F23C 5/10
To obtain a flame ring
Official title: {to obtain a flame ring}
F23C5/10 (To obtain a flame ring) appears on 16 US grants and 17 published applications in this corpus.
Search patents in F23C- Granted patents
- 16
- Published applications
- 17
- Assignees
- 17
- Inventors
- 75
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 2 |
| 2019 | 1 | 3 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pulverized coal boiler with bottom combustor, and control method therefor26 May 2026US 12,638,172 B2Institute of Engineering Thermophysics, Chinese Acadamy of Sciences
- System and method for operating a combustion chamber4 Apr 2023US 11,619,384 B2General Electric Technology GmbH
- Supercritical CO2 boiler capable of realizing uniform combustion, corrosion resistance and coking resistance, and boiler system8 Nov 2022US 11,493,202 B2Huazhong University of Science and Technology
- Furnace with integrated heat recovery utilizing radiative recuperator for preheating combustion reactants using heat from flue gas22 Mar 2022US 11,280,491 B2American Air Liquide, Inc.
- Combustion burner and boiler17 Mar 2020US 10,591,154 B2Mitsubishi Hitachi Power Systems, Ltd.
- Combined combustion burner and combustion apparatus including same14 Nov 2024US 2024/0377061 A1
- Reactor System for Producing and/or Treating Particles in an Oscillating Process Gas Flow21 Sep 2023US 2023/0294067 A1Glatt Ingenieurtechnik GmbH
- Pulverized coal boiler with bottom combustor, and control method therefor26 Jan 2023US 2023/0022074 A1Institute of Engineering Thermophysics, Chinese Acadamy of Sciences
- Supercritical co2 boiler capable of realizing uniform combustion, corrosion resistance and coking resistance, and boiler system24 Mar 2022US 2022/0090782 A1Huazhong University of Science and Technology
- Furnace with integrated heat recovery utilizing radiative recuperator for preheating combustion reactants using heat from flue gas5 Dec 2019US 2019/0368728 A1American Air Liquide, Inc.
Most cited
By later US patents
- Fluid manifold47US 6,240,732 B1ROLLS-ROYCE plc · 2001
- Catalytic reactor with improved burner20US 4,292,274 AUnited Technologies Corporation · 1981
- Method of operating a furnace based upon electrostatic precipitator operation9US 6,360,680 B1ESA Environmental Solutions, Inc. · 2002
- Trapped vortex cavity staging in a combustor5US 10,072,846 B2General Electric Company · 2018
- Tangentially-fired furnace having reduced NOx emissions2US 6,145,454 ADuke Energy Corporation · 2000