A01G 27/003
Control of self-acting watering devices
Official title: {Control of self-acting watering devices (Hydroponic system controls A01G31/008)}
A01G27/003 (Control of self-acting watering devices) appears on 290 US grants and 405 published applications in this corpus.
Search patents in A01G- Granted patents
- 290
- Published applications
- 405
- Assignees
- 175
- Inventors
- 667
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 5 |
| 2003 | 2 | 3 |
| 2004 | 3 | 8 |
| 2005 | 7 | 3 |
| 2006 | 2 | 6 |
| 2007 | 3 | 7 |
| 2008 | 2 | 6 |
| 2009 | 1 | 8 |
| 2010 | 2 | 3 |
| 2011 | 5 | 6 |
| 2012 | 3 | 6 |
| 2013 | 5 | 7 |
| 2014 | 3 | 6 |
| 2015 | 3 | 20 |
| 2016 | 6 | 19 |
| 2017 | 13 | 22 |
| 2018 | 16 | 39 |
| 2019 | 11 | 40 |
| 2020 | 29 | 41 |
| 2021 | 31 | 37 |
| 2022 | 18 | 30 |
| 2023 | 23 | 26 |
| 2024 | 16 | 19 |
| 2025 | 14 | 17 |
| 2026 | 14 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fertigation feed sensor system29 Sep 2026US 12,748,096 B2Addium, Inc.
- Modular systems and methods for propagating plants in hydroponic and aquaponic environments22 Sep 2026US 12,740,519 B2
- Waterway structure for a flowerpot stand28 Jul 2026US 12,690,530 B2
- Plant cultivation apparatus and control method for same14 Jul 2026US 12,677,767 B2LG Electronics Inc.
- Smart plant monitoring and delivery system for maintaining healthy vegetation28 Apr 2026US 12,610,897 B2Root Matter LLC
- High-Density Cultivation System with Hybrid Network Communication, AI-Enhanced Monitoring, Nano Size Fogging Carbon dioxide Delivery, Smart Ventilation, Growth Lighting Control, Smart Dripping, and Regular Automation or AI Irrigation Systems1 Oct 2026US 2026/0293818 A1LED Smart Inc.
- Method and system for cultivating a crop10 Sep 2026US 2026/0262588 A1Priva Holding B.V.
- System and method for animating a plant20 Aug 2026US 2026/0240086 A1Hello Tomorrow, LLC
- Modular system for cultivation20 Aug 2026US 2026/0240095 A1The House Farmer S.R.L.
- Irrigation system and the use of such irrigation system20 Aug 2026US 2026/0240096 A1
Most cited
By later US patents
- Weather resistant container for timer components of an irrigation system71US 5,245,507 APro-Mark, Inc. · 1993
- Electronic household plant watering device55US 5,634,342 A1997
- System for automated monitoring and maintenance of crops including sensors and emitters associated with plants50US 6,947,810 B2Terra Spase, Inc. · 2005
- Conduit including sensors for monitoring and maintenance of vegetation39US 7,487,925 B22009
- Systems and methods for controlling liquid delivery and distribution to plants37US 8,261,486 B2AeroGrow International, Inc. · 2012