A01G 25/02
Watering arrangements located above the soil which make use of perforated pipe-lines
Official title: Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
A01G25/02 (Watering arrangements located above the soil which make use of perforated pipe-lines) appears on 932 US grants and 806 published applications in this corpus.
Search patents in A01G- Granted patents
- 932
- Published applications
- 806
- Assignees
- 347
- Inventors
- 1,388
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 15 | 0 |
| 1978 | 18 | 0 |
| 1979 | 20 | 0 |
| 1980 | 17 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 12 | 0 |
| 1984 | 8 | 0 |
| 1985 | 11 | 0 |
| 1986 | 10 | 0 |
| 1987 | 11 | 0 |
| 1988 | 12 | 0 |
| 1989 | 11 | 0 |
| 1990 | 1 | 0 |
| 1991 | 12 | 0 |
| 1992 | 12 | 0 |
| 1993 | 18 | 0 |
| 1994 | 20 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 18 | 0 |
| 1998 | 19 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 2 |
| 2002 | 11 | 13 |
| 2003 | 11 | 16 |
| 2004 | 7 | 17 |
| 2005 | 14 | 15 |
| 2006 | 9 | 18 |
| 2007 | 6 | 15 |
| 2008 | 7 | 21 |
| 2009 | 8 | 19 |
| 2010 | 10 | 21 |
| 2011 | 11 | 15 |
| 2012 | 12 | 24 |
| 2013 | 15 | 14 |
| 2014 | 19 | 30 |
| 2015 | 20 | 36 |
| 2016 | 37 | 63 |
| 2017 | 27 | 54 |
| 2018 | 39 | 67 |
| 2019 | 70 | 69 |
| 2020 | 66 | 54 |
| 2021 | 46 | 50 |
| 2022 | 37 | 37 |
| 2023 | 31 | 43 |
| 2024 | 36 | 44 |
| 2025 | 28 | 28 |
| 2026 | 22 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for soil moisture stabilization and tree or plant protection6 Oct 2026US 12,751,379 B2Zynnovation LLC
- Multipurpose drip irrigation tool22 Sep 2026US 12,741,361 B2Husqvarna AB
- Sub-surface soil irrigation8 Sep 2026US 12,727,556 B2Irrovate (Pty) Ltd
- Emitter outlet, emitter, drip line and methods relating to same1 Sep 2026US 12,721,286 B2Rain Bird Corporation
- Irrigation system having improved construction system and adjustable crown height18 Aug 2026US 12,708,077 B2Reinke Manufacturing Co., Inc.
- Irrigation Device With Rotating Deflector1 Oct 2026US 2026/0295609 A1
- Turf management24 Sep 2026US 2026/0283087 A1The Toro Company
- Agricultural applicator10 Sep 2026US 2026/0262566 A1
- Irrigation manifold with variable flow shut off valves20 Aug 2026US 2026/0240090 A1Husqvarna AB
- Irrigation controller interfaces and associated systems, devices, and methods20 Aug 2026US 2026/0240091 A1Telsco Industries, Inc. d/b/a Weathermatic
Most cited
By later US patents
- Multi-outlet emitter and method149US 5,253,807 AWade Manufacturing Co. · 1993
- Irrigation emitter unit88US 6,027,048 AHydroplan Engineering Ltd. · 2000
- Process of making a drip irrigation conduit86US 5,022,940 AHydro-Plan Engineering Ltd. · 1991
- Drip level irrigation emitter unit82US 4,209,133 A1980
- Drip irrigation system81US 4,210,287 AHydro-Plan Engineering Ltd. · 1980