F23J 2217/103
Ultrafine [hepa]
Official title: ultrafine [HEPA]
F23J2217/103 (Ultrafine [hepa]) appears on 13 US grants and 10 published applications in this corpus.
Search patents in F23J- Granted patents
- 13
- Published applications
- 10
- Assignees
- 11
- Inventors
- 38
- Latest grant
- 3 Sep 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Asbestos processing3 Sep 2019US 10,400,295 B2PMC International B.V.
- Pressurized fluidized furnace equipment3 Apr 2018US 9,933,156 B2Tsukishima Kikai Co., Ltd.
- Method for burning carbonated fuels with combustion smoke filtration before compression6 May 2014US 8,715,605 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- RF plasma system for medical waste treatment18 May 2010US 7,718,120 B2
- Integrated heat recovery ventilator HEPA filter using a HEPA filter material regenerative heat exchanger18 Sep 2001US 6,289,974 B1ElasTek, Inc.
- Asbestos processing29 Dec 2016US 2016/0376673 A1PMC Holding B.V.
- Pressurized fluidized furnace equipment22 Sep 2016US 2016/0273762 A1Tsukishima Kikai Co., Ltd.
- Modular Air and Particulate Filtration Apparatus8 Mar 2012US 2012/0055383 A1
- Method For Burning Carbonated Fuels With Combustion Smoke Filtration Before Compression23 Dec 2010US 2010/0322843 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Reduction of mercury from a coal fired boiler2 Dec 2010US 2010/0300336 A1
Most cited
By later US patents
- Integrated heat recovery ventilator HEPA filter using a HEPA filter material regenerative heat exchanger36US 6,289,974 B1ElasTek, Inc. · 2001
- Process for disposal of waste by combustion with oxygen10US 5,376,354 ANoell Abfall- und Energietechnik GmbH · 1994
- Pollution control method and apparatus5US 5,199,362 A1993
- Low-temperature ashing of hazardous plastic waste5US 5,239,936 AThe United States of America as represented by the Secretary of the Air Force · 1993
- Particulate removal from point of use exhaust scrubbers5US 6,099,808 ATexas Instruments Incorporated · 2000