F23C 2202/30
Premixing fluegas with combustion air
F23C2202/30 (Premixing fluegas with combustion air) appears on 135 US grants and 136 published applications in this corpus.
Search patents in F23C- Granted patents
- 135
- Published applications
- 136
- Assignees
- 101
- Inventors
- 356
- Latest grant
- 25 Aug 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 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 3 |
| 2003 | 5 | 3 |
| 2004 | 4 | 5 |
| 2005 | 5 | 6 |
| 2006 | 2 | 5 |
| 2007 | 3 | 4 |
| 2008 | 2 | 5 |
| 2009 | 2 | 6 |
| 2010 | 3 | 6 |
| 2011 | 3 | 6 |
| 2012 | 0 | 9 |
| 2013 | 7 | 7 |
| 2014 | 3 | 11 |
| 2015 | 3 | 6 |
| 2016 | 2 | 6 |
| 2017 | 9 | 6 |
| 2018 | 9 | 5 |
| 2019 | 7 | 3 |
| 2020 | 4 | 2 |
| 2021 | 4 | 1 |
| 2022 | 2 | 5 |
| 2023 | 4 | 5 |
| 2024 | 2 | 9 |
| 2025 | 2 | 5 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process burner with distal flame holder25 Aug 2026US 12,716,582 B2
- Fuel-air mixing and flame stabilization device for a low emission burner with internal flue gas recirculation26 May 2026US 12,638,174 B2Honeywell International Inc.
- Device and method for supplying combustion air and for recirculating exhaust gas for a burner3 Mar 2026US 12,565,991 B2WS Warmeprozesstechnik GmbH
- Low NOx gas burner with cooled flue gas recycle4 Nov 2025US 12,460,814 B2Honeywell International Inc.
- Fuel-fired burner with internal exhaust gas recycle24 Jun 2025US 12,338,992 B2Honeywell International Inc.
- A burner and a process for combusting metal powder3 Sep 2026US 2026/0258942 A1
- Combustion system capable of operating with a recycling of combustion fumes30 Jul 2026US 2026/0218900 A1Carbodown
- Method for reducing nitrogen oxide emission and combustion system16 Jul 2026US 2026/0202054 A1China Petroleum & Chemical Corporation
- Recuperative burner19 Mar 2026US 2026/0078899 A1Kueppers Solutions GmbH
- Low nox gas burner with cooled flue gas recycle5 Feb 2026US 2026/0036297 A1Honeywell International Inc.
Most cited
By later US patents
- Method and apparatus to increase combustion efficiency and to reduce exhaust gas pollutants from combustion of a fuel158US 6,851,413 B1Ronnell Company, Inc. · 2005
- Thermal power plant with sequential combustion and reduced-CO2 emission, and a method for operating a plant of this type129US 7,503,178 B2ALSTOM Technology Ltd · 2009
- Methods and apparatus for burning fuel with low NO.sub.x formation123US 5,098,282 AJohn Zink Company · 1992
- Methods and apparatus for burning fuel with low NO.sub.x formation119US 5,154,596 AJohn Zink Company, a Division of Koch Engineering Company, Inc. · 1992
- Methods and apparatus for burning fuel with low No.sub.x formation105US 5,344,307 AKoch Engineering Company, Inc. · 1994