F23J 2219/10
Catalytic reduction devices
F23J2219/10 (Catalytic reduction devices) appears on 253 US grants and 253 published applications in this corpus.
Search patents in F23J- Granted patents
- 253
- Published applications
- 253
- Assignees
- 188
- Inventors
- 674
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 2 |
| 2002 | 5 | 7 |
| 2003 | 5 | 7 |
| 2004 | 3 | 6 |
| 2005 | 5 | 5 |
| 2006 | 4 | 8 |
| 2007 | 3 | 2 |
| 2008 | 2 | 14 |
| 2009 | 14 | 17 |
| 2010 | 6 | 10 |
| 2011 | 16 | 18 |
| 2012 | 8 | 19 |
| 2013 | 12 | 12 |
| 2014 | 12 | 20 |
| 2015 | 12 | 19 |
| 2016 | 12 | 12 |
| 2017 | 14 | 15 |
| 2018 | 13 | 13 |
| 2019 | 13 | 6 |
| 2020 | 5 | 5 |
| 2021 | 6 | 6 |
| 2022 | 4 | 6 |
| 2023 | 8 | 7 |
| 2024 | 2 | 7 |
| 2025 | 1 | 8 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Selective catalytic reduction catalyst module support system and installation method15 Sep 2026US 12,736,221 B2Lummus Technology Inc.
- 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.
- Method of attaching/detaching catalytic unit and catalytic reactor14 Jan 2025US 12,194,413 B2Mitsubishi Heavy Industries, Ltd.
- Integrated comprehensive adjustment method for pulverized coal boiler based on prevention and control of high-temperature corrosion of water wall24 Sep 2024US 12,098,844 B2Suzhou Tpri Ener & Enviro Tech Co., Ltd.
- Honeycomb structure20 Aug 2026US 2026/0241375 A1NGK Insulators, Ltd.
- Avoiding of emissions in the production of artificial pozzolans made of mineral material, in particular clays9 Apr 2026US 2026/0097990 A1thyssenkrupp AG
- Gas processing apparatus using catalyst30 Oct 2025US 2025/0332542 A1Ennopia
- Exhaust gas treatment system, power generation facility comprising same, and exhaust gas treatment method2 Oct 2025US 2025/0303358 A1Mitsubishi Heavy Industries, Ltd.
- Scr reactor system, scr reactor assembly, scr reactor apparatus, and mixing device, and methods of using and assembling each of the same2 Oct 2025US 2025/0303362 A1Umicore AG & Co. KG
Most cited
By later US patents
- Reduced emission combustion process with resource conservation and recovery options "ZEROS" zero-emission energy recycling oxidation system97US 5,906,806 A1999
- Reactor system for reducing NOx emissions from boilers80US 7,943,097 B2Catalytic Solutions, Inc. · 2011
- Control of NOx reduction in flue gas flows61US 5,233,934 AWahlco Environmental Systems, Inc. · 1993
- Technical and economic optimization of combustion, nitrogen oxides, sulfur dioxide, mercury, carbon dioxide, coal ash and slag and coal slurry use in coal fired furnaces/boilers56US 7,553,463 B22009
- Mercury sorbent delivery system for flue gas52US 7,494,632 B1The United State of America as represented by the United States Department of Energy · 2009