F16L 55/02745
By passing through a mass of particles or a porous member
Official title: {by passing through a mass of particles or a porous member}
F16L55/02745 (By passing through a mass of particles or a porous member) appears on 7 US grants and 9 published applications in this corpus.
Search patents in F16L- Granted patents
- 7
- Published applications
- 9
- Assignees
- 13
- Inventors
- 28
- Latest grant
- 14 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for regulating pressure of exhaust gas of fuel cell system14 Mar 2023US 11,605,827 B2Hyundai Motor Company
- Mesh apparatus for diffusing rainwater droplets in a downspout4 Feb 2020US 10,550,985 B1
- Noise attenuation unit for engine systems18 Sep 2018US 10,077,746 B2Dayco IP Holdings, LLC
- Noise attenuation unit for engine systems11 Apr 2017US 9,617,958 B2Dayco IP Holdings, LLC
- Sound damping device, preferably for reducing the noise of blow-off valves7 Apr 1987US 4,655,317 AAutoipari Kutato es Fejlesztu Vallalat
- Noise reduction device and refrigeration device having the same30 Nov 2023US 2023/0383888 A1Chongqing Haier Refrigeration Electric Appliance Co., Ltd.
- Method and apparatus for suppressing undesirable tones in an exhaust system23 Mar 2023US 2023/0089571 A1TMG Performance Products, LLC
- Apparatus for regulating pressure of exhaust gas of fuel cell system11 Jun 2020US 2020/0185745 A1Hyundai Motor Company
- Method and apparatus for suppressing undesirable tones in an exhaust system12 Mar 2020US 2020/0080451 A1TMG Performance Products, LLC
- Noise attenuation unit for engine systems8 Jun 2017US 2017/0159622 A1Dayco IP Holdings, LLC
Most cited
By later US patents
- Arrangement for suppressing vibrations caused by the flow of a flowable medium28US 4,150,696 AMax-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V. · 1979
- Sound damping device, preferably for reducing the noise of blow-off valves3US 4,655,317 AAutoipari Kutato es Fejlesztu Vallalat · 1987
- Porous acoustic element and a method of controlling aerodynamic noise in a flowing gas2US 4,262,770 AFacet Enterprises, Inc. · 1981
- Mesh apparatus for diffusing rainwater droplets in a downspout1US 10,550,985 B12020
- Noise attenuation unit for engine systems1US 9,617,958 B2Dayco IP Holdings, LLC · 2017