A01C 7/084
Pneumatic distribution heads for seeders
Official title: {Pneumatic distribution heads for seeders}
A01C7/084 (Pneumatic distribution heads for seeders) appears on 209 US grants and 218 published applications in this corpus.
Search patents in A01C- Granted patents
- 209
- Published applications
- 218
- Assignees
- 55
- Inventors
- 261
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 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 | 4 | 2 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 0 |
| 2011 | 0 | 4 |
| 2012 | 1 | 10 |
| 2013 | 6 | 6 |
| 2014 | 9 | 20 |
| 2015 | 16 | 15 |
| 2016 | 12 | 18 |
| 2017 | 17 | 14 |
| 2018 | 21 | 27 |
| 2019 | 16 | 13 |
| 2020 | 27 | 18 |
| 2021 | 7 | 14 |
| 2022 | 11 | 14 |
| 2023 | 9 | 9 |
| 2024 | 8 | 14 |
| 2025 | 12 | 8 |
| 2026 | 12 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Supply system for agricultural equipment29 Sep 2026US 12,745,693 B2Smith Fox LLC
- Seed conveyor22 Sep 2026US 12,740,503 B2Deere & Company
- Measurement of seeder cart tank contents4 Aug 2026US 12,696,834 B2Deere & Company
- Agricultural distribution machine for spreading granular material28 Jul 2026US 12,690,510 B2Amazonen-Werke H. Dreyer SE & Co. KG
- Agricultural product delivery system and method23 Jun 2026US 12,660,742 B2CNH Industrial Canada, Ltd.
- Flow Device for at Least Partially Guiding a Conveyed Material Flow, Distributor Head for an Agricultural Spreading Machine and Agricultural Spreading Machine8 Oct 2026US 2026/0305521 A1Amazonen-Werke H. Dreyer SE & Co. KG
- Seed meter with vacuum producing device and controlled outlet pressure13 Aug 2026US 2026/0231851 A1Deere & Company
- Air stream selector13 Aug 2026US 2026/0231853 A1
- Air cart with auxiliary container coupled to multiple distribution tubes11 Jun 2026US 2026/0159339 A1Bourgault Industries Ltd.
- Seed conveyor22 Jan 2026US 2026/0020518 A1Deere & Company
Most cited
By later US patents
- Air seeder/fertilizer apparatus having metering means and distribution manifold with selectively openable ports120US 7,555,990 B2One Pass Implements Inc. · 2009
- Sectional meter shut-off and agricultural implement having sectional meter shut-off79US 7,690,440 B2One Pass Implements Inc. · 2010
- Particulate material delivery system for variable rate sectional control75US 9,144,190 B2CNH Industrial Canada, Ltd. · 2015
- Variable geometry meter roller54US 8,434,416 B2CNH Canada, Ltd. · 2013
- Implement for adjustably metering an agricultural field input according to different frame sections51US 9,113,591 B2Raven Industries, Inc. · 2015