A01F 12/26
Multi-part threshing concaves
A01F12/26 (Multi-part threshing concaves) appears on 109 US grants and 118 published applications in this corpus.
Search patents in A01F- Granted patents
- 109
- Published applications
- 118
- Assignees
- 27
- Inventors
- 161
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 8 | 4 |
| 2003 | 3 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 3 | 6 |
| 2015 | 3 | 2 |
| 2016 | 2 | 4 |
| 2017 | 6 | 5 |
| 2018 | 4 | 8 |
| 2019 | 6 | 13 |
| 2020 | 9 | 9 |
| 2021 | 13 | 13 |
| 2022 | 8 | 5 |
| 2023 | 2 | 8 |
| 2024 | 12 | 19 |
| 2025 | 14 | 10 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Concave for a twin rotor combine harvester25 Aug 2026US 12,714,028 B2Bushel Plus Ltd.
- Combine harvester and threshing drum for a threshing device of a combine harvester4 Aug 2026US 12,696,840 B2CLAAS Selbstfahrende Erntemaschinen GmbH
- Access door with integral crop deflector for a combine harvester and method of manufacturing the same30 Jun 2026US 12,667,049 B2Deere & Company
- Dual rotor crop load system and method2 Jun 2026US 12,642,183 B2Deere & Company
- Combine harvester separation system19 May 2026US 12,628,743 B2Deere & Company
- Concave Cover Plates for Improving Operational Performance in a Combine Harvester13 Aug 2026US 2026/0231863 A1
- Combine harvester concave frame assembly23 Jul 2026US 2026/0206685 A1
- Systems and kits for regulating the flow of material other than grain through common concaves while simultaneously equalizing the flow of grain through common concaves9 Jul 2026US 2026/0191144 A1Calmer Holding Company, LLC
- Combine harvesters for use in harvesting corn, and related methods9 Jul 2026US 2026/0194459 A1Monsanto Technology LLC
- Combine concave with adjustable grating plate2 Apr 2026US 2026/0090504 A1Copperhead Agricultural Products, LLC.
Most cited
By later US patents
- Concave assembly and support structure for a rotary combine66US 6,358,142 B1Case Corporation · 2002
- Concave cover plate44US 10,045,487 B12018
- Removable concaves for axial flow combines43US 6,485,364 B1New Holland North America, Inc. · 2002
- Lightweight concave having removable grids42US 5,613,907 ADeere & Company · 1997
- Combine harvester40US 5,024,631 AClaas OHG · 1991