F01N 13/085
Having means preventing foreign matter from entering exhaust conduit
Official title: {having means preventing foreign matter from entering exhaust conduit}
F01N13/085 (Having means preventing foreign matter from entering exhaust conduit) appears on 128 US grants and 90 published applications in this corpus.
Search patents in F01N- Granted patents
- 128
- Published applications
- 90
- Assignees
- 67
- Inventors
- 246
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 3 |
| 2004 | 5 | 2 |
| 2005 | 3 | 3 |
| 2006 | 2 | 3 |
| 2007 | 2 | 3 |
| 2008 | 1 | 6 |
| 2009 | 2 | 5 |
| 2010 | 2 | 6 |
| 2011 | 2 | 2 |
| 2012 | 3 | 3 |
| 2013 | 5 | 1 |
| 2014 | 5 | 8 |
| 2015 | 7 | 4 |
| 2016 | 6 | 4 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 1 | 3 |
| 2020 | 3 | 6 |
| 2021 | 6 | 5 |
| 2022 | 8 | 7 |
| 2023 | 3 | 2 |
| 2024 | 4 | 2 |
| 2025 | 4 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust handling systems for marine vessels and related methods12 Aug 2025US 12,384,508 B2Marathon Petroleum Company LP
- Water drainage assemblies for aftertreatment systems24 Jun 2025US 12,338,756 B2Cummins Emission Solutions Inc.
- Heat shield for exhaust system20 May 2025US 12,305,549 B2AGCO International GmbH
- Cover assembly, pipe assembly and turbine fracturing unit20 May 2025US 12,305,550 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Exhaust handling systems for marine vessels and related methods23 Jul 2024US 12,043,361 B1Marathon Petroleum Company LP
- Shock Cooling Prevention Device for Fossil Fuel Driven Engines17 Sep 2026US 2026/0275896 A1
- Exhaust Closure Device16 Jul 2026US 2026/0201825 A1
- Exhaust handling systems for marine vessels and related methods27 Nov 2025US 2025/0360999 A1Marathon Petroleum Company LP
- Heat Shield for Exhaust System3 Apr 2025US 2025/0109705 A1AGCO International GmbH
- Exhaust assembly for a prime mover of a transport power system13 Mar 2025US 2025/0084781 A1Thermo King Corporation
Most cited
By later US patents
- Rain shield assembly, pipe assembly and turbine fracturing unit140US 11,105,250 B1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2021
- Exhaust valve70US 5,355,673 A1994
- Exhaust coupling assembly for a marine stern drive47US 4,178,873 ABrunswick Corporation · 1979
- Exhaust system for small vessel47US 4,997,399 ASanshin Kogyo Kabushiki Kaisha · 1991
- Rainproof exhaust pipe47US 5,170,020 ADeere & Company · 1992