F01N 2590/00
Exhaust or silencing apparatus adapted to particular use
Official title: Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
F01N2590/00 (Exhaust or silencing apparatus adapted to particular use) appears on 2,220 US grants and 2,058 published applications in this corpus.
Search patents in F01N- Granted patents
- 2,220
- Published applications
- 2,058
- Assignees
- 538
- Inventors
- 4,268
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 19 | 0 |
| 1989 | 19 | 0 |
| 1990 | 9 | 0 |
| 1991 | 13 | 0 |
| 1992 | 15 | 0 |
| 1993 | 15 | 0 |
| 1994 | 17 | 0 |
| 1995 | 21 | 0 |
| 1996 | 26 | 0 |
| 1997 | 21 | 0 |
| 1998 | 29 | 0 |
| 1999 | 39 | 0 |
| 2000 | 38 | 0 |
| 2001 | 35 | 18 |
| 2002 | 33 | 34 |
| 2003 | 41 | 28 |
| 2004 | 27 | 37 |
| 2005 | 31 | 26 |
| 2006 | 19 | 28 |
| 2007 | 17 | 37 |
| 2008 | 16 | 52 |
| 2009 | 22 | 57 |
| 2010 | 39 | 65 |
| 2011 | 42 | 58 |
| 2012 | 45 | 76 |
| 2013 | 62 | 76 |
| 2014 | 85 | 103 |
| 2015 | 118 | 130 |
| 2016 | 102 | 158 |
| 2017 | 132 | 138 |
| 2018 | 101 | 132 |
| 2019 | 160 | 121 |
| 2020 | 130 | 157 |
| 2021 | 127 | 109 |
| 2022 | 129 | 130 |
| 2023 | 129 | 102 |
| 2024 | 105 | 82 |
| 2025 | 90 | 58 |
| 2026 | 30 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F01N 2590/08Exhaust or silencing apparatus adapted to particular use: for heavy duty applicationsIndexing code697
- F01N 2590/02Exhaust or silencing apparatus adapted to particular use: for marine vessels orIndexing code692
- F01N 2590/04Exhaust or silencing apparatus adapted to particular use: for motorcyclesIndexing code311
- F01N 2590/11Exhaust or silencing apparatus adapted to particular use: for hybrid vehiclesIndexing code268
- F01N 2590/06Exhaust or silencing apparatus adapted to particular use: for hand-held tools orIndexing code165
- F01N 2590/10Exhaust or silencing apparatus adapted to particular use: for stationary applicationsIndexing code128
Recent patents
- Saddle-type vehicle with exhaust pipe catalyst arrangement15 Sep 2026US 12,736,004 B2Kawasaki Motors, Ltd.
- Snowmobile having a parallel-path exhaust system for two-stroke engine1 Sep 2026US 12,723,534 B2Arctic Cat Inc.
- Air cooling systems for snowmobiles1 Sep 2026US 12,723,538 B2Arctic Cat Inc.
- Emissions management for diesel series hybrid powertrains25 Aug 2026US 12,715,426 B2Cummins Inc.
- Exhaust system25 Aug 2026US 12,715,567 B2Yanmar Holdings Co., Ltd.
- Ultra-low nox diesel engine generator with selective catalytic reduction engineered exhaust system and method1 Oct 2026US 2026/0298124 A1Industrial Service Solutions WC, Inc.
- Shock Cooling Prevention Device for Fossil Fuel Driven Engines17 Sep 2026US 2026/0275896 A1
- Method for powering a heating device for a catalytic converter3 Sep 2026US 2026/0258741 A1Schaeffler Technologies AG & Co. KG
- Exhaust manifold and engine27 Aug 2026US 2026/0251085 A1Yanmar Holdings Co., Ltd.
- Integrated process for removing carbon dioxide from a ship or offshore floating vessel using a rotating packed device20 Aug 2026US 2026/0243184 A1Chevron U.S.A.Inc.
Most cited
By later US patents
- System comprising duel-fuel and after treatment for heavy-heavy duty diesel (HHDD) engines180US 10,287,943 B1Clean Power Technologies, LLC · 2019
- Mobile power generation system151US 11,125,156 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2021
- Exhaust gas diffuser144US 7,779,961 B22010
- Rain shield assembly, pipe assembly and turbine fracturing unit140US 11,105,250 B1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2021
- One-piece combined muffler exhaust outlet and exhaust gas deflector134US 5,857,329 ADeere & Company · 1999