F01N 3/005
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise
Official title: {for draining or otherwise eliminating condensates or moisture accumulating in the apparatus (F01N3/02 takes precedence)}
F01N3/005 (Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise) appears on 225 US grants and 239 published applications in this corpus.
Search patents in F01N- Granted patents
- 225
- Published applications
- 239
- Assignees
- 159
- Inventors
- 542
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 3 |
| 2003 | 3 | 4 |
| 2004 | 7 | 9 |
| 2005 | 2 | 4 |
| 2006 | 6 | 9 |
| 2007 | 3 | 7 |
| 2008 | 5 | 6 |
| 2009 | 2 | 6 |
| 2010 | 6 | 4 |
| 2011 | 5 | 14 |
| 2012 | 5 | 8 |
| 2013 | 9 | 6 |
| 2014 | 7 | 11 |
| 2015 | 11 | 11 |
| 2016 | 10 | 14 |
| 2017 | 11 | 8 |
| 2018 | 8 | 12 |
| 2019 | 8 | 18 |
| 2020 | 15 | 12 |
| 2021 | 14 | 20 |
| 2022 | 12 | 17 |
| 2023 | 13 | 12 |
| 2024 | 5 | 8 |
| 2025 | 8 | 10 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control device for internal combustion engine25 Aug 2026US 12,716,393 B2Toyota Jidosha Kabushiki Kaisha
- Broadband muffler for fuel cell vehicle7 Oct 2025US 12,434,575 B2Mann+Hummel Filter (Shanghai) Co. Ltd.
- Water drainage assemblies for aftertreatment systems24 Jun 2025US 12,338,756 B2Cummins Emission Solutions Inc.
- System and method for exhaust gas conditioning13 May 2025US 12,296,668 B2Echeneidae Inc.
- System and method for mobile carbon capture13 May 2025US 12,297,759 B2Echeneidae Inc.
- Apparatus for leading off condensed water from an exhaust train24 Sep 2026US 2026/0286872 A1Bmw AG
- Apparatus for leading off condensed water from an exhaust train24 Sep 2026US 2026/0286873 A1Bmw AG
- Feeding and exhaust system for internal combustion engine, or thermal unit, and respective method of operation13 Aug 2026US 2026/0235064 A1Rhapis S.R.L.
- Steam-injected engine heat exchanger arrangement30 Apr 2026US 2026/0117698 A1Rtx Corporation
- Condenser for steam-injected engine12 Mar 2026US 2026/0071571 A1Rtx Corporation
Most cited
By later US patents
- Vertical mount catalytic converter muffler73US 5,808,245 ADonaldson Company, Inc. · 1998
- Rainproof exhaust pipe47US 5,170,020 ADeere & Company · 1992
- Process for minimising the emission of particular matter from marine diesel engines39US 8,524,180 B2Clean Marine AS · 2013
- On-board water addition for fuel separation system36US 7,845,315 B2Ford Global Technologies, LLC · 2010
- Vertical exhaust system incorporating a water trap35US 5,321,215 ANelson Industries, Inc. · 1994