F16K 47/08
Means in valves for absorbing fluid energy: for decreasing pressure or noise
Official title: for decreasing pressure {or noise level} and having a throttling member separate from the closure member {, e.g. screens, slots, labyrinths}
F16K47/08 (Means in valves for absorbing fluid energy: for decreasing pressure or noise) appears on 743 US grants and 598 published applications in this corpus.
Search patents in F16K- Granted patents
- 743
- Published applications
- 598
- Assignees
- 367
- Inventors
- 1,183
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 15 | 0 |
| 1978 | 14 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 13 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 15 | 0 |
| 2000 | 13 | 0 |
| 2001 | 6 | 6 |
| 2002 | 14 | 14 |
| 2003 | 13 | 10 |
| 2004 | 15 | 22 |
| 2005 | 9 | 14 |
| 2006 | 13 | 19 |
| 2007 | 8 | 8 |
| 2008 | 8 | 12 |
| 2009 | 1 | 14 |
| 2010 | 8 | 19 |
| 2011 | 7 | 15 |
| 2012 | 10 | 16 |
| 2013 | 17 | 22 |
| 2014 | 18 | 24 |
| 2015 | 27 | 34 |
| 2016 | 21 | 36 |
| 2017 | 30 | 35 |
| 2018 | 36 | 40 |
| 2019 | 39 | 37 |
| 2020 | 41 | 41 |
| 2021 | 36 | 30 |
| 2022 | 44 | 37 |
| 2023 | 33 | 24 |
| 2024 | 28 | 31 |
| 2025 | 27 | 21 |
| 2026 | 17 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vent with relief valve29 Sep 2026US 12,747,800 B2Donaldson Company, Inc.
- Valve cages having lattice structure29 Sep 2026US 12,747,807 B2Fisher Controls International LLC
- Valve trims having cellular arrays25 Aug 2026US 12,716,523 B2Emerson Process Management Regulator Technologies, Inc.
- Aerodynamic noise reducing element and control valve comprising same25 Aug 2026US 12,716,524 B2Fisher Controls International LLC
- Fluid flow valve and methods of operating thereof11 Aug 2026US 12,704,193 B2APPLIED Materials.Inc.
- Dump valve arrangement8 Oct 2026US 2026/0308872 A1Weir Minerals Netherlands B.V.
- Valves and control systems for clean fluid pressure equalization and de-energization10 Sep 2026US 2026/0266387 A1E3 LLC
- Valve trim apparatus having grooves to reduce cavitation10 Sep 2026US 2026/0266396 A1Fisher Controls International LLC
- Unmanned Aerial Vehicle With Integrated Payload Assembly13 Aug 2026US 2026/0235229 A1Skydio, Inc.
- Dual-channel cage-type subsea throttle valve23 Jul 2026US 2026/0210446 A1China University of Petroleum-Beijing
Most cited
By later US patents
- Flow limiting throttle element475US 5,411,055 AMannesmann Aktiengesellschaft · 1995
- Flow-rate limiting valve for inserting between a shower hose and a hand shower107US 5,653,260 A1997
- Labyrinth disk stack having disks with integral filter screens98US 4,267,045 AThe Babcock & Wilcox Company · 1981
- Two-way flow valve89US 4,919,166 A1990
- Fluid flow control valve with maximized noise reduction81US 4,397,331 AHoneywell Inc. · 1983