F01N 3/028
Using microwaves
Official title: using microwaves
F01N3/028 (Using microwaves) appears on 47 US grants and 48 published applications in this corpus.
Search patents in F01N- Granted patents
- 47
- Published applications
- 48
- Assignees
- 35
- Inventors
- 112
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 1 | 4 |
| 2005 | 2 | 1 |
| 2006 | 1 | 3 |
| 2007 | 3 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 2 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 4 |
| 2018 | 0 | 7 |
| 2019 | 3 | 4 |
| 2020 | 10 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Diesel particulate filtration (DPF) system3 Oct 2023US 11,772,079 B2South Bank University Enterprises Ltd.
- Microwave enhancement of exhaust aftertreatment systems14 Mar 2023US 11,603,786 B1Southwest Research Institute
- Control device for internal combustion engine10 Aug 2021US 11,085,341 B2Toyota Jidosha Kabushiki Kaisha
- Microwave irradiation device, exhaust purification apparatus, automobile and management system29 Dec 2020US 10,876,458 B2Fujitsu Limited
- Exhaust gas purification system for internal combustion engine22 Dec 2020US 10,871,094 B2Toyota Jidosha Kabushiki Kaisha
- Diesel Particulate Filtration (DPF) System2 Dec 2021US 2021/0370275 A9South Bank University Enterprises Ltd.
- Diesel Particulate Filtration (DPF) System15 Apr 2021US 2021/0106981 A1South Bank University Enterprises Ltd.
- Control device for internal combustion engine24 Dec 2020US 2020/0400053 A1Toyota Jidosha Kabushiki Kaisha
- Catalyst heating device and heating device19 Dec 2019US 2019/0381455 A1Panasonic Corporation
- Exhaust gas purification system for internal combustion engine26 Sep 2019US 2019/0292957 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Filter and means for regeneration thereof89US 5,087,272 A1992
- Pollution arrestor68US 5,536,477 AChang Yul Cha · 1996
- Filter regenerating apparatus and method for an internal combustion engine57US 5,423,180 AMatsushita Electric Industrial Co., Ltd. · 1995
- Exhaust filter element and exhaust gas-treating apparatus49US 5,194,078 AMatsushita Electric Industrial Co., Ltd. · 1993
- Microwave diesel scrubber assembly48US 5,074,112 AAtomic Energy of Canada Limited · 1991