A01D 34/74
Cutting-height adjustment
A01D34/74 (Cutting-height adjustment) appears on 390 US grants and 425 published applications in this corpus.
Search patents in A01D- Granted patents
- 390
- Published applications
- 425
- Assignees
- 148
- Inventors
- 905
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 6 | 4 |
| 2003 | 2 | 3 |
| 2004 | 3 | 3 |
| 2005 | 3 | 4 |
| 2006 | 8 | 8 |
| 2007 | 3 | 9 |
| 2008 | 7 | 10 |
| 2009 | 7 | 7 |
| 2010 | 8 | 8 |
| 2011 | 8 | 8 |
| 2012 | 5 | 4 |
| 2013 | 6 | 4 |
| 2014 | 3 | 8 |
| 2015 | 6 | 9 |
| 2016 | 7 | 9 |
| 2017 | 11 | 25 |
| 2018 | 11 | 18 |
| 2019 | 19 | 32 |
| 2020 | 20 | 27 |
| 2021 | 31 | 44 |
| 2022 | 21 | 31 |
| 2023 | 28 | 34 |
| 2024 | 27 | 42 |
| 2025 | 26 | 41 |
| 2026 | 34 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compact stand on mower deck belt system6 Oct 2026US 12,751,356 B2Deere & Company
- Mower and height adjustment method of mower6 Oct 2026US 12,751,357 B2Greenworks (Jiangsu) Co., Ltd.
- Vehicle with deck alignment8 Sep 2026US 12,727,529 B2Transform Sr Brands LLC
- Autonomous mower with adjustable cutting height8 Sep 2026US 12,727,531 B2The Toro Company
- System and method for autonomous lawn care25 Aug 2026US 12,714,015 B2Euchron, Inc.
- Autonomous operation device1 Oct 2026US 2026/0293802 A1Zhejiang Sunseeker Industrial Co., Ltd.
- Autonomous activation of outdoor power equipment27 Aug 2026US 2026/0248066 A1Husqvarna AB
- Cutting assembly, pair of cutting assemblies, and lawnmower comprising one or more cutting assemblies23 Jul 2026US 2026/0206681 A1Husqvarna AB
- Dual-Height Mowing System and Method of Use23 Jul 2026US 2026/0206682 A1
- Rear-discharge mower2 Jul 2026US 2026/0182494 A1Kubota Corporation
Most cited
By later US patents
- Battery-powered lawn cutting system97US 5,606,851 ABriggs & Stratton Corporation · 1997
- Riding lawn mower including a mower deck height control mechanism86US 5,816,033 AExmark Mfg. Co., Inc. · 1998
- Remotely controlled lawn mower77US 4,964,265 A1990
- Method of guiding a robotic lawnmower62US 4,777,785 A1988
- Implement supporting and lifting linkage57US 4,120,136 AMassey-Ferguson Inc. · 1978