A01D 75/08
Sharpening apparatus fixed to the harvester or mower
A01D75/08 (Sharpening apparatus fixed to the harvester or mower) appears on 21 US grants and 13 published applications in this corpus.
Search patents in A01D- Granted patents
- 21
- Published applications
- 13
- Assignees
- 15
- Inventors
- 54
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 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 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 3 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Grinding positioning plate for reel-type mower unit21 Nov 2023US 11,819,974 B2Foley United LLC
- Method for sharpening knives of an agricultural vehicle27 Dec 2022US 11,534,882 B2CNH Industrial America LLC
- Lawn mower having a maintenance tool for maintaining a cutting blade22 Nov 2022US 11,503,768 B2Honda Motor Co., Ltd.
- Cross-flow horizontal rotary mower5 Apr 2022US 11,291,158 B2HRM Enterprises, Inc.
- Agricultural implement mountable blade sharpening system8 Apr 2014US 8,690,642 B2CNH America LLC
- Mower23 Jan 2025US 2025/0024779 A1Allett Limited
- Docking Unit For A Lawn Mower Blade Sharpening And Task Robot12 Sep 2024US 2024/0298577 A1
- Sharpening Parameter And Determination System For A Lawn Mower Blade Sharpening And Task Robot5 Sep 2024US 2024/0293913 A1
- Orientation, Acclimation, Navigation, and Location System for a Lawn Mower Blade Sharpening and Task Apparatus5 Sep 2024US 2024/0295884 A1
- Self-propelled forage harvester and method for operating a forage harvester27 Jul 2023US 2023/0232740 A1CLAAS Selbstfahrende Erntemaschinen GmbH
Most cited
By later US patents
- Grinding machine and method of sharpening grass mower bedknives16US 5,725,415 A1998
- Process for sharpening the knives of a rotating drum and adjusting the fixed counter-knife cooperating therewith and device for carrying out this process14US 5,209,025 AHesston Braud · 1993
- Mower of the cross-flow blower type with blades of opposite helix angle12US 4,109,447 A1978
- Crossflow mower with automatic brake/sharpener11US 4,127,980 A1978
- Forage harvester cutterhead and method of sharpening10US 4,319,718 ASperry Corporation · 1982