A01B 3/28
Alternating ploughs
A01B3/28 (Alternating ploughs) appears on 12 US grants and 11 published applications in this corpus.
Search patents in A01B- Granted patents
- 12
- Published applications
- 11
- Assignees
- 5
- Inventors
- 17
- Latest grant
- 23 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 1 |
| 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 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 5 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 4 | 3 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Agricultural device for processing soil with two sets of working rollers23 Apr 2024US 11,963,470 B2BEDNAR FMT s.r.o.
- Agricultural system30 Jan 2024US 11,882,780 B2CNH Industrial America LLC
- Agricultural device for processing soil with two sets of working rollers11 Jul 2023US 11,696,522 B2BEDNAR FMT s.r.o.
- Agricultural implement27 Jun 2023US 11,684,001 B2CNH Industrial America LLC
- Agricultural implement2 May 2023US 11,638,392 B2CNH Industrial America LLC
- Agricultural system17 Aug 2023US 2023/0255127 A9CNH Industrial America LLC
- Agricultural implement6 Jul 2023US 2023/0210037 A1CNH Industrial America LLC
- Agricultural Device For Processing Soil With Two Sets Of Working Rollers29 Jun 2023US 2023/0200274 A1BEDNAR FMT s.r.o.
- Agricultural implement29 Oct 2020US 2020/0337199 A1CNH Industrial America LLC
- Agricultural implement29 Oct 2020US 2020/0337202 A1CNH Industrial America LLC
Most cited
By later US patents
- Roll-over variable width plow8US 4,592,429 A1986
- Reversible plow and carriage5US 4,691,785 APost Brothers Construction Co. · 1987
- Plough frame comprising at least one body having a plough board and a single ploughshare acting in both ploughing directions2US 5,396,961 A1995
- Agricultural device for processing soil with two sets of working rollers1US 11,696,522 B2BEDNAR FMT s.r.o. · 2023