B01D 2273/22
Making use of microwaves
Official title: Making use of microwaves, e.g. for measurements
B01D2273/22 (Making use of microwaves) appears on 18 US grants and 17 published applications in this corpus.
Search patents in B01D- Granted patents
- 18
- Published applications
- 17
- Assignees
- 19
- Inventors
- 53
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 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 | 1 | 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 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 2 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Microwave irradiation device, exhaust purification apparatus, automobile and management system29 Dec 2020US 10,876,458 B2Fujitsu Limited
- Exhaust purification device, internal combustion device, and power generation device3 Mar 2020US 10,576,406 B2Fujitsu Limited
- Fuel treatment module, system and method6 Aug 2019US 10,371,105 B1Cameron Dynamics, LLC
- Particulate filter and exhaust gas purifier5 Mar 2019US 10,221,739 B2Fujitsu Limited
- Filter having a coil arrangement and filter assembly having such a filter25 Jul 2024US 2024/0246016 A1Carl Freudenberg KG
- Microwave enhanced air disinfection system19 May 2022US 2022/0152540 A1Vektra Systems LLC
- 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.
- Antenna, covering member, and exhaust purification device29 Nov 2018US 2018/0339256 A1Fujitsu Limited
Most cited
By later US patents
- Filter and means for regeneration thereof89US 5,087,272 A1992
- Collection-amount detection method for particulate matters and collection-amount detection apparatus therefor and exhaust-gas converting apparatus19US 8,119,988 B2Nippon Soken, Inc. · 2012
- Filter element with discrete heat generators and method of manufacture17US 6,379,407 B1Cummins Inc. · 2002
- Method and apparatus for sterilizing a gas, and device for conditioning and protecting a zone from a space16US 4,422,369 AE.N.I. Electrische Nijverheidsinstallaties · 1983
- Filter apparatus10US 7,357,858 B2Levitronix LLC · 2008