A01B 33/144
With spring tools or resiliently-attached rigid tools
Official title: {with spring tools or resiliently-attached rigid tools}
A01B33/144 (With spring tools or resiliently-attached rigid tools) appears on 12 US grants and 2 published applications in this corpus.
Search patents in A01B- Granted patents
- 12
- Published applications
- 2
- Assignees
- 8
- Inventors
- 24
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sheath for a soil working roller5 Aug 2025US 12,376,508 B2Hamm AG
- Method for directionally swaying and resetting harrow teeth of rolling harrow loader-excavator and rolling harrow loader-excavator with directional sway and reset harrow teeth for implementing such method15 Jan 2019US 10,180,066 B2
- Rotary agricultural tool28 Dec 1993US 5,272,861 AKverneland Underhaug AS
- Device for chopping-up bulk material10 Dec 1991US 5,071,079 AUnderhaug
- Brush mower2 Apr 1991US 5,003,759 AJCB Leasing Corp.
- Sheath for a soil working roller3 Feb 2022US 2022/0030755 A1Hamm AG
- Method for directionally swaying and resetting harrow teeth of rolling harrow loader-excavator and rolling harrow loader-excavator with directional sway and reset harrow teeth for implementing such method15 Sep 2016US 2016/0265357 A1
Most cited
By later US patents
- Rotary agricultural tool24US 5,272,861 AKverneland Underhaug AS · 1993
- Tine assembly17US 4,611,669 AMTD Products Inc · 1986
- Device for chopping-up bulk material16US 5,071,079 AUnderhaug · 1991
- Brush mower14US 5,003,759 AJCB Leasing Corp. · 1991
- Tilling machine with pivotal bi-directional operative tines10US 4,706,761 ARoper Corporation · 1987