F01N 2410/00
Gas-flow silencers or exhaust apparatus for machines or engines in general: by-passing
Official title: By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
F01N2410/00 (Gas-flow silencers or exhaust apparatus for machines or engines in general: by-passing) appears on 879 US grants and 792 published applications in this corpus.
Search patents in F01N- Granted patents
- 879
- Published applications
- 792
- Assignees
- 323
- Inventors
- 1,871
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 12 | 0 |
| 1990 | 14 | 0 |
| 1991 | 3 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 15 | 0 |
| 1997 | 14 | 0 |
| 1998 | 15 | 0 |
| 1999 | 16 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 3 |
| 2002 | 6 | 15 |
| 2003 | 10 | 13 |
| 2004 | 11 | 24 |
| 2005 | 16 | 17 |
| 2006 | 7 | 24 |
| 2007 | 11 | 21 |
| 2008 | 10 | 36 |
| 2009 | 13 | 26 |
| 2010 | 21 | 34 |
| 2011 | 16 | 42 |
| 2012 | 33 | 31 |
| 2013 | 37 | 32 |
| 2014 | 35 | 43 |
| 2015 | 35 | 39 |
| 2016 | 27 | 41 |
| 2017 | 37 | 49 |
| 2018 | 43 | 63 |
| 2019 | 56 | 44 |
| 2020 | 54 | 51 |
| 2021 | 43 | 36 |
| 2022 | 44 | 40 |
| 2023 | 33 | 28 |
| 2024 | 38 | 17 |
| 2025 | 21 | 13 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F01N 2410/04During regeneration periodIndexing code143
- F01N 2410/12In case of absorption, adsorption or desorption of exhaust gas constituentsIndexing code140
- F01N 2410/02In case of high temperatureIndexing code120
- F01N 2410/06At cold startingIndexing code114
- F01N 2410/03In case of low temperatureIndexing code74
- F01N 2410/10Gas-flow silencers or exhaust apparatus for machines or engines in general: by-passingIndexing code57
- F01N 2410/08In case of cloggingIndexing code25
- F01N 2410/14In case of excessive pressureIndexing code16
Recent patents
- System and method for controlling a cold light off catalyst8 Sep 2026US 12,729,639 B2Fca US LLC
- Muffler for internal combustion engines25 Aug 2026US 12,716,373 B2Plaggio & C. S.P.A.
- Mild-hybrid electric vehicle (MHEV) emissions aftertreatment system18 Aug 2026US 12,710,025 B2Saudi Arabian Oil Company
- Locomotive exhaust aftertreatment system28 Jul 2026US 12,692,808 B1Echeneidae Inc.
- Exhaust system and method of operating the same21 Jul 2026US 12,687,125 B1Saudi Arabian Oil Company
- System and method for controlling a cold light off catalyst3 Sep 2026US 2026/0258742 A1Fca US LLC
- Engine Assembly20 Aug 2026US 2026/0241341 A1Perkins Engines Company Limited
- System and method for bypassing carbon capture system of gas turbine engine18 Jun 2026US 2026/0166486 A1
- Component of an exhaust system replacing a particulate filter11 Jun 2026US 2026/0160192 A1Capristo Automotive GmbH
- Turbocharger assembly9 Apr 2026US 2026/0097827 A1Bombardier Recreational Products Inc.
Most cited
By later US patents
- Apparatus and method for internal combustion engine control173US 5,657,625 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- Dual converter engine exhaust system for reducing hydrocarbon emissions137US 5,125,231 ACorning Incorporated · 1992
- Exhaust processor114US 4,651,524 AArvin Industries, Inc. · 1987
- Exhaust emission control device for a diesel engine106US 4,934,142 AToyota Jidosha Kabushiki Kaisha · 1990
- Exhaust gas purification system for an internal combustion engine99US 5,331,809 AToyota Jidosha Kabushiki Kaisha · 1994