A01D 23/00
Topping machines
A01D23/00 (Topping machines) appears on 44 US grants and 25 published applications in this corpus.
Search patents in A01D- Granted patents
- 44
- Published applications
- 25
- Assignees
- 29
- Inventors
- 95
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 4 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cutting device for cutting plants7 Apr 2026US 12,593,745 B2Grimme Landmaschinenfabrik GmbH & Co. KG
- 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
- Pruning apparatus9 Jan 2024US 11,864,497 B2
- Harvester topper height adjustment system and method8 Oct 2026US 2026/0305525 A1Deere & Company
- Identification, counting, and disease detection using artificial intelligence for automated food product harvesting2 Jul 2026US 2026/0182491 A1
- Radar support structure for sugarcane harvester23 Apr 2026US 2026/0107879 A1Deere & Company
- Device for removing garlic inflorescences.16 Apr 2026US 2026/0101838 A1
- 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
Most cited
By later US patents
- Harvesting machine having blower damage prevention means24US 5,024,278 ALee Shuknecht & Sons, Inc. · 1991
- Material handling apparatus19US 5,190,140 AJ-Star Industries, Inc. · 1993
- Row crop harvester with adjustable picking heads13US 4,185,696 ADixon "Y" Machine, Incorporated · 1980
- Automated device and method for harvesting plants with uniform stem length13US 5,058,369 A1991
- Bulbous onion harvester and trimmer13US 6,443,234 B12002