A01F 12/28
Devices for adjusting the concaves
A01F12/28 (Devices for adjusting the concaves) appears on 106 US grants and 106 published applications in this corpus.
Search patents in A01F- Granted patents
- 106
- Published applications
- 106
- Assignees
- 26
- Inventors
- 172
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 4 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 4 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 3 | 1 |
| 2016 | 2 | 4 |
| 2017 | 3 | 6 |
| 2018 | 4 | 6 |
| 2019 | 5 | 9 |
| 2020 | 9 | 7 |
| 2021 | 9 | 10 |
| 2022 | 7 | 5 |
| 2023 | 1 | 5 |
| 2024 | 8 | 14 |
| 2025 | 13 | 10 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustment and release unit for a concave of a threshing system of a combine harvester8 Sep 2026US 12,727,546 B2AGCO International GmbH
- Dual rotor crop load system and method2 Jun 2026US 12,642,183 B2Deere & Company
- Concave cover plates for improving operational performance in a combine harvester28 Apr 2026US 12,610,891 B2Thunderstruck Sales & Marketing Ltd
- Crop moisture detection in a combine harvester17 Mar 2026US 12,575,492 B2Deere & Company
- Threshing concave for combine harvester17 Mar 2026US 12,575,503 B2Deere & Company
- Concave Cover Plates for Improving Operational Performance in a Combine Harvester13 Aug 2026US 2026/0231863 A1
- Bypass system for determining separator grain loss16 Jul 2026US 2026/0198420 A1Deere & Company
- 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 concave with adjustable grating plate2 Apr 2026US 2026/0090504 A1Copperhead Agricultural Products, LLC.
- Threshing system of a combine harvester5 Mar 2026US 2026/0060180 A1
Most cited
By later US patents
- Rotary combine72US 5,489,239 ACase Corporation · 1996
- Concave assembly and support structure for a rotary combine66US 6,358,142 B1Case Corporation · 2002
- Concave cover plate44US 10,045,487 B12018
- Method and apparatus for mounting concaves30US 4,711,252 ANew Holland Inc. · 1987
- Multi-thresh concave section for rotary combine29US 10,412,895 B2Kondex Corporation · 2019