A01G 9/047
Channels or gutters
Official title: {Channels or gutters, e.g. for hydroponics}
A01G9/047 (Channels or gutters) appears on 58 US grants and 94 published applications in this corpus.
Search patents in A01G- Granted patents
- 58
- Published applications
- 94
- Assignees
- 50
- Inventors
- 148
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 0 |
| 2017 | 1 | 7 |
| 2018 | 3 | 10 |
| 2019 | 7 | 7 |
| 2020 | 7 | 10 |
| 2021 | 5 | 10 |
| 2022 | 6 | 10 |
| 2023 | 3 | 13 |
| 2024 | 4 | 8 |
| 2025 | 8 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gutter system and set for use in a hydroponic system and method for cultivating a crop30 Jun 2026US 12,667,057 B2Green Production Systems Bvba
- Open-top gutter24 Mar 2026US 12,582,050 B2Green Automation Group Oy
- Extendable plant tray assembly14 Oct 2025US 12,439,860 B2Crea-Tech International B.V.
- Hydroponic system, and a process for producing a hydroponic system30 Sep 2025US 12,426,555 B2Ellepot A/S
- Tray assembly for plant cultivation23 Sep 2025US 12,419,232 B2Dual Draft LLC
- Growing gutter system for supporting horticulture crops placed thereon3 Sep 2026US 2026/0256061 A1
- Multi-use container for cultivation27 Aug 2026US 2026/0248080 A1
- Vertical farming system27 Aug 2026US 2026/0248086 A1Jones Food Company Limited
- Hydroponic system, and a process for producing a hydroponic system19 Feb 2026US 2026/0047536 A1Ellepot A/S
- Hydroponic system2 Oct 2025US 2025/0301976 A1Barnstorfer Kunststofftechnik GmbH & Co. KG
Most cited
By later US patents
- Hydroponic system58US 5,010,686 A1991
- Channel-like structure for horticulture and flower-growing52US 4,035,950 A1977
- Vertical hydroponic plant production apparatus41US 8,327,582 B2University of Wyoming · 2012
- Vertical hydroponic plant production apparatus33US 9,491,915 B2University of Wyoming · 2016
- Watering gutter19US 5,409,510 AHouweling Nurseries Ltd. · 1995