F01N 3/0892
Electric or magnetic treatment
Official title: {Electric or magnetic treatment, e.g. dissociation of noxious components}
F01N3/0892 (Electric or magnetic treatment) appears on 323 US grants and 274 published applications in this corpus.
Search patents in F01N- Granted patents
- 323
- Published applications
- 274
- Assignees
- 174
- Inventors
- 683
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 13 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 15 | 7 |
| 2002 | 12 | 19 |
| 2003 | 16 | 19 |
| 2004 | 12 | 27 |
| 2005 | 22 | 11 |
| 2006 | 15 | 27 |
| 2007 | 6 | 8 |
| 2008 | 7 | 3 |
| 2009 | 7 | 11 |
| 2010 | 7 | 7 |
| 2011 | 1 | 4 |
| 2012 | 1 | 5 |
| 2013 | 8 | 4 |
| 2014 | 7 | 12 |
| 2015 | 12 | 11 |
| 2016 | 11 | 12 |
| 2017 | 4 | 8 |
| 2018 | 6 | 10 |
| 2019 | 10 | 12 |
| 2020 | 14 | 13 |
| 2021 | 12 | 9 |
| 2022 | 6 | 11 |
| 2023 | 9 | 9 |
| 2024 | 9 | 8 |
| 2025 | 12 | 6 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust system and features thereof21 Apr 2026US 12,607,140 B2ECC TEC MSJ Incorporated
- Catalytic converter24 Feb 2026US 12,560,114 B2ECC TEC MSJ Incorporated
- Apparatus, methods and systems for electrically heated particulate filter and SCR catalyst in vehicles6 Jan 2026US 12,516,618 B2Cummins Inc.
- Engine device2 Dec 2025US 12,486,793 B2Yanmar Holdings Co., Ltd.
- Modular plasma reformer treatment system25 Nov 2025US RE50,672 E1Rimere, LLC
- Exhaust system and features thereof27 Aug 2026US 2026/0251080 A1ECC TEC MSJ Incorporated
- Exhaust system and components thereof13 Nov 2025US 2025/0347239 A1ECC TEC MSJ Incorporated
- System And Methods For Plasma-Based Remediation19 Jun 2025US 2025/0196059 A1Tai Chong Cheang Steamship Co. (H.K.) Limited
- Engine device24 Apr 2025US 2025/0129732 A1Yanmar Holdings Co., Ltd.
- Combustion apparatus and method of making a combustion apparatus27 Mar 2025US 2025/0099894 A1University of Newcastle Upon Tyne
Most cited
By later US patents
- Exhaust system with emissions storage device and plasma reactor111US 5,746,984 ALow Emissions Technologies Research and Development Partnership · 1998
- Variable oxygen/nitrogen enriched intake air system for internal combustion engine applications110US 5,649,517 AThe University of Chicago · 1997
- Apparatus for removing soot and NOx in exhaust gas from diesel engines89US 6,772,584 B22004
- Plasma regenerated particulate trap and NO.sub.x reduction system83US 6,038,854 AThe Regents of the University of California · 2000
- Method of removing SO.sub.2, NO.sub.X and particles from gas mixtures using streamer corona77US 4,695,358 AFlorida State University · 1987