A01D 2023/026
Devices with movable knives for topping
Official title: {Devices with movable knives for topping, e.g. rotatable cutting disks}
A01D2023/026 (Devices with movable knives for topping) appears on 19 US grants and 7 published applications in this corpus.
Search patents in A01D- Granted patents
- 19
- Published applications
- 7
- Assignees
- 12
- Inventors
- 32
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
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| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
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| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Haulm cutting apparatus9 Dec 2025US 12,490,673 B2MSR Technology ApS
- Array cutting knife-type cotton topping machine and control method thereof23 Sep 2025US 12,419,229 B2Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs
- Beet scalper12 Mar 2024US 11,925,138 B2
- Longitudinal leaf stripper and corresponding beet harvesting machine30 Jun 2020US 10,694,662 B2Exel Industries
- Device for removing vines from sweet potato and the like25 Jun 2019US 10,327,382 B2
- Array cutting knife-type cotton topping machine and control method thereof17 Apr 2025US 2025/0120350 A1Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs
- Beet scalper3 Nov 2022US 2022/0346308 A1
- Foliage-processing device movable over land in a direction of travel as well as harvester comprising a foliage-processing device6 Oct 2022US 2022/0312667 A1Ploeger Oxbo Europe B.V.
- A Haulm Cutting Apparatus19 May 2022US 2022/0151151 A1MSR Technology ApS
- Device for removing vines from sweet potato and the like6 Dec 2018US 2018/0343795 A1
Most cited
By later US patents
- Material handling apparatus19US 5,190,140 AJ-Star Industries, Inc. · 1993
- Impeller assembly10US 4,964,502 AVan Dale, Inc. · 1990
- Device and system for cutting the tops of onions and other bulb crops10US 9,167,747 B12015
- Vegetable topper and method for topping tuber vegetables8US 5,107,664 AVeggie Vac Company · 1992
- Impeller assembly6US 5,147,030 AVan Dale, Inc. · 1992