F01N 1/20
Having oscillating or vibrating movement
Official title: having oscillating or vibrating movement {(the parts being resilient walls F01N1/22)}
F01N1/20 (Having oscillating or vibrating movement) appears on 15 US grants and 5 published applications in this corpus.
Search patents in F01N- Granted patents
- 15
- Published applications
- 5
- Assignees
- 13
- Inventors
- 30
- Latest grant
- 21 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Exhaust sound bypass21 May 2024US 11,988,122 B2McLaren Automotive Limited
- Passive exhaust valve assembly with overlapping slip joint and method of forming and installation9 Apr 2019US 10,253,664 B2Middleville Tool & Die Co.
- Exhaust apparatus of internal combustion engine1 Jul 2014US 8,763,384 B2Sango Co., Ltd.
- Device for noise structuring in a motor vehicle23 Aug 2005US 6,932,189 B2DaimlerChrysler AG
- Exhaust gas control mechanism for a two-stroke engine6 Aug 2002US 6,427,645 B1Andreas Stihl AG & CO.KG
- Exhaust Sound Bypass4 Mar 2021US 2021/0062696 A1McLaren Automotive Limited
- Passive exhaust valve assembly with overlapping slip joint and method of forming and installation20 Jul 2017US 2017/0204756 A1Middleville Tool & Die Co.
- Exhaust apparatus of internal combustion engine19 Jul 2012US 2012/0180465 A1Sango Co., Ltd.
- Exhaust chamber comprising an envelope defining a gas circulation passage22 Sep 2005US 2005/0205352 A1
- Device for noise structuring in a motor vehicle27 Mar 2003US 2003/0057015 A1DaimlerChrysler AG
Most cited
By later US patents
- Single cavity automobile muffler28US 5,272,286 AActive Noise and Vibration Technologies, Inc. · 1993
- Method and apparatus for treating exhaust gases particularly for air-operated tools26US 4,244,442 ARensselaer Polytechnic Institute · 1981
- Electronic muffler26US 5,457,749 ANoise Cancellation Technologies, Inc. · 1995
- Exhaust system for watercraft20US 5,556,314 ASanshin Kogyo Kabushuki Kaisha · 1996
- Apparatus for treating flowing working gases particularly to reduce the noise in operation thereof17US 4,346,783 ARensselaer Polytechnic Institute · 1982