F23C 2201/30
Staged fuel supply
F23C2201/30 (Staged fuel supply) appears on 152 US grants and 91 published applications in this corpus.
Search patents in F23C- Granted patents
- 152
- Published applications
- 91
- Assignees
- 107
- Inventors
- 393
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 1 |
| 2003 | 1 | 3 |
| 2004 | 4 | 5 |
| 2005 | 2 | 4 |
| 2006 | 2 | 2 |
| 2007 | 2 | 2 |
| 2008 | 2 | 3 |
| 2009 | 2 | 3 |
| 2010 | 1 | 2 |
| 2011 | 3 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 3 |
| 2015 | 3 | 2 |
| 2016 | 1 | 4 |
| 2017 | 3 | 8 |
| 2018 | 3 | 3 |
| 2019 | 3 | 7 |
| 2020 | 4 | 7 |
| 2021 | 4 | 4 |
| 2022 | 6 | 4 |
| 2023 | 2 | 4 |
| 2024 | 5 | 7 |
| 2025 | 2 | 4 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flameless combustion burner for an endothermic reaction process9 Jun 2026US 12,649,135 B2Technip Energies France
- 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.
- Burner apparatus5 May 2026US 12,618,557 B2Honeywell International Inc.
- Multi-tube burner system for efficient mixing of fuel and air for combustion31 Mar 2026US 12,590,698 B2Sustainable Business & Engineering Solutions GmbH
- Burner and method for transient heating6 Jan 2026US 12,516,809 B2Air Products and Chemicals, Inc.
- Burner apparatus20 Aug 2026US 2026/0243419 A1Honeywell International Inc.
- Burner apparatus26 Mar 2026US 2026/0085833 A1Honeywell International Inc.
- Systems and methods for flameless combustion27 Nov 2025US 2025/0362014 A1Fives North American Combustion, Inc.
- Compact low emissions burner nozzle using additive manufacturing15 May 2025US 2025/0155121 A1Honeywell International Inc.
- Dual-Fuel Burner and Method of Operation20 Feb 2025US 2025/0060098 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Staged combustion of a low heating value fuel gas for driving a gas turbine166US 6,201,029 B1Marathon Oil Company · 2001
- Low NO.sub.x formation burner apparatus and methods152US 5,195,884 AJohn Zink Company, a Division of Koch Engineering Company, Inc. · 1993
- 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