F01N 3/0275
Using electric discharge means
Official title: {using electric discharge means}
F01N3/0275 (Using electric discharge means) appears on 90 US grants and 104 published applications in this corpus.
Search patents in F01N- Granted patents
- 90
- Published applications
- 104
- Assignees
- 67
- Inventors
- 205
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 8 |
| 2005 | 1 | 4 |
| 2006 | 6 | 9 |
| 2007 | 3 | 3 |
| 2008 | 2 | 1 |
| 2009 | 4 | 9 |
| 2010 | 1 | 4 |
| 2011 | 2 | 9 |
| 2012 | 3 | 5 |
| 2013 | 6 | 6 |
| 2014 | 5 | 3 |
| 2015 | 6 | 0 |
| 2016 | 3 | 5 |
| 2017 | 3 | 4 |
| 2018 | 4 | 5 |
| 2019 | 7 | 2 |
| 2020 | 3 | 5 |
| 2021 | 4 | 3 |
| 2022 | 3 | 7 |
| 2023 | 6 | 2 |
| 2024 | 4 | 4 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Support unit for supporting a heating conductor of an exhaust gas heater on a carrier structure1 Jul 2025US 12,345,190 B2Purem GmbH
- Non-thermal plasma-based exhaust gas particulate matter reduction apparatus for preventing arcing phenomenon29 Apr 2025US 12,285,720 B2Prime Solution, Inc.
- Electrical heaters for exhaust aftertreatment systems and assemblies4 Mar 2025US 12,245,339 B2Corning Incorporated
- Electrical heaters for exhaust aftertreatment systems and assemblies3 Sep 2024US 12,082,312 B2Corning Incorporated
- Method and device for heating an exhaust pipe in a motor vehicle23 Jul 2024US 12,044,156 B2Eldor Corrporation S.P.A.
- Electrical heaters for exhaust aftertreatment systems and assemblies31 Jul 2025US 2025/0247918 A1Corning Incorporated
- Electrical heaters for exhaust aftertreatment systems and assemblies12 Dec 2024US 2024/0414814 A1Corning Incorporated
- Electrical heaters for exhaust aftertreatment systems and assemblies20 Jun 2024US 2024/0206019 A1Corning Incorporated
- Support unit for supporting a heating conductor of an exhaust gas heater on a carrier structure6 Jun 2024US 2024/0183298 A1Purem GmbH
- A method and device for heating an exhaust pipe in a motor vehicle28 Mar 2024US 2024/0102409 A1Eldor Corporation S.P.A.
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
- Process and system for the oxidation of engine emission particulates deposited in a particulate filter trap39US 4,730,454 AFEV Forschungsgesellschaft fur Energie-Technik und Verbrennungsmotoren mbH · 1988
- Apparatus and method for filtering particulate and reducing NOx emissions32US 6,989,045 B2Illinois Valley Holding Company · 2006
- Exhaust gas purification30US 5,440,876 AUnited Kingdom Atomic Energy Authority · 1995
- Exhaust gas recirculation filtration system27US 6,474,060 B2Southwest Research Institute · 2002