A01F 12/48
Air conduits or blowers for grain
A01F12/48 (Air conduits or blowers for grain) appears on 57 US grants and 69 published applications in this corpus.
Search patents in A01F- Granted patents
- 57
- Published applications
- 69
- Assignees
- 22
- Inventors
- 108
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 3 | 9 |
| 2018 | 6 | 5 |
| 2019 | 9 | 9 |
| 2020 | 2 | 6 |
| 2021 | 7 | 7 |
| 2022 | 3 | 9 |
| 2023 | 6 | 6 |
| 2024 | 6 | 10 |
| 2025 | 6 | 4 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Weed seed destruction with rotor and stator where the discharge is axially spaced from the inlet6 Oct 2026US 12,751,359 B2Tritana Intellectual Property Ltd.
- Fan assembly for a cleaning device of a combine harvester29 Sep 2026US 12,745,713 B2Deere & Company
- Weed seed destruction in a combine harvester a straw spreading section and a destructor housing which are coupled together to form a single unit8 Sep 2026US 12,727,534 B2Tritana Intellectual Property Ltd.
- Weed seed destruction in a combine harvester having a straw spreading section and a weed seed destructor with a guide component for directing the crop material8 Sep 2026US 12,727,535 B2Tritana Intellectual Property Ltd.
- Combine harvesters having reversible return systems, and related methods21 Jul 2026US 12,685,268 B2AGCO International GmbH
- Air blower systems and methods for use19 Mar 2026US 2026/0076307 A1
- Aspiration system for agricultural vehicle30 Oct 2025US 2025/0331464 A1CNH Industrial America LLC
- Sugarcane harvester with residue capture system16 Oct 2025US 2025/0318472 A1Deere & Company
- Fan assembly for a cleaning device of a combine harvester15 May 2025US 2025/0151657 A1Deere & Company
- Blower assembly for a cleaning device of a combine harvester15 May 2025US 2025/0151658 A1Deere & Company
Most cited
By later US patents
- Weed seed destruction102US 10,004,176 B22018
- Weed seed destruction76US 10,485,178 B22019
- Crop residue spreader24US 9,949,434 B2CNH Industrial America LLC · 2018
- Pneumatic material handling system for combines19US 4,441,511 A1984
- Combine harvester cleaning control and cleaning method17US 10,143,135 B2Jiangsu University · 2018