A01C 7/00
Sowing
A01C7/00 (Sowing) appears on 3,939 US grants and 3,757 published applications in this corpus.
Search patents in A01C- Granted patents
- 3,939
- Published applications
- 3,757
- Assignees
- 805
- Inventors
- 4,050
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 34 | 0 |
| 1978 | 31 | 0 |
| 1979 | 29 | 0 |
| 1980 | 27 | 0 |
| 1981 | 43 | 0 |
| 1982 | 16 | 0 |
| 1983 | 29 | 0 |
| 1984 | 33 | 0 |
| 1985 | 35 | 0 |
| 1986 | 35 | 0 |
| 1987 | 38 | 0 |
| 1988 | 35 | 0 |
| 1989 | 21 | 0 |
| 1990 | 29 | 0 |
| 1991 | 34 | 0 |
| 1992 | 23 | 0 |
| 1993 | 15 | 0 |
| 1994 | 25 | 0 |
| 1995 | 24 | 0 |
| 1996 | 42 | 0 |
| 1997 | 38 | 0 |
| 1998 | 46 | 0 |
| 1999 | 58 | 0 |
| 2000 | 46 | 0 |
| 2001 | 71 | 8 |
| 2002 | 40 | 39 |
| 2003 | 60 | 52 |
| 2004 | 42 | 34 |
| 2005 | 34 | 59 |
| 2006 | 46 | 47 |
| 2007 | 45 | 45 |
| 2008 | 49 | 72 |
| 2009 | 51 | 55 |
| 2010 | 61 | 92 |
| 2011 | 60 | 91 |
| 2012 | 59 | 130 |
| 2013 | 100 | 105 |
| 2014 | 113 | 173 |
| 2015 | 98 | 173 |
| 2016 | 143 | 230 |
| 2017 | 227 | 232 |
| 2018 | 220 | 256 |
| 2019 | 218 | 276 |
| 2020 | 246 | 338 |
| 2021 | 188 | 257 |
| 2022 | 189 | 215 |
| 2023 | 190 | 209 |
| 2024 | 188 | 244 |
| 2025 | 229 | 186 |
| 2026 | 161 | 139 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A01C 7/08Broadcast seeders1,994
- A01C 7/20Parts of seeders for conducting and depositing seed1,773
- A01C 7/04Single-grain seeders with or without suction devices815
- A01C 7/06Seeders combined with fertilising apparatus583
- A01C 7/006Minimum till seeding260
- A01C 7/02Hand sowing implements134
- A01C 7/004Sowing: using liquid seeding techniques77
- A01C 7/008Sod or grassland seeding61
All 10 subgroupsShow fewer
Recent patents
- Gauge arm6 Oct 2026US 12,751,349 B2
- Fertilizer and row cleaner modules for agricultural row planter6 Oct 2026US 12,751,352 B2Harvest International, Inc.
- Supply system for agricultural equipment29 Sep 2026US 12,745,693 B2Smith Fox LLC
- Seed meter with integral mounting method for row crop planter and associated systems and methods29 Sep 2026US 12,745,694 B2Ag Leader Technology
- Residue management system for an agricultural row unit assembly29 Sep 2026US 12,745,695 B2Clean Seed Agricultural Technologies Ltd.
- Agricultural material ejection apparatus8 Oct 2026US 2026/0305519 A1Kubota Corporation
- Distribution assembly for a seed drill with an associated clearance adjustment device and associated seed drill8 Oct 2026US 2026/0305520 A1Kuhn S. A.
- Flow Device for at Least Partially Guiding a Conveyed Material Flow, Distributor Head for an Agricultural Spreading Machine and Agricultural Spreading Machine8 Oct 2026US 2026/0305521 A1Amazonen-Werke H. Dreyer SE & Co. KG
- Actuator for setting seed depth for a row unit on a planter8 Oct 2026US 2026/0305522 A1Deere & Company
- Control method and apparatus for load of movable platform, and movable platform and medium8 Oct 2026US 2026/0305523 A1Sz Dji Technology Co., Ltd.
Most cited
By later US patents
- Variable rate agricultural product application implement with multiple inputs and feedback280US 6,070,539 ACase Corporation · 2000
- Depth control device for planting implement228US 6,701,857 B12004
- Dynamic controller of excess downpressure for surface engaging implement217US 6,389,999 B12002
- Liquid dispenser for seed planter188US 5,730,074 AFarmer Fabrications, Inc. · 1998
- Method of optimizing utilization of a group of agricultural machine184US 5,712,782 AClaas KGaA · 1998