A01G 25/167
Control by humidity of the soil itself or of devices simulating soil
Official title: {Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors}
A01G25/167 (Control by humidity of the soil itself or of devices simulating soil) appears on 727 US grants and 856 published applications in this corpus.
Search patents in A01G- Granted patents
- 727
- Published applications
- 856
- Assignees
- 353
- Inventors
- 1,515
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 9 |
| 2003 | 8 | 7 |
| 2004 | 6 | 15 |
| 2005 | 8 | 24 |
| 2006 | 11 | 20 |
| 2007 | 14 | 12 |
| 2008 | 17 | 21 |
| 2009 | 7 | 18 |
| 2010 | 6 | 22 |
| 2011 | 16 | 19 |
| 2012 | 17 | 24 |
| 2013 | 11 | 19 |
| 2014 | 26 | 20 |
| 2015 | 14 | 43 |
| 2016 | 21 | 34 |
| 2017 | 18 | 47 |
| 2018 | 35 | 62 |
| 2019 | 45 | 57 |
| 2020 | 53 | 83 |
| 2021 | 58 | 53 |
| 2022 | 46 | 67 |
| 2023 | 36 | 52 |
| 2024 | 48 | 53 |
| 2025 | 56 | 40 |
| 2026 | 21 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for soil moisture stabilization and tree or plant protection6 Oct 2026US 12,751,379 B2Zynnovation LLC
- Sunlight-adaptive intelligent irrigation system based on solar charging power detection and method thereof18 Aug 2026US 12,708,078 B1
- Plant management system and device4 Aug 2026US 12,696,857 B2FloraSense Inc.
- Turf management21 Jul 2026US 12,685,274 B2The Toro Company
- Mobile irrigation system with plastic optical fiber network14 Jul 2026US 12,677,765 B2Lindsay Corporation
- Surge irrigation system and method of use1 Oct 2026US 2026/0293825 A1CJC Holdings, LLC
- Turf management24 Sep 2026US 2026/0283087 A1The Toro Company
- Method for non-contact ground moisture level estimation at various depths using reflected energy at a work machine17 Sep 2026US 2026/0276560 A1Deere & Company
- Automated adjustment of crop development estimates20 Aug 2026US 2026/0240069 A1Pioneer Hi-Bred International, Inc.
- Smart sprinkler system20 Aug 2026US 2026/0240094 A1Textron Inc.
Most cited
By later US patents
- Closed loop control system, sensing apparatus and fluid application system for a precision irrigation device262US 5,927,603 AJ. R. Simplot Company · 1999
- Evapotranspiration remote irrigation control system205US 5,870,302 AWaterlink Systems, Inc. · 1999
- Irrigation controller194US 6,314,340 B1Telsco Industries, Inc. · 2001
- Internet-enabled central irrigation control185US 6,823,239 B2Rain Master Irrigation Systems, Inc. · 2004
- Smart irrigation sprinklers170US 4,852,802 A1989