F16K 21/02
Providing a continuous small flow
Official title: providing a continuous small flow
F16K21/02 (Providing a continuous small flow) appears on 29 US grants and 27 published applications in this corpus.
Search patents in F16K- Granted patents
- 29
- Published applications
- 27
- Assignees
- 25
- Inventors
- 59
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 3 | 0 |
| 2018 | 0 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 3 |
| 2021 | 5 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low pressure fluid flow control valve30 Sep 2025US 12,429,142 B2Aqueduct Irrigation Technolgies Ltd.
- Fluid flow throttle valve23 Sep 2025US 12,422,052 B2Solar Water Solutions Oy
- Drip emitter having membrane with a non-planar portion protruding into regulating chamber recess24 Oct 2023US 11,793,127 B2Netafim, Ltd.
- Systems and methods for make-up air blocking valve with a restrictive poppet orifice1 Aug 2023US 11,714,019 B2Dayco IP Holdings, LLC
- Ventilation flow rate regulator for a pressurised tank of a vehicle26 Oct 2021US 11,155,158 B2Plastic Omnium Advanced Innovation and Research
- Pressure Relief Assembly5 Feb 2026US 2026/0036216 A1Donaldson Company, Inc.
- Fluid flow throttle valve13 Jun 2024US 2024/0192709 A1Solar Water Solutions Oy
- A low pressure fluid flow control valve14 Sep 2023US 2023/0287985 A1Aqueduct Irrigation Technolgies Ltd.
- Systems and Methods for Make-Up Air Blocking Valve with a Restrictive Poppet Orifice2 Feb 2023US 2023/0030351 A1Dayco IP Holdings, LLC
- Fluid actuation system7 Jan 2021US 2021/0003223 A1
Most cited
By later US patents
- Labor-saving push-button water valve35US 10,234,054 B1Purity (Xiamen) Sanitary Ware Co., Ltd. · 2019
- Multi-function pull-out wand26US 8,448,667 B2Masco Corporation of Indiana · 2013
- Adjustable orifice valve10US 6,158,714 ABaker Hughes Incorporated · 2000
- Fluid flow control device particularly useful as a drip-irrigation emitter9US 4,288,035 A1981
- Heating system9US 8,985,094 B22015