A01C 7/185
Foot valves
Official title: {Foot valves}
A01C7/185 (Foot valves) appears on 5 US grants and 3 published applications in this corpus.
Search patents in A01C- Granted patents
- 5
- Published applications
- 3
- Assignees
- 2
- Inventors
- 8
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 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 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 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 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for placement of single seeds one by one6 May 2025US 12,290,018 B2FarmDroid ApS
- Apparatus for hill plot farming of cereal grain crops13 May 2014US 8,720,352 B2HPFM Drill Company, LLC
- Liquid distribution apparatus for distributing liquid into a seed furrow20 Jul 2004US 6,763,773 B2
- Electromagnetic meter for closed dispensing container12 Apr 1994US 5,301,848 A
- Metering device for granular materials20 Oct 1992US 5,156,372 A
- Method and System for Placement of Single Seeds One by One10 Feb 2022US 2022/0039311 A1FarmDroid ApS
- Apparatus for hill plot farming of cereal grain crops11 Aug 2011US 2011/0192330 A1HPFM Drill Company, LLC
- Liquid distribution apparatus for distributing liquid into a seed furrow26 Dec 2002US 2002/0195033 A1
Most cited
By later US patents
- Liquid distribution apparatus for distributing liquid into a seed furrow83US 6,763,773 B22004
- Electromagnetic meter for closed dispensing container48US 5,301,848 A1994
- Metering device for granular materials10US 5,156,372 A1992
- Apparatus for hill plot farming of cereal grain crops2US 8,720,352 B2HPFM Drill Company, LLC · 2014