F23C 2201/301
With different fuels in stages
Official title: with different fuels in stages
F23C2201/301 (With different fuels in stages) appears on 66 US grants and 49 published applications in this corpus.
Search patents in F23C- Granted patents
- 66
- Published applications
- 49
- Assignees
- 57
- Inventors
- 209
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 2 | 2 |
| 2016 | 1 | 4 |
| 2017 | 2 | 5 |
| 2018 | 3 | 3 |
| 2019 | 3 | 5 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 4 | 3 |
| 2023 | 1 | 4 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flameless combustion burner for an endothermic reaction process9 Jun 2026US 12,649,135 B2Technip Energies France
- Apparatus and method for drying material and asphalt mixing facility having such an apparatus18 Nov 2025US 12,474,118 B2Benninghoven Zweigniederlassung Der Wirtgen Mineral Technologies GmbH
- Reverse-jet swirl pulverized coal burner with multi-stage recirculations15 Oct 2024US 12,117,168 B2Tsinghua University
- Active and passive combustion stabilization for burners for highly and rapidly varying fuel gas compositions27 Aug 2024US 12,072,097 B2Honeywell International Inc.
- Adjustable fuel injector for flame dynamics control23 Jul 2024US 12,044,174 B2King Abdullah University of Science and Technology
- Dual-Fuel Burner and Method of Operation20 Feb 2025US 2025/0060098 A1Air Products and Chemicals, Inc.
- Heater with remote combustion air addition23 Jan 2025US 2025/0027643 A1Lummus Technology Inc.
- Combined combustion burner and combustion apparatus including same14 Nov 2024US 2024/0377061 A1
- Dark radiator19 Sep 2024US 2024/0310038 A1Schwank GmbH
- Melting/refining furnace for cold iron sources, and melting/refining furnace operation method2 Nov 2023US 2023/0349016 A1Taiyo Nippon Sanso Corporation
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
- Combusting a hydrocarbon gas to produce a reformed gas57US 5,861,441 AMarathon Oil Company · 1999
- Process and apparatus utilizing a pulse combustor for atomizing liquids and slurries46US 5,205,728 AManufacturing and Technology Conversion International, Inc. · 1993
- Reduction of nitrogen oxides by staged combustion in combustors, furnaces and boilers42US 6,453,830 B12002
- Hydrocarbon gas conversion system and process for producing a synthetic hydrocarbon liquid41US 5,733,941 AMarathon Oil Company · 1998