A01C 15/006
Hoppers
Official title: {Hoppers}
A01C15/006 (Hoppers) appears on 435 US grants and 461 published applications in this corpus.
Search patents in A01C- Granted patents
- 435
- Published applications
- 461
- Assignees
- 166
- Inventors
- 714
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 1 |
| 2002 | 2 | 3 |
| 2003 | 7 | 6 |
| 2004 | 4 | 8 |
| 2005 | 5 | 10 |
| 2006 | 8 | 6 |
| 2007 | 4 | 2 |
| 2008 | 6 | 9 |
| 2009 | 5 | 10 |
| 2010 | 7 | 7 |
| 2011 | 2 | 3 |
| 2012 | 6 | 12 |
| 2013 | 6 | 13 |
| 2014 | 15 | 22 |
| 2015 | 10 | 15 |
| 2016 | 9 | 32 |
| 2017 | 23 | 15 |
| 2018 | 22 | 37 |
| 2019 | 29 | 31 |
| 2020 | 41 | 54 |
| 2021 | 25 | 32 |
| 2022 | 35 | 33 |
| 2023 | 24 | 19 |
| 2024 | 30 | 36 |
| 2025 | 22 | 27 |
| 2026 | 14 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Raised wall for hoppers, in particular for fertilizer spreading machines and hopper obtained in this manner22 Sep 2026US 12,740,506 B2Maschio Gaspardo S.P.A.
- Pneumatic conveyor device for granular material and agricultural distributing machine18 Aug 2026US 12,708,065 B2Lemken GmbH & Co.KG
- Air entrainment device, systems, methods, and apparatus7 Jul 2026US 12,672,598 B2Kinze Manufacturing, Inc.
- Mounting assembly for a hopper of an agricultural row unit7 Jul 2026US 12,672,599 B2CNH Industrial America LLC
- Modular system for agriculture field operations23 Jun 2026US 12,660,741 B2Kubota Corporation
- Systems and methods for agricultural additive delivery3 Sep 2026US 2026/0256044 A1Loam Bio Pty Ltd
- Air seeder pneumatic control system3 Sep 2026US 2026/0256051 A1Deere & Company
- Material spreader and agitator system and method16 Jul 2026US 2026/0200660 A1George A. Palmer, LTC, Charles Walters Equipment
- Broadcast spreader having a container9 Jul 2026US 2026/0191128 A1RAUCH Landmaschinenfabrik GmbH
- Predicting runout times for agricultural material in a container25 Jun 2026US 2026/0177413 A1Precision Planting LLC
Most cited
By later US patents
- Grain box insert for seeding implement100US 6,205,938 B1Deere & Company · 2001
- Seeding device with air distribution system86US 4,296,695 AWil-Rich, Inc. · 1981
- Multi compartment air seeder69US 5,592,889 ABourgault Industries Ltd. · 1997
- Aggregate material spreader66US 5,234,128 A1993
- Seed planter62US 4,449,642 AWeyerhaeuser Company · 1984