F01N 3/0234
Using heat exchange means in the exhaust line
Official title: {using heat exchange means in the exhaust line}
F01N3/0234 (Using heat exchange means in the exhaust line) appears on 41 US grants and 39 published applications in this corpus.
Search patents in F01N- Granted patents
- 41
- Published applications
- 39
- Assignees
- 37
- Inventors
- 117
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 5 |
| 2015 | 3 | 5 |
| 2016 | 2 | 2 |
| 2017 | 2 | 6 |
| 2018 | 7 | 4 |
| 2019 | 6 | 4 |
| 2020 | 3 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for controlling a cold light off catalyst8 Sep 2026US 12,729,639 B2Fca US LLC
- System and method for treating gas turbine exhaust gas9 Jul 2024US 12,031,468 B2Nooter/Eriksen, Inc.
- Internal-combustion-engine warm-up apparatus16 Apr 2024US 11,959,409 B2Isuzu Motors Limited
- Efficient recycling system for exhaust energy of internal combustion engine22 Aug 2023US 11,732,619 B2Huazhong University of Science and Technology
- DEF thawing apparatus and method for diesel engine SCR systems18 Apr 2023US 11,629,624 B1International Engine Intellectual Property Company, LLC
- System and method for controlling a cold light off catalyst3 Sep 2026US 2026/0258742 A1Fca US LLC
- System and method for treating gas turbine exhaust gas19 Oct 2023US 2023/0332526 A1Nooter/Eriksen, Inc.
- Internal-combustion-engine warm-up apparatus28 Sep 2023US 2023/0304426 A1Isuzu Motors Limited
- Efficient recycling system for exhaust energy of internal combustion engine18 Aug 2022US 2022/0259990 A1Huazhong University of Science and Technology
- Method and system to selectively recover water vapor and latent heat from exhaust gas streams28 Apr 2022US 2022/0127983 A1Gas Technology Institute
Most cited
By later US patents
- Cross-flow filtration device with filtrate conduit network and method of making same64US 6,126,833 ACeraMem Corporation · 2000
- Diesel particulate traps25US 4,813,233 AOntario Research Foundation · 1989
- Diesel particulate traps18US 4,685,291 AOntario Research Foundation · 1987
- Exhaust treatment burner and mixer system17US 8,959,902 B2Tenneco Automotive Operating Company Inc. · 2015
- Diesel particulate traps16US 4,671,059 AOntario Research Foundation · 1987