A01B 61/046
The device including an energy accumulator for restoring the tool to its
Official title: {the device including an energy accumulator for restoring the tool to its working position}
A01B61/046 (The device including an energy accumulator for restoring the tool to its) appears on 269 US grants and 222 published applications in this corpus.
Search patents in A01B- Granted patents
- 269
- Published applications
- 222
- Assignees
- 98
- Inventors
- 338
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 4 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 4 | 3 |
| 2011 | 3 | 6 |
| 2012 | 7 | 16 |
| 2013 | 13 | 20 |
| 2014 | 12 | 19 |
| 2015 | 7 | 13 |
| 2016 | 12 | 12 |
| 2017 | 13 | 16 |
| 2018 | 14 | 23 |
| 2019 | 15 | 10 |
| 2020 | 14 | 19 |
| 2021 | 10 | 12 |
| 2022 | 17 | 9 |
| 2023 | 8 | 10 |
| 2024 | 10 | 5 |
| 2025 | 4 | 10 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Tillage apparatuses and related methods17 Sep 2026US 2026/0271817 A1Honey Bee Manufacturing Ltd.
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- An Auxiliary Point Device, A Soil Working Tool And Agricultural Implement Comprising Such, A Mounting Device, An Auxiliary Point, A Method Of Modifying And Operating An Agricultural Implement23 Jul 2026US 2026/0206667 A1
- Harvesting device16 Jul 2026US 2026/0198410 A1Poppe Group B.V.
Most cited
By later US patents
- Row unit for agricultural implement161US 8,544,397 B2Dawn Equipment Company · 2013
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- Row-clearing unit for agricultural implement103US 7,673,570 B1Dawn Equipment Company · 2010
- Hydraulic down pressure control system for closing wheels of an agricultural implement90US 8,544,398 B2Dawn Equipment Company · 2013