A01D 41/1271
For measuring crop flow
Official title: {for measuring crop flow}
A01D41/1271 (For measuring crop flow) appears on 405 US grants and 495 published applications in this corpus.
Search patents in A01D- Granted patents
- 405
- Published applications
- 495
- Assignees
- 88
- Inventors
- 829
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 1 |
| 2002 | 11 | 4 |
| 2003 | 5 | 2 |
| 2004 | 2 | 3 |
| 2005 | 3 | 3 |
| 2006 | 3 | 2 |
| 2007 | 1 | 5 |
| 2008 | 2 | 2 |
| 2009 | 1 | 0 |
| 2010 | 3 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 4 | 18 |
| 2015 | 6 | 9 |
| 2016 | 6 | 30 |
| 2017 | 29 | 32 |
| 2018 | 28 | 31 |
| 2019 | 38 | 33 |
| 2020 | 27 | 52 |
| 2021 | 24 | 41 |
| 2022 | 20 | 33 |
| 2023 | 31 | 44 |
| 2024 | 28 | 59 |
| 2025 | 33 | 41 |
| 2026 | 39 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Devices and methods for automated concave covers6 Oct 2026US 12,751,364 B2Deere & Company
- Sensory assembly for detecting the height of a mixture on a conveyor floor and/or sieve of a cleaning system of a combine harvester29 Sep 2026US 12,745,704 B2Deere & Company
- Dual grain camera for a clean grain transporter of a combine harvester cleaning system29 Sep 2026US 12,745,705 B2CNH Industrial Belgium N. V.
- Overblown grain loss detection22 Sep 2026US 12,740,510 B2Deere & Company
- Systems and methods for updating a calibration of a harvester flow rate sensor during unloading of a crop material22 Sep 2026US 12,742,672 B2CNH Industrial America LLC
- Overblown grain loss detection1 Oct 2026US 2026/0293805 A1Deere & Company
- Harvesting operation monitoring17 Sep 2026US 2026/0271830 A1
- System and method for measuring loss of useable portions of crop during harvest10 Sep 2026US 2026/0262570 A1
- Automatic harvest state detection and settings change control3 Sep 2026US 2026/0256055 A1Deere & Company
- Autonomous Agricultural System Including a Guidance System for Detecting a Combine Harvester Via a SWIR Sensor and Causing the Autonomous Agricultural System to Align with the Combine Harvester, and Related Methods27 Aug 2026US 2026/0248069 A1AGCO International GmbH
Most cited
By later US patents
- Grain sensor using a piezoelectric element143US 4,401,909 ADickey-john Corporation · 1983
- Flow metering device113US 4,765,190 AFord New Holland, Inc. · 1988
- Harvesting machine capable of automatic adjustment109US 9,629,308 B2Intelligent Agricultural Solutions LLC · 2017
- Yield estimation104US 10,188,037 B2Deere & Company · 2019
- Multi-variable yield monitor and methods for the same98US 9,410,840 B2Raven Industries, Inc. · 2016