A01C 7/082
Ducts, distribution pipes or details thereof for pneumatic seeders
Official title: {Ducts, distribution pipes or details thereof for pneumatic seeders}
A01C7/082 (Ducts, distribution pipes or details thereof for pneumatic seeders) appears on 380 US grants and 415 published applications in this corpus.
Search patents in A01C- Granted patents
- 380
- Published applications
- 415
- Assignees
- 71
- Inventors
- 407
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 4 |
| 2003 | 4 | 4 |
| 2004 | 2 | 2 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 3 | 4 |
| 2008 | 3 | 5 |
| 2009 | 3 | 2 |
| 2010 | 3 | 3 |
| 2011 | 2 | 6 |
| 2012 | 1 | 7 |
| 2013 | 5 | 7 |
| 2014 | 6 | 22 |
| 2015 | 18 | 22 |
| 2016 | 23 | 39 |
| 2017 | 32 | 30 |
| 2018 | 39 | 38 |
| 2019 | 38 | 55 |
| 2020 | 43 | 45 |
| 2021 | 27 | 26 |
| 2022 | 33 | 25 |
| 2023 | 21 | 13 |
| 2024 | 20 | 17 |
| 2025 | 18 | 18 |
| 2026 | 13 | 15 |
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
- Multi-crop valve for agricultural inter-cropping22 Sep 2026US 12,740,502 B2101288550 Saskatchewan Ltd.
- Pneumatic conveyor device for granular material and agricultural distributing machine18 Aug 2026US 12,708,065 B2Lemken GmbH & Co.KG
- Product distribution device with section control monitoring4 Aug 2026US 12,698,996 B2Deere & Company
- Circular bulk seed distributor manifold14 Jul 2026US 12,677,725 B2Harvest International, Inc.
- Seed meter with vacuum producing device and controlled outlet pressure13 Aug 2026US 2026/0231851 A1Deere & Company
- Proportionate air flow control for air carts30 Jul 2026US 2026/0215358 A1Deere & Company
- Air conveyance quick connect fitting25 Jun 2026US 2026/0177174 A1Deere & Company
- Bar type bearing structure for agricultural machines, such as precision sowers, and sower including said structure11 Jun 2026US 2026/0157263 A1Maschio Gaspardo S.P.A.
- Air cart with auxiliary container coupled to multiple distribution tubes11 Jun 2026US 2026/0159339 A1Bourgault Industries Ltd.
Most cited
By later US patents
- Pneumatic system for conveying granular material131US 4,280,419 AInternational Harvester Company · 1981
- Electronically controlled tuning orifice for seed meter tuning88US 6,644,225 B2Deere & Company · 2003
- Air separation tube for a pneumatic delivery system82US 5,392,722 ADeere & Company · 1995
- Particulate material delivery system for variable rate sectional control75US 9,144,190 B2CNH Industrial Canada, Ltd. · 2015
- Pneumatic seed delivery system64US 5,915,312 ACase Corporation · 1999