A01B 13/02
Ploughs or like machines for special purposes: for making or working ridges
Official title: for making or working ridges, e.g. with symmetrically arranged mouldboards
A01B13/02 (Ploughs or like machines for special purposes: for making or working ridges) appears on 40 US grants and 17 published applications in this corpus.
Search patents in A01B- Granted patents
- 40
- Published applications
- 17
- Assignees
- 23
- Inventors
- 77
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vibratory backfilling device for on-ridge transplant9 Sep 2025US 12,408,580 B1Longmen Laboratory
- Adjustable closing system for an agricultural implement3 Oct 2023US 11,770,988 B2CNH Industrial America LLC
- Mulching machine12 Apr 2022US 11,297,752 B2Yanmar Power Technology Co., Ltd.
- Strip-till knife with wings3 Aug 2021US 11,076,522 B2CNH Industrial America LLC
- Row digger17 Apr 2018US 9,943,021 B2
- Evaluation system and evaluation method8 Jan 2026US 2026/0011142 A1Kubota Corporation
- 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
- Adjustable closing system for an agricultural implement10 Sep 2020US 2020/0281107 A1CNH Industrial America LLC
- Strip-Till Knife With Wings7 May 2020US 2020/0137940 A1CNH Industrial America LLC
Most cited
By later US patents
- Method and apparatus for no-till planting83US 5,660,126 AAgricommunication and Technology, Inc. · 1997
- Bedding plow featuring a center-cut disk assembly having resilient relief means72US 6,330,922 B12001
- Strip-till primary tillage system56US 6,871,709 B2CNH America LLC · 2005
- Ridge tillage attachment for planters25US 4,702,323 ASukup Manufacturing Company · 1987
- Tilling ridger22US 4,785,891 A1988