A01D 34/66
With two or more cutters
Official title: with two or more cutters
A01D34/66 (With two or more cutters) appears on 1,018 US grants and 930 published applications in this corpus.
Search patents in A01D- Granted patents
- 1,018
- Published applications
- 930
- Assignees
- 228
- Inventors
- 1,595
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 14 | 0 |
| 1981 | 17 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 19 | 0 |
| 1985 | 11 | 0 |
| 1986 | 4 | 0 |
| 1987 | 17 | 0 |
| 1988 | 12 | 0 |
| 1989 | 18 | 0 |
| 1990 | 16 | 0 |
| 1991 | 11 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 20 | 0 |
| 1999 | 20 | 0 |
| 2000 | 13 | 0 |
| 2001 | 7 | 3 |
| 2002 | 12 | 9 |
| 2003 | 12 | 19 |
| 2004 | 17 | 11 |
| 2005 | 10 | 11 |
| 2006 | 13 | 11 |
| 2007 | 4 | 14 |
| 2008 | 13 | 15 |
| 2009 | 17 | 18 |
| 2010 | 17 | 13 |
| 2011 | 23 | 18 |
| 2012 | 17 | 15 |
| 2013 | 12 | 17 |
| 2014 | 15 | 35 |
| 2015 | 18 | 31 |
| 2016 | 24 | 36 |
| 2017 | 39 | 51 |
| 2018 | 33 | 52 |
| 2019 | 45 | 77 |
| 2020 | 58 | 77 |
| 2021 | 60 | 66 |
| 2022 | 57 | 64 |
| 2023 | 45 | 59 |
| 2024 | 56 | 79 |
| 2025 | 62 | 75 |
| 2026 | 57 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mower deck drag link6 Oct 2026US 12,751,355 B2Deere & Company
- Compact stand on mower deck belt system6 Oct 2026US 12,751,356 B2Deere & Company
- Electric riding mower with grass collecting duct6 Oct 2026US 12,751,367 B2Nanjing Chervon Industry Co., Ltd.
- Stand-on mower29 Sep 2026US 12,745,699 B2Greenworks (Jiangsu) Co., Ltd.
- Mower drive belt tensioner and drive train of mower22 Sep 2026US 12,742,488 B2Kubota Corporation
- Mower deck with torque monitoring8 Oct 2026US 2026/0305528 A1The Toro Company
- Windrow sensing attachment for a mower implement8 Oct 2026US 2026/0305529 A1Deere & Company
- Mowing deck assembly with onboard controller and outdoor power machine with mowing deck assembly24 Sep 2026US 2026/0283070 A1Greenworks (Jiangsu) Co., Ltd.
- Riding mower3 Sep 2026US 2026/0256053 A1Nanjing Chervon Industry Co., Ltd.
- Slip-state determination method, stuck-state determination method, storage medium, slip-state determination device, and stuck-state determination device27 Aug 2026US 2026/0249707 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Power mower with riding platform for supporting standing-operator108US 5,507,138 AWright Manufacturing, Inc. · 1996
- Rear discharge mower unit and lawn tractor97US 6,038,840 AKubota Corporation · 2000
- Electric drive riding mower82US 7,610,975 B1The Toro Company · 2009
- Self propelled lawn mower75US 4,395,865 A1983
- Mowing apparatus71US 4,589,249 AWalker Manufacturing Company · 1986