A01G 27/00
Self-acting watering devices
Official title: Self-acting watering devices, e.g. for flower-pots
A01G27/00 (Self-acting watering devices) appears on 1,173 US grants and 1,392 published applications in this corpus.
Search patents in A01G- Granted patents
- 1,173
- Published applications
- 1,392
- Assignees
- 594
- Inventors
- 2,352
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 16 | 0 |
| 1978 | 18 | 0 |
| 1979 | 8 | 0 |
| 1980 | 22 | 0 |
| 1981 | 18 | 0 |
| 1982 | 14 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 21 | 0 |
| 1990 | 15 | 0 |
| 1991 | 19 | 0 |
| 1992 | 23 | 0 |
| 1993 | 17 | 0 |
| 1994 | 14 | 0 |
| 1995 | 20 | 0 |
| 1996 | 21 | 0 |
| 1997 | 13 | 0 |
| 1998 | 26 | 0 |
| 1999 | 19 | 0 |
| 2000 | 30 | 0 |
| 2001 | 31 | 3 |
| 2002 | 23 | 23 |
| 2003 | 15 | 13 |
| 2004 | 17 | 29 |
| 2005 | 12 | 25 |
| 2006 | 15 | 36 |
| 2007 | 11 | 36 |
| 2008 | 6 | 25 |
| 2009 | 8 | 40 |
| 2010 | 28 | 32 |
| 2011 | 16 | 36 |
| 2012 | 20 | 30 |
| 2013 | 21 | 39 |
| 2014 | 17 | 45 |
| 2015 | 19 | 79 |
| 2016 | 30 | 63 |
| 2017 | 35 | 80 |
| 2018 | 38 | 115 |
| 2019 | 53 | 108 |
| 2020 | 77 | 101 |
| 2021 | 70 | 97 |
| 2022 | 52 | 89 |
| 2023 | 52 | 74 |
| 2024 | 46 | 67 |
| 2025 | 39 | 56 |
| 2026 | 42 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A01G 27/04Self-acting watering devices: using wicks or the like319
- A01G 27/003Control of self-acting watering devices290
- A01G 27/005Reservoirs connected to flower-pots through conduits213
- A01G 27/02Self-acting watering devices: having a water reservoir, the main part thereof being194
- A01G 27/008Component parts178
- A01G 27/006Reservoirs, separate from plant-pots, dispensing directly into rooting medium125
- A01G 27/001Self-acting watering devices: with intermittent watering means85
Recent patents
- Weed barrier and method of use6 Oct 2026US 12,751,378 B2PulpCulture USA, Inc.
- Seed-to-harvest passive aeroponic self-watering planting systems and their use6 Oct 2026US 12,751,385 B2
- 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
- Plant cultivator15 Sep 2026US 12,733,593 B2LG Electronics Inc.
- 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.
- Block Stacking Assembly1 Oct 2026US 2026/0293823 A1
- Sensor, control device, measurement system, control method of sensor, and control method of control device1 Oct 2026US 2026/0298905 A1Sony Group Corporation
- Apparatus for self-watering plants17 Sep 2026US 2026/0271843 A1
- Vertical self-watering planter with removable plant holders17 Sep 2026US 2026/0271844 A1Arkeo LLC
Most cited
By later US patents
- Apparatus and method for automatically watering vegetation111US 4,315,599 A1982
- Electronic irrigation system software95US 7,584,023 B1The Toro Company · 2009
- Weather resistant container for timer components of an irrigation system71US 5,245,507 APro-Mark, Inc. · 1993
- Automatic liquid dispenser68US 5,542,605 AFlow-Rite Controls, Ltd. · 1996
- Apparatus for aerating comminuted matter such as soil65US 4,057,933 A1977