A01D 34/63
Having cutters rotating about a vertical axis
Official title: having cutters rotating about a vertical axis
A01D34/63 (Having cutters rotating about a vertical axis) appears on 4,249 US grants and 3,534 published applications in this corpus.
Search patents in A01D- Granted patents
- 4,249
- Published applications
- 3,534
- Assignees
- 712
- Inventors
- 5,422
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 41 | 0 |
| 1977 | 54 | 0 |
| 1978 | 44 | 0 |
| 1979 | 45 | 0 |
| 1980 | 56 | 0 |
| 1981 | 68 | 0 |
| 1982 | 60 | 0 |
| 1983 | 29 | 0 |
| 1984 | 48 | 0 |
| 1985 | 51 | 0 |
| 1986 | 38 | 0 |
| 1987 | 56 | 0 |
| 1988 | 60 | 0 |
| 1989 | 69 | 0 |
| 1990 | 83 | 0 |
| 1991 | 71 | 0 |
| 1992 | 65 | 0 |
| 1993 | 64 | 0 |
| 1994 | 54 | 0 |
| 1995 | 55 | 0 |
| 1996 | 48 | 0 |
| 1997 | 36 | 0 |
| 1998 | 81 | 0 |
| 1999 | 73 | 0 |
| 2000 | 74 | 0 |
| 2001 | 63 | 20 |
| 2002 | 75 | 77 |
| 2003 | 68 | 85 |
| 2004 | 74 | 70 |
| 2005 | 59 | 80 |
| 2006 | 58 | 80 |
| 2007 | 53 | 82 |
| 2008 | 57 | 82 |
| 2009 | 74 | 101 |
| 2010 | 81 | 65 |
| 2011 | 71 | 78 |
| 2012 | 74 | 84 |
| 2013 | 62 | 87 |
| 2014 | 69 | 125 |
| 2015 | 79 | 113 |
| 2016 | 102 | 141 |
| 2017 | 157 | 182 |
| 2018 | 112 | 172 |
| 2019 | 147 | 213 |
| 2020 | 182 | 247 |
| 2021 | 171 | 236 |
| 2022 | 171 | 221 |
| 2023 | 189 | 219 |
| 2024 | 177 | 271 |
| 2025 | 212 | 223 |
| 2026 | 189 | 180 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A01D 34/64Mounted on a vehicle1,650
- A01D 34/67Hand-guided by a walking operator1,033
- A01D 34/82Other details994
- A01D 34/76Driving mechanisms for the cutters692
- A01D 34/73Cutting apparatus570
- A01D 34/74Cutting-height adjustment390
- A01D 34/81Casings340
- A01D 34/71With means for discharging mown material215
All 9 subgroupsShow fewer
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