A01B 39/14
For working ridges
Official title: for working ridges {, e.g. for rows of plants and/or furrows}
A01B39/14 (For working ridges) appears on 44 US grants and 14 published applications in this corpus.
Search patents in A01B- Granted patents
- 44
- Published applications
- 14
- Assignees
- 22
- Inventors
- 81
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 3 |
| 2024 | 1 | 0 |
| 2025 | 2 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Vibratory backfilling device for on-ridge transplant9 Sep 2025US 12,408,580 B1Longmen Laboratory
- Method for micro-ridge mixed-sowing cultivation of dryland crops7 Jan 2025US 12,185,655 B2Hunan Agriculture University
- Fluid covering implement21 May 2024US 11,985,915 B2Precision Planting LLC
- Strip freshener17 Dec 2019US 10,506,753 B1
- Plant maintenance apparatus with plant sensing members20 Feb 2018US 9,894,826 B2Plant Detection Systems Limited
- Vibratory backfilling device for on-ridge transplant11 Sep 2025US 2025/0280755 A1Longmen Laboratory
- Implements for displacing ground material31 Jul 2025US 2025/0241218 A1Claussen Technology, LLC
- Precision cultivator with vision guidance10 Jul 2025US 2025/0221327 A1MacDon Industries Ltd.
- Integrated row guidance system20 Feb 2025US 2025/0057064 A1MacDon Industries Ltd.
- Soil cultivator30 Nov 2023US 2023/0380320 A1
Most cited
By later US patents
- Cultivator row unit with ridger/bedder implement105US 4,461,355 AHiniker Company · 1984
- Ridge cleaning attachment for planters76US 4,553,607 A1985
- Row crop cultivator53US 4,834,189 AHiniker Company · 1989
- Angled rolling knives and method of weeding40US 4,489,787 A1984
- Row crop cultivator35US 4,819,737 AJ. I. Case Company · 1989