F01N 2270/06
Mixing air with exhaust gases: for silencing
Official title: for silencing
F01N2270/06 (Mixing air with exhaust gases: for silencing) appears on 9 US grants and 4 published applications in this corpus.
Search patents in F01N- Granted patents
- 9
- Published applications
- 4
- Assignees
- 8
- Inventors
- 20
- Latest grant
- 14 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Exhaust system component14 Mar 2023US 11,603,781 B2Faurecia Emissions Control Technologies, USA, LLC
- Exhaust baffle apparatus and method27 Oct 2020US 10,815,833 B1Marine Turbine Technologies, LLC
- Vehicular exhaust resonator with cooling feature7 Dec 2010US 7,845,465 B2Tenneco Automotive Operating Company Inc.
- Muffler17 Mar 2009US 7,503,427 B2Calsonic Kansei Corporation
- Catalytic method27 Mar 2001US 6,205,777 B1Precision Combustion, Inc.
- Ventilation type silencer3 Jul 2025US 2025/0216119 A1FUJIFILM Corporation
- Exhaust system component5 Aug 2021US 2021/0239017 A1Faurecia Emissions Control Technologies, USA, LLC
- Vehicular exhaust resonator with cooling feature5 Mar 2009US 2009/0057056 A1Tenneco Automotive Operating Company Inc.
- Muffler23 Sep 2004US 2004/0182643 A1Calsonic Kansei Corporation
Most cited
By later US patents
- Exhaust gas muffler for a two-stroke engine40US 4,890,690 A1990
- 2-cycle engine11US 5,239,950 ASanshin Kogyo Kabushiki Kaisha · 1993
- Exhaust temperature control8US 5,421,154 A1995
- Muffler5US 7,503,427 B2Calsonic Kansei Corporation · 2009
- Vehicular exhaust resonator with cooling feature5US 7,845,465 B2Tenneco Automotive Operating Company Inc. · 2010