A01C 15/08
With pushers or stirrers in the slots
Official title: with pushers or stirrers in the slots
A01C15/08 (With pushers or stirrers in the slots) appears on 15 US grants and 6 published applications in this corpus.
Search patents in A01C- Granted patents
- 15
- Published applications
- 6
- Assignees
- 4
- Inventors
- 21
- Latest grant
- 21 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Meters for fertilizers, small seeds, and chemical products, and related systems and methods21 Feb 2023US 11,582,898 B2
- Floating pond fertilizer device2 Mar 2021US 10,932,407 B2
- System and method for controlling delivery of materials into sub-surface29 Apr 2014US 8,707,878 B2
- Granular spreader and method23 Jul 2013US 8,490,897 B1
- Drop spreader22 Feb 1994US 5,287,999 A
- Meters for fertilizers, small seeds, and chemical products and related systems22 Jun 2023US 2023/0189698 A1
- Meters for particulate farming products and related systems22 Jun 2023US 2023/0189699 A1
- Meters for fertilizers, small seeds, and chemical products, and related systems and methods13 Aug 2020US 2020/0253108 A1
- Floating pond fertilizer device5 Mar 2020US 2020/0068795 A1
- Meters for fertilizers, small seeds, and chemical products and related systems and methods3 Oct 2019US 2019/0297773 A1
Most cited
By later US patents
- Hopper for dispensing seed, grain and the like51US 4,896,615 AClemson University · 1990
- Combined drop and broadcast spreader for granular material28US 4,712,717 A1987
- Seeding implement24US 4,497,265 AClemson University · 1985
- Material dispensing machine22US 4,498,635 AChristy Machine Company · 1985
- Drop spreader15US 5,287,999 A1994