F16K 1/526
For limiting the maximum flow rate, using a second valve
Official title: {for limiting the maximum flow rate, using a second valve}
F16K1/526 (For limiting the maximum flow rate, using a second valve) appears on 79 US grants and 64 published applications in this corpus.
Search patents in F16K- Granted patents
- 79
- Published applications
- 64
- Assignees
- 54
- Inventors
- 151
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 0 |
| 2005 | 2 | 1 |
| 2006 | 1 | 6 |
| 2007 | 2 | 2 |
| 2008 | 2 | 2 |
| 2009 | 2 | 0 |
| 2010 | 3 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 8 |
| 2016 | 3 | 8 |
| 2017 | 8 | 1 |
| 2018 | 2 | 2 |
| 2019 | 2 | 3 |
| 2020 | 2 | 4 |
| 2021 | 6 | 4 |
| 2022 | 1 | 3 |
| 2023 | 13 | 5 |
| 2024 | 3 | 2 |
| 2025 | 1 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control valve with a measuring chamber24 Mar 2026US 12,584,567 B2Frese A/S
- Flow regulating push switch conjoined valve10 Feb 2026US 12,546,397 B2Black & Decker Inc.
- Valve with integrated pressure regulator6 Jan 2026US 12,516,738 B2Lincoln Global.Inc.
- Automatic fluid-mechanical actuated emergency stop valve for abnormal flow and spillage protection30 Dec 2025US 12,510,177 B2
- High flow/low flow valve23 Jul 2024US 12,044,319 B2Fisher Controls International LLC
- Reduced Stroke Control Cartridge For Hydraulic Valve20 Aug 2026US 2026/0243353 A1Giacomini S.p. A.
- Automatic fluid-mechanical actuated emergency stop valve for abnormal flow and spillage protection13 Feb 2025US 2025/0052332 A1
- A Control Valve with a Measuring Chamber28 Nov 2024US 2024/0392892 A1Frese A/S
- Flow regulating push switch conjoined valve18 Jan 2024US 2024/0019031 A1Black & Decker Inc.
- Valve with integrated pressure regulator21 Sep 2023US 2023/0296177 A1Lincoln Global.Inc.
Most cited
By later US patents
- Surge prevention device42US 6,901,962 B2Allied Healthcare Products, Inc. · 2005
- Pneumatic power tool32US 5,797,462 AAtlas Copco Tools AB · 1998
- Self-evacuating vacuum cleaner20US 5,918,344 AShop Vac Corporation · 1999
- Pistol grip hose nozzle with proportional flow control20US 6,644,625 B12003
- Poppet valve having external adjustment for a flow restrictor17US 5,358,212 ACopes-Vulcan, Inc. · 1994