A01G 25/023
Dispensing fittings for drip irrigation
Official title: {Dispensing fittings for drip irrigation, e.g. drippers}
A01G25/023 (Dispensing fittings for drip irrigation) appears on 469 US grants and 390 published applications in this corpus.
Search patents in A01G- Granted patents
- 469
- Published applications
- 390
- Assignees
- 167
- Inventors
- 562
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 11 | 0 |
| 1980 | 10 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 11 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 7 |
| 2003 | 4 | 8 |
| 2004 | 5 | 4 |
| 2005 | 3 | 6 |
| 2006 | 3 | 6 |
| 2007 | 4 | 6 |
| 2008 | 3 | 6 |
| 2009 | 0 | 14 |
| 2010 | 6 | 11 |
| 2011 | 4 | 5 |
| 2012 | 8 | 11 |
| 2013 | 8 | 9 |
| 2014 | 11 | 16 |
| 2015 | 8 | 20 |
| 2016 | 19 | 37 |
| 2017 | 14 | 28 |
| 2018 | 20 | 39 |
| 2019 | 39 | 31 |
| 2020 | 32 | 23 |
| 2021 | 21 | 24 |
| 2022 | 17 | 14 |
| 2023 | 16 | 23 |
| 2024 | 14 | 20 |
| 2025 | 12 | 12 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multipurpose drip irrigation tool22 Sep 2026US 12,741,361 B2Husqvarna AB
- Emitter outlet, emitter, drip line and methods relating to same1 Sep 2026US 12,721,286 B2Rain Bird Corporation
- Vegetable support apparatus11 Aug 2026US 12,702,095 B2
- Programmable drip irrigation emitter device21 Jul 2026US 12,685,273 B2
- Anti-blocking drip infiltration pipe strip30 Jun 2026US 12,667,063 B2Shandong Changjiang Water-Saving Irrigation Technology Co., Ltd.
- Agricultural applicator10 Sep 2026US 2026/0262566 A1
- Irrigation emitter13 Aug 2026US 2026/0231879 A1The Toro Company
- Quick-connect drip irrigation pipe18 Jun 2026US 2026/0168604 A1Yongkang Longyingfei Industry and Trading Co., Ltd.
- Exterior-installable poly coupler system for use with irrigation spans7 May 2026US 2026/0126144 A1Valmont Industries, Inc.
- Irrigation Saddle Annular Seal Face19 Mar 2026US 2026/0076318 A1XCAD Valve and Irrigation, Inc.
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
- Drip level irrigation emitter unit82US 4,209,133 A1980
- Drip irrigation system81US 4,210,287 AHydro-Plan Engineering Ltd. · 1980
- In-line retention drip emitter80US 5,615,838 ADrip Irrigation Systems, Ltd. · 1997