F01N 1/065
By using an active noise source
Official title: {by using an active noise source, e.g. speakers}
F01N1/065 (By using an active noise source) appears on 137 US grants and 100 published applications in this corpus.
Search patents in F01N- Granted patents
- 137
- Published applications
- 100
- Assignees
- 76
- Inventors
- 256
- Latest grant
- 6 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 2 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 4 |
| 2009 | 1 | 3 |
| 2010 | 2 | 1 |
| 2011 | 3 | 4 |
| 2012 | 1 | 5 |
| 2013 | 4 | 9 |
| 2014 | 4 | 7 |
| 2015 | 4 | 11 |
| 2016 | 11 | 3 |
| 2017 | 9 | 15 |
| 2018 | 10 | 5 |
| 2019 | 12 | 9 |
| 2020 | 4 | 6 |
| 2021 | 4 | 5 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and system for adjusting vehicle operation based on a predicted state of a vehicle occupant6 Aug 2024US 12,054,163 B2Ford Global Technologies, LLC
- Exhaust sound bypass21 May 2024US 11,988,122 B2McLaren Automotive Limited
- Vehicle sound attenuation25 Jul 2023US 11,708,084 B2Ford Global Technologies, LLC
- Methods and system for adjusting vehicle operation based on a predicted state of a vehicle occupant20 Sep 2022US 11,447,143 B2Ford Global Technologies, LLC
- Active noise reduction method, system, and new energy vehicle10 Aug 2021US 11,087,734 B1BYD Company Limited
- Acoustic device for a vehicle19 Sep 2024US 2024/0308342 A1
- Automatic vehicle feature selection27 Jun 2024US 2024/0208507 A1GM Global Technology Operations LLC
- Sound pressure generator1 Dec 2022US 2022/0381169 A1Mitsubishi Heavy Industries, Ltd.
- Methods and system for adjusting vehicle operation based on a predicted state of a vehicle occupant15 Sep 2022US 2022/0289211 A1Ford Global Technologies, LLC
- Vehicular independent sound field forming device and vehicular independent sound field forming method9 Dec 2021US 2021/0380055 A1Sqand Co. Ltd.
Most cited
By later US patents
- Active noise control system for attenuating engine generated noise89US 5,321,759 AGeneral Motors Corporation · 1994
- Hybrid active silencer80US 4,665,549 ANelson Industries, Inc. · 1987
- Integrated active vibration cancellation and machine diagnostic system67US 5,313,407 AFord Motor Company · 1994
- Active sound attenation system for engine exhaust systems and the like60US 5,097,923 ANoise Cancellation Technologies, Inc. · 1992
- Method of reducing the adaption time in the cancellation of repetitive vibration52US 4,417,098 ASound Attenuators Limited · 1983