F23J 15/025
Using filters
Official title: {using filters}
F23J15/025 (Using filters) appears on 219 US grants and 187 published applications in this corpus.
Search patents in F23J- Granted patents
- 219
- Published applications
- 187
- Assignees
- 155
- Inventors
- 506
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 5 |
| 2002 | 8 | 5 |
| 2003 | 6 | 4 |
| 2004 | 2 | 10 |
| 2005 | 5 | 6 |
| 2006 | 4 | 3 |
| 2007 | 4 | 4 |
| 2008 | 1 | 8 |
| 2009 | 4 | 4 |
| 2010 | 6 | 12 |
| 2011 | 5 | 14 |
| 2012 | 10 | 6 |
| 2013 | 4 | 13 |
| 2014 | 10 | 12 |
| 2015 | 6 | 8 |
| 2016 | 7 | 6 |
| 2017 | 8 | 8 |
| 2018 | 7 | 9 |
| 2019 | 10 | 9 |
| 2020 | 6 | 6 |
| 2021 | 3 | 6 |
| 2022 | 4 | 9 |
| 2023 | 11 | 5 |
| 2024 | 2 | 9 |
| 2025 | 2 | 3 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal processing apparatus with a heating device operated with hydrogen, sustainable cremation, free of CO215 Sep 2026US 12,736,220 B2Albert Hesse Familienstiftung
- Method for clean and low-carbon in-situ disposal of waste incineration fly ash14 Jul 2026US 12,678,726 B2Zhejiang University
- Industrial solid waste incinerator and flue gas treatment apparatus28 Apr 2026US 12,613,032 B2Zhejiang Weiming Environment Protection Co., Ltd.
- Methods for regenerating a filter medium and cleaning flue gas7 Apr 2026US 12,594,519 B2W. L. Gore & Associates, Inc.
- Mercury, dioxin, and furan removal system and method for reducing GAC fires on new high temperature municipal sludge incinerators17 Feb 2026US 12,553,605 B2
- Honeycomb structure20 Aug 2026US 2026/0241375 A1NGK Insulators, Ltd.
- Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles2 Jul 2026US 2026/0183699 A1Graymont (PA) Inc.
- Apparatus for removing dust emitted from melting furnace25 Jun 2026US 2026/0177320 A1Korea Hydro & Nuclear Power Co., Ltd.
- Exhaust gas treatment system, power generation facility comprising same, and exhaust gas treatment method2 Oct 2025US 2025/0303358 A1Mitsubishi Heavy Industries, Ltd.
- Modular pressurized coal combustion plant (mccp) for flexible generation26 Jun 2025US 2025/0207772 A1Washington University
Most cited
By later US patents
- Flue gas control system of coal combustion boiler and operating method thereof122US 8,071,060 B2Mitsubishi Heavy Industries, Ltd. · 2011
- Intermittent mixer with low pressure drop102US 6,946,011 B2The Babcock & Wilcox Company · 2005
- Reducing mercury emissions from the burning of coal97US 7,776,301 B2NOx II, Ltd. · 2010
- Method of desulfurizing flue gases of coal firings87US 4,519,995 AOsterreichische Draukraftwerke Aktiengesellschaft · 1985
- Barrier discharge conversion of Hg, SO.sub.2 and NOx79US 6,117,403 AZero Emissions Technology Inc. · 2000