A01D 34/42
Having cutters rotating about a horizontal axis
Official title: having cutters rotating about a horizontal axis, e.g. cutting-cylinders
A01D34/42 (Having cutters rotating about a horizontal axis) appears on 543 US grants and 497 published applications in this corpus.
Search patents in A01D- Granted patents
- 543
- Published applications
- 497
- Assignees
- 198
- Inventors
- 954
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 10 | 0 |
| 1992 | 3 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 7 | 2 |
| 2002 | 6 | 8 |
| 2003 | 14 | 16 |
| 2004 | 10 | 10 |
| 2005 | 5 | 13 |
| 2006 | 8 | 11 |
| 2007 | 6 | 21 |
| 2008 | 16 | 9 |
| 2009 | 11 | 19 |
| 2010 | 15 | 24 |
| 2011 | 16 | 11 |
| 2012 | 8 | 10 |
| 2013 | 8 | 13 |
| 2014 | 12 | 20 |
| 2015 | 10 | 16 |
| 2016 | 15 | 21 |
| 2017 | 14 | 16 |
| 2018 | 15 | 30 |
| 2019 | 17 | 38 |
| 2020 | 30 | 34 |
| 2021 | 31 | 35 |
| 2022 | 19 | 28 |
| 2023 | 20 | 18 |
| 2024 | 20 | 28 |
| 2025 | 26 | 24 |
| 2026 | 22 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Working machine24 Sep 2026US 2026/0283068 A1Honda Motor Co., Ltd.
- Vehicle supporting a ground working implement3 Sep 2026US 2026/0256058 A1The Toro Company
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Most cited
By later US patents
- Electric drive riding greens mower142US 5,406,778 ARansomes America Corporation · 1995
- Electric drive mower with motor generator set123US 5,794,422 ARansomes America Corporation · 1998
- Removable battery tray system for an electrically powered mower85US 5,934,053 A1999
- Caster mounted reel mower84US 6,557,334 B22003
- Control system for electric drive riding mower83US 5,540,037 ARansomes America Corporation · 1996