2026US 12,604,792 B2Deere & Company
- Distribution assembly for a seed drill with an associated clearance adjustment device and associated seed drill8 Oct 2026US 2026/0305520 A1Kuhn S. A.
- Agricultural Singulation Device for Singulating Particulate Material10 Sep 2026US 2026/0262559 A1Amazonen-Werke H. Dreyer SE & Co. KG
- Seed Discs For Use With Seed Meters And Planters10 Sep 2026US 2026/0262560 A1Monsanto Technology LLC
- Valve for seed metering system3 Sep 2026US 2026/0256046 A1Deere & Company
- Agricultural seed meter and related devices, systems, and methods13 Aug 2026US 2026/0231850 A1Ag Leader Technology
Most cited
By later US patents
- Vacuum seed meter180US 5,170,909 ADeere & Company · 1992
- Vacuum seed meter and dispensing apparatus118US 6,516,733 B1Precision Planting LLC · 2003
- Agricultural seeding apparatus and method for seed placement synchronization between multiple rows97US 7,726,251 B1Deere & Company · 2010
- Seed meter disk for use with sunflower and other seeds of long, slender shape91US 4,600,122 ADeere & Company · 1986
- Electronically controlled tuning orifice for seed meter tuning88US 6,644,225 B2Deere & Company · 2003