F23D 17/005
Gaseous or pulverulent fuel
Official title: {gaseous or pulverulent fuel}
F23D17/005 (Gaseous or pulverulent fuel) appears on 47 US grants and 32 published applications in this corpus.
Search patents in F23D- Granted patents
- 47
- Published applications
- 32
- Assignees
- 51
- Inventors
- 132
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 0 |
| 2021 | 2 | 2 |
| 2022 | 0 | 1 |
| 2023 | 2 | 4 |
| 2024 | 0 | 2 |
| 2025 | 4 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustion device and boiler14 Jul 2026US 12,680,692 B2IHI Corporation
- Metal-based fuel and fuel delivery systems7 Jul 2026US 12,674,412 B2Rtx Corporation
- Partial oxidation reactor with warm-up burner for production of synthesis gas4 Nov 2025US 12,459,812 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Burner with a moveable air flow diverter30 Sep 2025US 12,429,215 B2Messer Industries USA, Inc.
- Combustion device and boiler17 Jun 2025US 12,331,926 B2IHI Corporation
- Metal-based fuel and fuel delivery systems1 Oct 2026US 2026/0298136 A1Rtx Corporation
- Ammonia preheating flow-controllable low-nitrogen ammonia-coal co-firing burner25 Jun 2026US 2026/0177236 A1China Datang Corporation Science and Technology General Research Institute
- Combustion method using fuel combustion device, cement manufacturing method, and cement firing facility30 Apr 2026US 2026/0117967 A1Sumitomo Osaka Cement Co., Ltd.
- Burner, furnace and method of generating a flame18 Dec 2025US 2025/0383079 A1Messer Industries USA, Inc.
- Burner and combustion furnace13 Feb 2025US 2025/0052419 A1Kawasaki Jukogyo Kabushiki Kaisha
Most cited
By later US patents
- Apparatus for electric steelmaking43US 5,714,113 AAmerican Combustion, Inc. · 1998
- Method and apparatus of gas-coal combustion in steam boilers36US 4,597,342 AUniversity of Florida · 1986
- Method for electric steelmaking31US 5,599,375 AAmerican Combustion, Inc. · 1997
- Low NO.sub.x short flame burner with control of primary air/fuel ratio for NO.sub.x reduction26US 5,697,306 AThe Babcock & Wilcox Company · 1997
- Method for producing a metal melt and corresponding multifunction lance26US 6,558,614 B1Voest-Alpine Industrieanlagenbau GmbH · 2003