F16L 55/0336
By means of sound-absorbing materials
Official title: {by means of sound-absorbing materials}
F16L55/0336 (By means of sound-absorbing materials) appears on 78 US grants and 89 published applications in this corpus.
Search patents in F16L- Granted patents
- 78
- Published applications
- 89
- Assignees
- 92
- Inventors
- 251
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 0 | 5 |
| 2011 | 0 | 3 |
| 2012 | 8 | 7 |
| 2013 | 4 | 1 |
| 2014 | 2 | 4 |
| 2015 | 2 | 4 |
| 2016 | 4 | 8 |
| 2017 | 5 | 6 |
| 2018 | 6 | 4 |
| 2019 | 3 | 4 |
| 2020 | 5 | 6 |
| 2021 | 1 | 7 |
| 2022 | 4 | 5 |
| 2023 | 3 | 8 |
| 2024 | 4 | 5 |
| 2025 | 3 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motion pillow24 Feb 2026US 12,557,927 B2Tenminds Co., Ltd.
- Sound-mitigating device for a duct system27 Jan 2026US 12,536,985 B2Toyota Jidosha Kabushiki Kaisha
- Damping shock absorber and vibration reduction design method16 Dec 2025US 12,498,010 B2Xiamen Zhen-Wei Technology Co., Ltd
- Pressure fluctuation absorbing structure16 Dec 2025US 12,499,861 B2Japan Aerospace Exploration Agency
- Noise suppression unit12 Aug 2025US 12,385,589 B2Dimension Product Solutions LP
- Fluid transport system temperature conditioning system lithographic apparatus and flexible hose13 Aug 2026US 2026/0235246 A1ASML Netherlands B. V.
- Silencer for an air-conditioning and/or ventilation system11 Dec 2025US 2025/0377133 A1Viessmann Holding International GmbH
- Piping vibration absorber apparatus having vibration monitoring system26 Jun 2025US 2025/0207711 A1Kepco Engineering & Construction Company, Inc.
- Oxygen generator26 Dec 2024US 2024/0426413 A1Bmc (Tianjin) Medical Co., Ltd.
- Sound-mitigating device for a duct system29 Aug 2024US 2024/0292152 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Phased treatment noise suppressor for acoustic duct applications66US 4,091,892 AGeneral Electric Company · 1978
- Fluidborne noise attenuator61US 4,314,621 ACaterpillar Tractor Co. · 1982
- Fibre masses56US 4,011,651 AImperial Chemical Industries PLC · 1977
- Device for reducing static and dynamic pressures in pipelines, particularly of solid-borne sound in tubular conduits47US 4,448,538 A1984
- Sound-absorbing device, especially for damping of noises expanding in air ducts38US 4,236,597 AFutober Epuletgepeszeti Termekeket Gyarto Vallalat · 1980