F16L 55/055
Valves therefor
F16L55/055 (Valves therefor) appears on 53 US grants and 44 published applications in this corpus.
Search patents in F16L- Granted patents
- 53
- Published applications
- 44
- Assignees
- 49
- Inventors
- 116
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 3 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 2 |
| 2017 | 1 | 4 |
| 2018 | 2 | 5 |
| 2019 | 7 | 3 |
| 2020 | 4 | 4 |
| 2021 | 4 | 4 |
| 2022 | 2 | 3 |
| 2023 | 4 | 1 |
| 2024 | 3 | 4 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Adjustable flow-synchronization return valve for hydraulic pressure balancing19 Aug 2025US 12,392,414 B1Aquastar Pool Products, Inc.
- Water hammer effect mitigation controlling device of solenoid valve for fluid22 Apr 2025US 12,281,719 B2
- Valve system and method for reducing water hammer effect8 Apr 2025US 12,270,478 B2Hydrant Guard LLC
- Anti-cavitation device, fluid end, and method11 Jun 2024US 12,006,926 B1
- Diaphragm radial compression ring (DRCRTM) to enhance the sealing ability and service life of the diaphragms used in dampeners/accumulators/pulsation control equipment12 Mar 2024US 11,927,292 B2Performance Pulsation Control, Inc.
- Water hammer reducer24 Apr 2025US 2025/0129872 A1Cornelius (Tianjin) Co., Ltd.
- Valve system and method for reducing water hammer effect21 Nov 2024US 2024/0384804 A1Hydrant Guard LLC
- Water hammer effect mitigation controlling device of solenoid valve for fluid31 Oct 2024US 2024/0361784 A1
- Water hammer absorption device and manufacturing method of same24 Oct 2024US 2024/0353044 A1Rich Full Hardware Co., Ltd.
- Water hammer prevention device for boiler18 Jan 2024US 2024/0019067 A1Kofulso Co., Ltd.
Most cited
By later US patents
- Pipeline surge reliever with sanitary barrier40US 3,933,172 AGrove Valve and Regulator Company · 1976
- Assembly for reduction of pulsations and vibrations in a hose25US 6,119,728 AAeroquip Corporation · 2000
- Conduit arrangement with protection against rupture and leakage19US 4,004,607 A1977
- I-type counterflow absorber12US 5,819,802 A1998
- Composite action type water-hammer-preventive check valve11US 5,769,116 AHiroshi Yokota · 1998