F01N 3/202
Using microwaves
Official title: {using microwaves}
F01N3/202 (Using microwaves) appears on 43 US grants and 44 published applications in this corpus.
Search patents in F01N- Granted patents
- 43
- Published applications
- 44
- Assignees
- 31
- Inventors
- 108
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 3 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 2 | 2 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 7 |
| 2020 | 6 | 6 |
| 2021 | 5 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 3 |
| 2024 | 5 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for managing ammonia slip with a heater29 Jul 2025US 12,372,019 B2Cummins Inc.
- System for reducing voc and nitrogen oxide and method for reducing same17 Sep 2024US 12,092,010 B2Korea Research Institute of Chemical Technology
- System for reducing VOC and nitrogen oxide and method for reducing same23 Apr 2024US 11,965,446 B2Korea Research Institute of Chemical Technology
- Internal-combustion-engine warm-up apparatus16 Apr 2024US 11,959,409 B2Isuzu Motors Limited
- Oxidizing reactor apparatus26 Mar 2024US 11,939,901 B1
- Systems and methods for managing ammonia slip with a heater4 Jul 2024US 2024/0218818 A1Cummins Inc.
- System for reducing voc and nitrogen oxide and method for reducing same30 Nov 2023US 2023/0383680 A1Korea Research Institute of Chemical Technology
- Internal-combustion-engine warm-up apparatus28 Sep 2023US 2023/0304426 A1Isuzu Motors Limited
- Systems and methods for coordination of skip-fire and aftertreatment heater operation to maintain exhaust gas temperature29 Jun 2023US 2023/0204000 A1Cummins Inc.
- Exhaust gas mixer, system, and method of using22 Dec 2022US 2022/0403766 A1Emissol, LLC
Most cited
By later US patents
- Pollution arrestor68US 5,536,477 AChang Yul Cha · 1996
- Single mode resonant cavity53US 6,131,386 ACentral Research Laboratories Limited · 2000
- Plasma catalyst47US 7,608,798 B2BTU International, Inc. · 2009
- Plasma catalyst39US 7,132,621 B2Dana Corporation · 2006
- Emission control29US 5,180,559 AFord Motor Company · 1993