A01F 29/02
Cutting apparatus specially adapted for cutting hay, straw or the like: having
Official title: having rotating knives with their cutting edges in a plane perpendicular to their rotational axis
A01F29/02 (Cutting apparatus specially adapted for cutting hay, straw or the like: having) appears on 86 US grants and 90 published applications in this corpus.
Search patents in A01F- Granted patents
- 86
- Published applications
- 90
- Assignees
- 51
- Inventors
- 178
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 6 |
| 2012 | 1 | 0 |
| 2013 | 4 | 0 |
| 2014 | 1 | 5 |
| 2015 | 1 | 3 |
| 2016 | 2 | 4 |
| 2017 | 3 | 4 |
| 2018 | 1 | 4 |
| 2019 | 8 | 11 |
| 2020 | 8 | 10 |
| 2021 | 4 | 6 |
| 2022 | 6 | 7 |
| 2023 | 11 | 2 |
| 2024 | 4 | 14 |
| 2025 | 5 | 5 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Material processing barrel and associated material processing system15 Sep 2026US 12,733,578 B2Seed Terminator Holdings Pty Ltd
- Weed seed destruction in a combine harvester a straw spreading section and a destructor housing which are coupled together to form a single unit8 Sep 2026US 12,727,534 B2Tritana Intellectual Property Ltd.
- Weed seed destruction in a combine harvester having a straw spreading section and a weed seed destructor with a guide component for directing the crop material8 Sep 2026US 12,727,535 B2Tritana Intellectual Property Ltd.
- Straw processing system8 Sep 2026US 12,727,548 B2Wantech Pty Ltd.
- Mixer knife and apparatus with mixer knife2 Jun 2026US 12,642,247 B2Kooima Ag, Inc.
- Crop cutting device1 Jan 2026US 2026/0000030 A1CNH Industrial Belgium N. V.
- A spreader apparatus10 Jul 2025US 2025/0221345 A1Spread-A-Bale Limited
- Method for reduction of chopper recut19 Jun 2025US 2025/0194469 A1CNH Industrial America LLC
- Mixer knife and apparatus with mixer knife1 May 2025US 2025/0134061 A1Kooima Ag, Inc.
- Straw Chopper for a Combine Harvester13 Feb 2025US 2025/0048973 A1AGCO do Brasil Soluções Agrícolas Ltda.
Most cited
By later US patents
- Straw cutter33US 5,042,973 A1991
- Residue handling system for an agricultural harvester23US 9,635,813 B2CNH Industrial America LLC · 2017
- Residue handling system for an agricultural harvester21US 10,653,069 B2CNH Industrial America LLC · 2020
- Comminuting apparatus18US 4,087,051 A1978
- Biomass baler18US 8,464,508 B2AGCO Corporation · 2013