A01B 29/041
Of "cambridge"-type, i.e. the soil-pressing rings being stacked on a shaft
Official title: {of "Cambridge"-type, i.e. the soil-pressing rings being stacked on a shaft}
A01B29/041 (Of "cambridge"-type, i.e. the soil-pressing rings being stacked on a shaft) appears on 39 US grants and 39 published applications in this corpus.
Search patents in A01B- Granted patents
- 39
- Published applications
- 39
- Assignees
- 22
- Inventors
- 54
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 4 |
| 2014 | 3 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 4 | 3 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 5 | 1 |
| 2023 | 1 | 3 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Soil cultivation device14 Apr 2026US 12,599,052 B2Lemken GmbH & Co.KG
- Notched tires to shield planted crop rows25 Mar 2025US 12,257,861 B2Tribine Industries LLC
- Roller assembly for smoothing granular media25 Feb 2025US 12,232,437 B2Momentus Golf
- Tow-behind roller tool apparatuses, systems and methods3 Oct 2023US 11,770,989 B1ABI Attachments, Inc.
- Stalk eliminator20 Sep 2022US 11,445,661 B2
- Tool and tool holder for a rotary land preparation implement and vehicle thereof25 Jun 2026US 2026/0173990 A1
- Soil-cultivation device19 Jun 2025US 2025/0194449 A1Lemken GmbH & Co.KG
- Roller Ring for a Roller Body of a Soil-Tillage Device19 Sep 2024US 2024/0306523 A1Lemken GmbH & Co.KG
- Soil cultivation device21 Sep 2023US 2023/0292642 A1Lemken GmbH & Co.KG
- Notched Tires to Shield Planted Crop Rows13 Apr 2023US 2023/0111788 A1Tribine Industries LLC
Most cited
By later US patents
- Soil conditioning device21US 7,730,961 B2Terramanus Technologies LLC · 2010
- Land management apparatus for creating irrigation pools19US 5,628,372 A1997
- Cultivator wheel for agricultural machines18US 4,047,576 AMaschinenfabrik Rau oHG · 1977
- Agricultural implements with hinged and floating wings15US 8,118,110 B2Landoll Corporation · 2012
- Lawn striping assembly12US 6,962,039 B22005