A01B 45/026
Scarifiers comprising a knife reel actively driven around a substantially horizontal shaft
Official title: {Scarifiers comprising a knife reel actively driven around a substantially horizontal shaft}
A01B45/026 (Scarifiers comprising a knife reel actively driven around a substantially horizontal shaft) appears on 114 US grants and 100 published applications in this corpus.
Search patents in A01B- Granted patents
- 114
- Published applications
- 100
- Assignees
- 57
- Inventors
- 132
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 2 |
| 2003 | 3 | 7 |
| 2004 | 7 | 5 |
| 2005 | 1 | 9 |
| 2006 | 6 | 4 |
| 2007 | 4 | 0 |
| 2008 | 3 | 8 |
| 2009 | 3 | 2 |
| 2010 | 5 | 3 |
| 2011 | 4 | 3 |
| 2012 | 4 | 1 |
| 2013 | 0 | 4 |
| 2014 | 1 | 4 |
| 2015 | 4 | 7 |
| 2016 | 5 | 6 |
| 2017 | 7 | 3 |
| 2018 | 4 | 4 |
| 2019 | 4 | 2 |
| 2020 | 3 | 3 |
| 2021 | 3 | 5 |
| 2022 | 1 | 4 |
| 2023 | 4 | 3 |
| 2024 | 3 | 3 |
| 2025 | 4 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Lawn aerator having tine assemblies spaced along a shaft63US 5,680,903 ABluebird International, Inc. · 1997
- Earth working apparatus including aerators and material dispensers61US 4,336,760 AImproved Lawn Equipment Corporation · 1982
- Aerator60US 6,102,129 AClassen Enterprises, Inc. · 2000
- Driven tine wheel type aerator having improved tine geometry57US 4,773,486 AOutboard Marine Corporation · 1988
- Aerating apparatus56US 5,119,880 ABluebird International, Inc. · 1992