A01C 7/107
Calibration of the seed rate
Official title: {Calibration of the seed rate}
A01C7/107 (Calibration of the seed rate) appears on 101 US grants and 107 published applications in this corpus.
Search patents in A01C- Granted patents
- 101
- Published applications
- 107
- Assignees
- 35
- Inventors
- 178
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 2 | 4 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 4 |
| 2013 | 3 | 1 |
| 2014 | 1 | 6 |
| 2015 | 3 | 3 |
| 2016 | 6 | 8 |
| 2017 | 3 | 0 |
| 2018 | 6 | 8 |
| 2019 | 5 | 12 |
| 2020 | 10 | 8 |
| 2021 | 7 | 9 |
| 2022 | 8 | 9 |
| 2023 | 6 | 11 |
| 2024 | 7 | 8 |
| 2025 | 6 | 4 |
| 2026 | 9 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Seed meter controller and associated testing devices, system, and methods25 Aug 2026US 12,714,007 B2Ag Leader Technology
- Air cart with modular metering system16 Jun 2026US 12,656,167 B2Precision Planting LLC
- Meter module for metering product2 Jun 2026US 12,644,753 B2Precision Planting LLC
- Automatically detecting or estimating material delivery delays and machine control12 May 2026US 12,623,863 B2Deere & Company
- Methods, systems, and apparatuses for bulk material meter calibration24 Mar 2026US 12,584,780 B2Deere & Company
- Look-ahead calibration and out-of-calibration detection or response for sectional control technology of an air seeding apparatus23 Jul 2026US 2026/0206677 A1Vaderstad Industries Inc.
- Seed drill calibration device and method19 Mar 2026US 2026/0076288 A1
- Collecting Device for Determining a Distribution of Agricultural Spreading Material19 Mar 2026US 2026/0076289 A1Amazonen-Werke H. Dreyer SE & Co. KG
- Continuous material application rate calibration with error identification and cause identification cart tank contents9 Oct 2025US 2025/0311658 A1Deere & Company
- Wireless Calibration of Electronic Applicator Controls28 Aug 2025US 2025/0269392 A1Stinger Equipment, Inc.
Most cited
By later US patents
- Particulate flow sensing for an agricultural implement69US 8,504,310 B2Deere & Company · 2013
- Test stand for calibrating seed meters54US 5,938,071 A1999
- Method and apparatus for calibrating seeders42US 8,170,825 B2One Pass Implements Inc. · 2012
- Distribution manifold for air seeder41US 5,980,163 ADeere & Company · 1999
- Apparatus and method for testing seed singulation of a seed meter40US 7,086,269 B2Precision Planting LLC · 2006