F16K 47/00
Means in valves for absorbing fluid energy
Official title: Means in valves for absorbing fluid energy (for pipes F16L55/00)
F16K47/00 (Means in valves for absorbing fluid energy) appears on 1,653 US grants and 1,239 published applications in this corpus.
Search patents in F16K- Granted patents
- 1,653
- Published applications
- 1,239
- Assignees
- 873
- Inventors
- 2,818
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 27 | 0 |
| 1978 | 25 | 0 |
| 1979 | 12 | 0 |
| 1980 | 19 | 0 |
| 1981 | 31 | 0 |
| 1982 | 29 | 0 |
| 1983 | 31 | 0 |
| 1984 | 25 | 0 |
| 1985 | 25 | 0 |
| 1986 | 26 | 0 |
| 1987 | 32 | 0 |
| 1988 | 39 | 0 |
| 1989 | 19 | 0 |
| 1990 | 28 | 0 |
| 1991 | 24 | 0 |
| 1992 | 18 | 0 |
| 1993 | 21 | 0 |
| 1994 | 17 | 0 |
| 1995 | 21 | 0 |
| 1996 | 17 | 0 |
| 1997 | 13 | 0 |
| 1998 | 24 | 0 |
| 1999 | 25 | 0 |
| 2000 | 30 | 0 |
| 2001 | 14 | 6 |
| 2002 | 24 | 23 |
| 2003 | 23 | 23 |
| 2004 | 24 | 37 |
| 2005 | 22 | 34 |
| 2006 | 29 | 28 |
| 2007 | 19 | 27 |
| 2008 | 17 | 38 |
| 2009 | 5 | 29 |
| 2010 | 19 | 31 |
| 2011 | 21 | 26 |
| 2012 | 21 | 33 |
| 2013 | 31 | 40 |
| 2014 | 34 | 47 |
| 2015 | 45 | 66 |
| 2016 | 42 | 71 |
| 2017 | 48 | 68 |
| 2018 | 66 | 85 |
| 2019 | 87 | 83 |
| 2020 | 79 | 94 |
| 2021 | 68 | 64 |
| 2022 | 86 | 80 |
| 2023 | 76 | 70 |
| 2024 | 56 | 47 |
| 2025 | 65 | 52 |
| 2026 | 31 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16K 47/08Means in valves for absorbing fluid energy: for decreasing pressure or noise743
- F16K 47/04Means in valves for absorbing fluid energy: for decreasing pressure or noise479
- F16K 47/02Means in valves for absorbing fluid energy: for preventing water-hammer or noise371
- F16K 47/01Damping of valve members181
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
- Electronic timer for mitigation of solenoid valve water hammer effect15 Sep 2026US 12,736,154 B2
- Solenoid valve with improved damping and method for producing same8 Sep 2026US 12,729,780 B2KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Fluid flow control devices and systems, and methods of flowing fluids1 Sep 2026US 12,723,676 B2Flowserve Pte. Ltd.
- 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
- Electronic timer for mitigation of solenoid valve water hammer effect10 Sep 2026US 2026/0266395 A1
- Valve trim apparatus having grooves to reduce cavitation10 Sep 2026US 2026/0266396 A1Fisher Controls International LLC
- Valve trim apparatus to reduce cavitation in valves3 Sep 2026US 2026/0258883 A1Emerson Process Management (Tianjin) Valves Co., Ltd.
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
- Choke for controlling the flow of drilling mud105US 4,257,442 A1981
- Control of fluid flow102US 4,728,075 A1988
- Pressure relief valve99US 5,230,364 ATokimec Inc. · 1993