F23C 2202/20
Premixing fluegas with fuel
F23C2202/20 (Premixing fluegas with fuel) appears on 73 US grants and 73 published applications in this corpus.
Search patents in F23C- Granted patents
- 73
- Published applications
- 73
- Assignees
- 60
- Inventors
- 194
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 3 |
| 2003 | 2 | 0 |
| 2004 | 5 | 4 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 5 |
| 2009 | 1 | 0 |
| 2010 | 2 | 4 |
| 2011 | 2 | 2 |
| 2012 | 2 | 3 |
| 2013 | 2 | 3 |
| 2014 | 1 | 4 |
| 2015 | 3 | 4 |
| 2016 | 1 | 5 |
| 2017 | 2 | 5 |
| 2018 | 6 | 2 |
| 2019 | 5 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 6 |
| 2023 | 4 | 5 |
| 2024 | 1 | 3 |
| 2025 | 4 | 4 |
| 2026 | 1 | 1 |
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
- Method and device to reduce emissions of nitrogen oxides and increase heat transfer in fired process heaters21 Oct 2025US 12,449,124 B2XRG Technologies, LLC
- Cylindrical burner apparatus and method15 Jul 2025US 12,359,803 B2Gastech Engineering LLC
- Combustible ice efficient combustion system20 May 2025US 12,305,852 B2Guangdong University of Technology
- Enhancement of thermochemical regeneration operation21 Jan 2025US 12,203,705 B2Praxair Technology, Inc.
- Method for reducing nitrogen oxide emission and combustion system16 Jul 2026US 2026/0202054 A1China Petroleum & Chemical Corporation
- Process and apparatus for combusting hydrogen and recycling combustion products25 Sep 2025US 2025/0297774 A1
- Fuel blending in thermochemical heat exchange methods27 Mar 2025US 2025/0102228 A1Praxair Technology, Inc.
- Reaction chamber for a feedstock reactor20 Mar 2025US 2025/0091028 A1Ekona Power Inc.
- Burner and Method for Forming a Flame in a Furnace by a Burner30 Jan 2025US 2025/0035305 A1Oilon Technology Oy
Most cited
By later US patents
- 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
- Recuperative burner with exhaust gas recirculation means118US 4,445,842 AThermal Systems Engineering, Inc. · 1984
- Methods and apparatus for burning fuel with low No.sub.x formation105US 5,344,307 AKoch Engineering Company, Inc. · 1994
- Flue gas recirculation system101US 4,995,807 ABryan Steam Corporation · 1991