F01N 1/10
In combination with sound-absorbing materials
Official title: in combination with sound-absorbing materials (F01N1/125 takes precedence)
F01N1/10 (In combination with sound-absorbing materials) appears on 241 US grants and 154 published applications in this corpus.
Search patents in F01N- Granted patents
- 241
- Published applications
- 154
- Assignees
- 144
- Inventors
- 494
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 17 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 8 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 6 |
| 2003 | 6 | 4 |
| 2004 | 4 | 3 |
| 2005 | 4 | 11 |
| 2006 | 1 | 7 |
| 2007 | 5 | 11 |
| 2008 | 5 | 16 |
| 2009 | 3 | 8 |
| 2010 | 9 | 6 |
| 2011 | 6 | 6 |
| 2012 | 9 | 6 |
| 2013 | 6 | 8 |
| 2014 | 6 | 4 |
| 2015 | 9 | 4 |
| 2016 | 3 | 3 |
| 2017 | 4 | 7 |
| 2018 | 3 | 6 |
| 2019 | 5 | 5 |
| 2020 | 4 | 8 |
| 2021 | 4 | 4 |
| 2022 | 9 | 4 |
| 2023 | 4 | 3 |
| 2024 | 1 | 4 |
| 2025 | 5 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Muffler for internal combustion engines25 Aug 2026US 12,716,373 B2Plaggio & C. S.P.A.
- Sound absorbing element with low profile micro-louver slits and muffler assembly using the same9 Dec 2025US 12,492,654 B2ACS Industries, Inc.
- Exhaust gas assembly28 Oct 2025US 12,454,902 B2The University of Adelaide
- Turbo-compounded engine with exhaust duct acoustic arrangement16 Sep 2025US 12,415,611 B2Pratt & Whitney Canada Corp.
- Small air-cooled engine assembly with dry sump lubrication system16 Sep 2025US 12,416,252 B2Briggs & Stratton Corporation
- Variable Muffler7 May 2026US 2026/0125997 A1
- Exhaust muffler2 Apr 2026US 2026/0092545 A1Tenneco Automotive Operating Company Inc.
- Turbo-compounded engine with exhaust duct acoustic arrangement19 Mar 2026US 2026/0077875 A1Pratt & Whitney Canada Corp.
- Exhaust Muffler12 Mar 2026US 2026/0071564 A1Tenneco Automotive Operating Company Inc.
- Sound damper, in particular for a fuel-cell system20 Nov 2025US 2025/0357515 A1Purem GmbH
Most cited
By later US patents
- Exhaust muffler174US 4,880,078 AHonda Giken Kogyo Kabushiki Kaisha · 1989
- Device for silencing firearms160US 4,576,083 A1986
- Blower pipe with silencer111US 5,841,080 AKioritz Corporation · 1998
- Muffler for internal combustion engines80US 4,589,516 AHonda Giken Kogyo Kabushiki Kaisha · 1986
- Automobile exhaust noise suppressor54US 5,614,699 ANissan Motor Co., Ltd. · 1997