F17D 1/20
Arrangements or systems of devices for influencing or altering dynamic characteristics of
Official title: Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves (fluid dynamics F15D; damping pulsations in fluids in pipes in general F16L55/04)
F17D1/20 (Arrangements or systems of devices for influencing or altering dynamic characteristics of) appears on 104 US grants and 106 published applications in this corpus.
Search patents in F17D- Granted patents
- 104
- Published applications
- 106
- Assignees
- 94
- Inventors
- 237
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 3 |
| 2012 | 2 | 2 |
| 2013 | 2 | 10 |
| 2014 | 1 | 13 |
| 2015 | 5 | 11 |
| 2016 | 11 | 12 |
| 2017 | 6 | 7 |
| 2018 | 9 | 1 |
| 2019 | 5 | 9 |
| 2020 | 7 | 11 |
| 2021 | 7 | 6 |
| 2022 | 7 | 9 |
| 2023 | 6 | 4 |
| 2024 | 5 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multiphase flow instability control20 Jan 2026US 12,529,452 B2Schlumberger Technology Corporation
- Material flow amplifier16 Dec 2025US 12,497,981 B2Vortex Pipe Systems LLC
- Systems and methods for optimization of a petroleum distribution system2 Dec 2025US 12,486,952 B2Sensia LLC
- Device for influencing, in particular reducing, vibrations in a fluid system, and method for influencing, in particular reducing, vibrations in a fluid system6 May 2025US 12,292,148 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Engineering system and method of automatic controlling of the energy efficient mode of pipeline transporting process of fluid medium8 Oct 2024US 12,111,019 B1
- Method for detecting scale inside conduit using properties of tube waves23 Jul 2026US 2026/0210708 A1Seismos, Inc.
- Front-insert assembly method and apparatus for flow conditioner26 Jun 2025US 2025/0207735 A1Honeywell International Inc.
- Method and system for corrosion integrity assessment for non-scrapable gas flowlines using artificial intelligence14 Nov 2024US 2024/0377037 A1Saudi Arabian Oil Company
- Material flow amplifier29 Aug 2024US 2024/0288012 A1Vortex Pipe Systems LLC
- Method for frost heave prevention treatment of smart gas pipeline and internet of things system thereof28 Dec 2023US 2023/0417373 A1Chengdu Qinchuan Iot Technology Co., Ltd.
Most cited
By later US patents
- Mass flow stabilized42US 4,958,658 ATegal Corporation · 1990
- Pipeline surge reliever with sanitary barrier40US 3,933,172 AGrove Valve and Regulator Company · 1976
- Gas supply shock absorber for datacenter power generation39US 9,416,904 B2Microsoft Technology Licensing, LLC · 2016
- Backflash interrupter37US 4,949,748 AFike Corporation · 1990
- Pipeline protection system36US 8,051,875 B2Vetco Gray Controls Limited · 2011