A01F 29/06
Cutting apparatus specially adapted for cutting hay, straw or the like: having
Official title: having rotating knives with their cutting edges on a cylinder surface, e.g. of the helical-type
A01F29/06 (Cutting apparatus specially adapted for cutting hay, straw or the like: having) appears on 80 US grants and 54 published applications in this corpus.
Search patents in A01F- Granted patents
- 80
- Published applications
- 54
- Assignees
- 33
- Inventors
- 149
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 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 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 3 |
| 2018 | 6 | 11 |
| 2019 | 8 | 7 |
| 2020 | 5 | 4 |
| 2021 | 5 | 7 |
| 2022 | 2 | 3 |
| 2023 | 7 | 5 |
| 2024 | 4 | 2 |
| 2025 | 8 | 5 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mixer knife and apparatus with mixer knife2 Jun 2026US 12,642,247 B2Kooima Ag, Inc.
- Chopping blade of a forage harvester and method for producing said chopping blade24 Feb 2026US 12,557,734 B2CLAAS Saulgau GmbH
- Bale ripper assembly for feed mixer apparatus25 Nov 2025US 12,478,037 B2Kooima Ag, Inc.
- Agricultural baler with conditioning rotor and shear bar for feeding baling chamber11 Nov 2025US 12,464,983 B2CNH Industrial America LLC
- Tool for mounting a chopping knife on a chopping drum21 Oct 2025US 12,447,596 B2Maschinenfabrik Bernard Krone GmbH
- Adjustment Tool for Adjusting the Chopper Knives of a Forage Harvester20 Nov 2025US 2025/0351779 A1AGCO International GmbH
- Apparatus and method for processing roughages2 Oct 2025US 2025/0302074 A1
- Mixer knife and apparatus with mixer knife1 May 2025US 2025/0134061 A1Kooima Ag, Inc.
- Tool for mounting a chopping knife on a choping drum27 Feb 2025US 2025/0065479 A1Maschinenfabrik Bernard Krone GmbH
- Chopper assembly for an agricultural harvester2 Jan 2025US 2025/0000030 A1CNH Industrial America LLC
Most cited
By later US patents
- Shredbar apparatus31US 4,383,652 ASperry Corporation · 1983
- Method and means for adjusting a forage harvester shear bar relative to a rotating chopping cylinder20US 4,474,336 AGehl Company · 1984
- Harvester cutterhead19US 4,061,284 ADeere & Company · 1977
- Forage harvester recutter screen17US 4,505,434 ASperry Corporation · 1985
- Adjustable shear bar for a harvester cutterhead15US 4,190,209 ADeere & Company · 1980