A01D 69/08
Clutches
A01D69/08 (Clutches) appears on 110 US grants and 118 published applications in this corpus.
Search patents in A01D- Granted patents
- 110
- Published applications
- 118
- Assignees
- 56
- Inventors
- 255
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 3 |
| 2004 | 4 | 3 |
| 2005 | 2 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 3 | 3 |
| 2010 | 4 | 4 |
| 2011 | 3 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 8 |
| 2014 | 3 | 4 |
| 2015 | 4 | 6 |
| 2016 | 7 | 7 |
| 2017 | 4 | 12 |
| 2018 | 8 | 2 |
| 2019 | 8 | 7 |
| 2020 | 9 | 11 |
| 2021 | 5 | 7 |
| 2022 | 9 | 6 |
| 2023 | 5 | 5 |
| 2024 | 3 | 11 |
| 2025 | 10 | 4 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detection of corn head row unit slip clutch disengagement using perception system15 Sep 2026US 12,738,069 B2Deere & Company
- Lawn mower14 Jul 2026US 12,677,738 B2Techtronic Cordless GP
- Centrifugal clutch mechanisms28 Apr 2026US 12,612,949 B2Techtronic Cordless GP
- Electric power equipment17 Mar 2026US 12,576,724 B2Honda Motor Co., Ltd.
- Power transfer arrangement including coupling clutches for an agricultural vehicle3 Mar 2026US 12,565,914 B2CNH Industrial America LLC
- Clutch assembly with two outputs for an agricultural harvester row unit1 Oct 2026US 2026/0293813 A1CNH Industrial America LLC
- Walk-behind working machine20 Aug 2026US 2026/0240071 A1Nanjing Chervon Industry Co., Ltd.
- Mower and height adjustment method thereof12 Mar 2026US 2026/0068814 A1Greenworks (Jiangsu) Co., Ltd.
- String trimmer5 Mar 2026US 2026/0060172 A1Nanjing Chervon Industry Co., Ltd.
- Parallel hybrid system with electric motor for vehicle12 Feb 2026US 2026/0042342 A1
Most cited
By later US patents
- Power transmission system for working vehicle40US 7,673,712 B2Kanzaki Kokyukoki Mfg.Co., Ltd. · 2010
- HST unit37US 7,610,986 B2Kanzaki Kokyukoki Mfg.Co., Ltd. · 2009
- Power and cooling system for utility vehicle31US 10,093,169 B1Hydro-Gear Limited Partnership · 2018
- Appliance which utilizes a magnetic clutch to transmit power from a drive means to a movable member and a magnetic clutch30US 7,228,593 B2Polar Light Limited · 2007
- Apparatuses and methods for controlling a variable speed transmission24US 7,850,555 B2Honda Motor Co., Ltd. · 2010