F23J 2219/20
Non-catalytic reduction devices
F23J2219/20 (Non-catalytic reduction devices) appears on 92 US grants and 77 published applications in this corpus.
Search patents in F23J- Granted patents
- 92
- Published applications
- 77
- Assignees
- 72
- Inventors
- 260
- Latest grant
- 24 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 5 |
| 2009 | 1 | 5 |
| 2010 | 1 | 5 |
| 2011 | 5 | 8 |
| 2012 | 3 | 3 |
| 2013 | 3 | 4 |
| 2014 | 12 | 10 |
| 2015 | 1 | 7 |
| 2016 | 3 | 3 |
| 2017 | 5 | 2 |
| 2018 | 5 | 7 |
| 2019 | 2 | 1 |
| 2020 | 6 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 1 |
| 2023 | 1 | 3 |
| 2024 | 3 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- 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.
- Method for reducing nitrogen oxides in strip heat treatment furnaces23 Jul 2024US 12,044,402 B2Andritz Technology and Asset Management GmbH
- High protein organic materials as fuel and processes for making the same9 Jan 2024US 11,866,669 B2Akbev Group, LLC
- Method and system for treating emissions using a transient pulsed plasma18 Apr 2023US 11,629,860 B2Transient Plasma Systems, Inc.
- Smoke removal device11 Oct 2022US 11,466,851 B2Grand Mate Co., Ltd.
- Flue gas conditioning19 Dec 2024US 2024/0416279 A1
- Flue gas conditioning19 Dec 2024US 2024/0416281 A1
- Flue gas conditioning19 Dec 2024US 2024/0416282 A1
- Integrated comprehensive adjustment method for pulverized coal boiler based on prevention and control of high-temperature corrosion of water wall17 Aug 2023US 2023/0258328 A1Suzhou Tpri Ener & Enviro Tech Co., Ltd.
- Device for heating and/or cooking food25 May 2023US 2023/0160580 A1Reamotion GmbH
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
- Method for reducing NOX in combustion flue gas using metal-containing additives73US 6,206,685 B1GE Energy & Environmental Research Corporation · 2001
- Control of NOx reduction in flue gas flows61US 5,233,934 AWahlco Environmental Systems, Inc. · 1993
- Apparatus and method of reducing nitrogen oxide emissions60US 4,779,545 AConsolidated Natural Gas Service Company, Inc. · 1988
- Method of reducing NOx in a combustion flue gas57US 6,280,695 B1GE Energy & Environmental Research Corporation · 2001