A01F 25/20
Unloading arrangements
A01F25/20 (Unloading arrangements) appears on 164 US grants and 85 published applications in this corpus.
Search patents in A01F- Granted patents
- 164
- Published applications
- 85
- Assignees
- 74
- Inventors
- 224
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 3 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 3 | 3 |
| 2012 | 2 | 3 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 6 | 2 |
| 2016 | 2 | 11 |
| 2017 | 2 | 4 |
| 2018 | 8 | 5 |
| 2019 | 6 | 1 |
| 2020 | 5 | 11 |
| 2021 | 4 | 6 |
| 2022 | 5 | 8 |
| 2023 | 7 | 2 |
| 2024 | 3 | 3 |
| 2025 | 5 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bale slicer bucket, mounting method, and assembly9 Jun 2026US 12,648,524 B1Russell Creek Engineering, LLC
- System, method and apparatus for filling a feed mixer24 Feb 2026US 12,557,736 B2Deere & Company
- Sweep auger drive shield with gravity reclaim20 May 2025US 12,304,757 B2Sukup Manufacturing Company
- Feed-processing system22 Apr 2025US 12,279,598 B2Lely Patent N. V.
- Sweep system for full elevated floor grain bins15 Apr 2025US 12,275,604 B2Sukup Manufacturing Company
- System, method and apparatus for filling a feed mixer16 Jul 2026US 2026/0198422 A1Deere & Company
- Remote operated vehicle for cleaning grain bins9 Jul 2026US 2026/0191145 A1
- Grain bag unloader attachment for core and bag removal26 Feb 2026US 2026/0054950 A1Adam M LLC
- Adaptive control system for optimization of grain handling systems27 Mar 2025US 2025/0098592 A1Sukup Manufacturing Company
- Grain bin unload trough conveyor auger hanger assembly and method27 Jun 2024US 2024/0208735 A1CTB, Inc.
Most cited
By later US patents
- Stackable hopper bottom for storage bin103US 5,836,480 A1998
- Silo center discharge mechanism70US 4,057,153 A1977
- Grain auger system36US 4,669,941 AAr-Man Construction, Ltd. · 1987
- Silo unloader and apparatus therefor30US 4,057,151 A1977
- Emptying device for silos with telescopic fall pipe arranged in the silos26US 4,773,808 AGustav Schade Maschinenfabrik GmbH & Co. · 1988