A01B 3/42
Turn-wrest ploughs
A01B3/42 (Turn-wrest ploughs) appears on 22 US grants and 4 published applications in this corpus.
Search patents in A01B- Granted patents
- 22
- Published applications
- 4
- Assignees
- 14
- Inventors
- 20
- Latest grant
- 5 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 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 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Mounting assembly for plough skimmers5 Jul 2022US 11,375,652 B2CNH Industrial America LLC
- Agricultural implement14 Jun 2022US 11,357,155 B2CNH Industrial America LLC
- Pivoting support wheel for mounting on a plow frame8 Jan 2019US 10,172,271 B2Lemken GmbH & Co.KG
- Attachment arrangement for a leaf spring compound20 Nov 2018US 10,132,377 B2Kverneland Group Operations Norway AS
- Agricultural machine with plow having changeable penetrating angle26 Jul 1994US 5,332,046 ASugano Farm Machinery Mfg. Co., Ltd.
- Agricultural implement19 Nov 2020US 2020/0359544 A1CNH Industrial America LLC
- Mounting assembly for plough skimmers12 Nov 2020US 2020/0352076 A1CNH Industrial America LLC
- Pivoting support wheel for mounting on a plow frame20 Jul 2017US 2017/0202127 A1Lemken GmbH & Co.KG
- Attachment arrangement for a leaf spring compound25 Aug 2016US 2016/0245355 A1Kverneland Group Operations Norway AS
Most cited
By later US patents
- Reversible plough having a reversing and adjustment mechanism17US 4,646,849 AKverneland A/S · 1987
- Fully mounted variable width plow16US 4,415,040 AInternational Harvester Company · 1983
- Plow with adjustable moldboard10US 4,778,013 A1988
- Agricultural machine with plow having changeable penetrating angle9US 5,332,046 ASugano Farm Machinery Mfg. Co., Ltd. · 1994
- Roll-over mechanism for two-way plow8US 4,067,396 A1978