G10K 2210/12822
Exhaust pipes or mufflers
G10K2210/12822 (Exhaust pipes or mufflers) appears on 76 US grants and 53 published applications in this corpus.
Search patents in G10K- Granted patents
- 76
- Published applications
- 53
- Assignees
- 53
- Inventors
- 146
- Latest grant
- 5 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 2 |
| 2002 | 0 | 2 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 4 |
| 2016 | 5 | 2 |
| 2017 | 3 | 10 |
| 2018 | 9 | 4 |
| 2019 | 9 | 6 |
| 2020 | 1 | 7 |
| 2021 | 7 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- In-vehicle noise cancellation adaptive filter divergence control5 Jul 2022US 11,380,297 B2Harman International Industries, Incorporated
- Sound signal control device and method, and recording medium19 Oct 2021US 11,153,683 B2Mitsubishi Electric Corporation
- Road vehicle with an internal combustion engine and provided with an exhaust noise transmission device8 Jun 2021US 11,028,743 B2Ferrari S.P. A.
- Loudspeaker arrangement18 May 2021US 11,011,151 B2Harman Becker Automotive Systems GmbH
- Solid-state transducer, system, and method9 Mar 2021US 10,943,577 B2Michigan Technological University
- Acoustic device for a vehicle19 Sep 2024US 2024/0308342 A1
- In-vehicle noise cancellation adaptive filter divergence control6 May 2021US 2021/0134259 A1Harman International Industries, Incorporated
- Solid-state transducer, system, and method31 Dec 2020US 2020/0410973 A1Michigan Technological University
- Voice echo suppression in engine order cancellation systems10 Dec 2020US 2020/0388267 A1Harman International Industries, Incorporated
- Sound signal control device and method, and program and recording medium19 Nov 2020US 2020/0366987 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Active sound attenation system for engine exhaust systems and the like60US 5,097,923 ANoise Cancellation Technologies, Inc. · 1992
- Method and apparatus for low frequency active attenuation58US 4,527,282 ASound Attenuators Limited · 1985
- Internal ported band pass enclosure for sound cancellation47US 5,229,556 AFord Motor Company · 1993
- System and method for reducing engine noise39US 5,828,759 ASiemens Electric Limited · 1998
- Active silencer38US 4,805,733 ANippon Soken, Inc. · 1989