A01C 17/00
Fertilisers or seeders with centrifugal wheels
A01C17/00 (Fertilisers or seeders with centrifugal wheels) appears on 358 US grants and 328 published applications in this corpus.
Search patents in A01C- Granted patents
- 358
- Published applications
- 328
- Assignees
- 164
- Inventors
- 558
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 6 |
| 2003 | 9 | 12 |
| 2004 | 5 | 4 |
| 2005 | 9 | 7 |
| 2006 | 5 | 6 |
| 2007 | 3 | 3 |
| 2008 | 3 | 2 |
| 2009 | 2 | 2 |
| 2010 | 3 | 8 |
| 2011 | 6 | 8 |
| 2012 | 1 | 9 |
| 2013 | 5 | 11 |
| 2014 | 12 | 10 |
| 2015 | 7 | 16 |
| 2016 | 14 | 18 |
| 2017 | 20 | 17 |
| 2018 | 11 | 17 |
| 2019 | 16 | 16 |
| 2020 | 17 | 35 |
| 2021 | 9 | 24 |
| 2022 | 16 | 23 |
| 2023 | 19 | 14 |
| 2024 | 19 | 20 |
| 2025 | 20 | 15 |
| 2026 | 9 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fertilizer/chemical dispensers for lawn care having intelligent dispensing systems (smart dispenser logic) and associated method of use1 Sep 2026US 12,721,254 B2
- Method and apparatus used for biological control of agricultural pests25 Aug 2026US 12,715,581 B2
- Camera based flow detection14 Jul 2026US 12,677,726 B2Deere & Company
- Fertilization cart14 Jul 2026US 12,677,730 B2Qingdao Huatian Hand Truck Co., Ltd.
- Residue spread monitoring16 Jun 2026US 12,653,100 B2AGCO International GmbH
- Drone, and conveying device for use in a drone17 Sep 2026US 2026/0274414 A1LEHNER Maschinenbau GmbH
- Material flow monitoring20 Aug 2026US 2026/0240075 A1
- Reversible fan blade assembly6 Aug 2026US 2026/0223767 A1Brinly-Hardy Co., Inc.
- Dual sided impeller for particle spreader6 Aug 2026US 2026/0225820 A1
- Method for Dispensing Spreading Material Using an Agricultural Spreader23 Jul 2026US 2026/0206678 A1Amazonen-Werke H. Dreyer SE & Co. KG
Most cited
By later US patents
- Method and apparatus for spreading fertilizer208US 4,630,773 ASoil Teq., Inc. · 1986
- Closed-loop variable rate applicator104US 5,355,815 AAg-Chem Equipment Co., Inc. · 1994
- Mount and feeder arrangement for a precision placement spreader97US 6,220,532 B1The Louis Berkman Company · 2001
- Apparatus and system for synchronized application of one or more materials to a surface from a vehicle and control of a vehicle mounted variable positions snow removal device75US 5,904,296 A1999
- Method and apparatus for prescription application of products to an agricultural field74US 6,266,595 B12001