A01F 12/46
Mechanical grain conveyors
A01F12/46 (Mechanical grain conveyors) appears on 221 US grants and 212 published applications in this corpus.
Search patents in A01F- Granted patents
- 221
- Published applications
- 212
- Assignees
- 49
- Inventors
- 369
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 4 |
| 2010 | 3 | 5 |
| 2011 | 3 | 3 |
| 2012 | 2 | 0 |
| 2013 | 0 | 3 |
| 2014 | 5 | 8 |
| 2015 | 6 | 14 |
| 2016 | 11 | 26 |
| 2017 | 17 | 33 |
| 2018 | 36 | 21 |
| 2019 | 30 | 30 |
| 2020 | 26 | 19 |
| 2021 | 14 | 11 |
| 2022 | 10 | 7 |
| 2023 | 8 | 8 |
| 2024 | 8 | 8 |
| 2025 | 6 | 3 |
| 2026 | 8 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual grain camera for a clean grain transporter of a combine harvester cleaning system29 Sep 2026US 12,745,705 B2CNH Industrial Belgium N. V.
- Sensor arrangement for a combine harvester15 Sep 2026US 12,733,579 B2Deere & Company
- Cleaning assembly for a combine harvester1 Sep 2026US 12,721,266 B2Deere & Company
- Combine with a bypass device16 Jun 2026US 12,653,101 B2CLAAS Selbstfahrende Erntemaschinen GmbH
- Broken paddle detection system for elevator of combine harvester19 May 2026US 12,628,737 B2CNH Industrial America LLC
- Controlling the operation of a cross-auger20 Aug 2026US 2026/0240078 A1
- Grain fill sensor and related devices, systems, and methods13 Aug 2026US 2026/0231864 A1Ag Leader Technology
- Method for removing blocked grains from a combine harvester15 May 2025US 2025/0151662 A1CNH Industrial America LLC
- Lift system for bubble up auger of combine harvester23 Jan 2025US 2025/0024785 A1CNH Industrial America LLC
- Grain Bin Filling System for a Combine Harvester23 Jan 2025US 2025/0024787 A1AGCO Corporation
Most cited
By later US patents
- Flow metering device113US 4,765,190 AFord New Holland, Inc. · 1988
- Combine harvester and associated method for gathering grain81US 9,011,222 B2Pioneer Hi-Bred International, Inc. · 2015
- Offset auger feed for a combine clean grain elevator34US 6,350,197 B1Case Corporation · 2002
- Multi-thresh concave section for rotary combine29US 10,412,895 B2Kondex Corporation · 2019
- Feed residue saver for combines28US 4,188,160 A1980