F01N 3/0335
With exhaust silencers in a single housing
Official title: {with exhaust silencers in a single housing}
F01N3/0335 (With exhaust silencers in a single housing) appears on 90 US grants and 75 published applications in this corpus.
Search patents in F01N- Granted patents
- 90
- Published applications
- 75
- Assignees
- 55
- Inventors
- 210
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 4 |
| 2003 | 2 | 4 |
| 2004 | 2 | 3 |
| 2005 | 2 | 4 |
| 2006 | 2 | 5 |
| 2007 | 0 | 4 |
| 2008 | 5 | 5 |
| 2009 | 1 | 4 |
| 2010 | 1 | 6 |
| 2011 | 2 | 9 |
| 2012 | 3 | 2 |
| 2013 | 7 | 2 |
| 2014 | 4 | 4 |
| 2015 | 3 | 1 |
| 2016 | 4 | 0 |
| 2017 | 4 | 5 |
| 2018 | 3 | 1 |
| 2019 | 2 | 2 |
| 2020 | 0 | 2 |
| 2021 | 2 | 3 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-stage emission system for large displacement compression ignition non-road diesel generator systems for emergency and non-emergency stationary power applications14 Jul 2026US 12,680,488 B2Bluefin ESI, Inc.
- Configurable aftertreatment systems including a housing22 Oct 2024US 12,123,334 B2Cummins Emission Solutions Inc.
- Compact exhaust gas treatment system with serviceable filter1 Oct 2024US 12,104,513 B2Dinex A/S
- Configurable aftertreatment systems including a housing28 Nov 2023US 11,828,214 B2Cummins Emission Solutions Inc.
- Pillar shaped honeycomb structure, exhaust gas purifying device, exhaust system, and method for producing honeycomb structure28 Mar 2023US 11,614,011 B2NGK Insulators, Ltd.
- Multi-stage emission system for large displacement compression ignition non-road diesel generator systems for emergency and non-emergency stationary power applications28 May 2026US 2026/0146552 A1Bluefin ESI, Inc.
- Motorcycle-type vehicle, in particular motorcycle, with a particulate filter20 Nov 2025US 2025/0354508 A1Bayerische Motoren Werke Aktiengesellschaft
- Compact exhaust gas treatment system with serviceable filter7 Mar 2024US 2024/0077012 A1Dinex A/S
- Configurable aftertreatment systems including a housing8 Feb 2024US 2024/0044272 A1Cummins Emission Solutions Inc.
- Configurable aftertreatment systems including a housing20 Apr 2023US 2023/0123437 A1Cummins Emission Solutions Inc.
Most cited
By later US patents
- Muffler apparatus with filter trap and method of use96US 4,851,015 ADonaldson Company, Inc. · 1989
- Silencer83US 6,312,650 B1Silentor Holding A/S · 2001
- Exhaust gas purifying apparatus built-in to a muffler for a diesel engine76US 4,916,897 AToyota Jidosha Kabushiki Kaisha · 1990
- Muffler and exhaust gas purifier for internal combustion engines57US 4,032,310 A1977
- Spark arrester with spark filter55US 6,467,570 B1Arvin Technologies, Inc. · 2002