F23D 17/00
Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent
Official title: Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent fuel
F23D17/00 (Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent) appears on 585 US grants and 322 published applications in this corpus.
Search patents in F23D- Granted patents
- 585
- Published applications
- 322
- Assignees
- 271
- Inventors
- 1,140
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 9 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 9 | 0 |
| 1983 | 7 | 0 |
| 1984 | 12 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 15 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 17 | 0 |
| 1994 | 15 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 13 | 0 |
| 1998 | 33 | 0 |
| 1999 | 31 | 0 |
| 2000 | 22 | 0 |
| 2001 | 20 | 12 |
| 2002 | 15 | 5 |
| 2003 | 11 | 9 |
| 2004 | 13 | 13 |
| 2005 | 11 | 15 |
| 2006 | 8 | 11 |
| 2007 | 5 | 15 |
| 2008 | 6 | 16 |
| 2009 | 5 | 16 |
| 2010 | 9 | 17 |
| 2011 | 19 | 9 |
| 2012 | 12 | 14 |
| 2013 | 10 | 14 |
| 2014 | 5 | 16 |
| 2015 | 15 | 12 |
| 2016 | 19 | 18 |
| 2017 | 8 | 20 |
| 2018 | 16 | 12 |
| 2019 | 12 | 11 |
| 2020 | 19 | 3 |
| 2021 | 7 | 7 |
| 2022 | 3 | 3 |
| 2023 | 8 | 15 |
| 2024 | 4 | 15 |
| 2025 | 7 | 15 |
| 2026 | 13 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dual fuel valve8 Sep 2026US 12,729,851 B2GDA Valve Technology Co., Ltd.
- Arrangement handling purged alcohol-based fuel and a method thereof8 Sep 2026US 12,729,853 B2Alfa Laval Corporate AB
- Burner for fuel combustion and combustion method therefor1 Sep 2026US 12,723,753 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for regulating a flame length in a partial oxidation reactor11 Aug 2026US 12,704,258 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Combustion device and boiler14 Jul 2026US 12,680,692 B2IHI Corporation
- Metal-based fuel and fuel delivery systems1 Oct 2026US 2026/0298136 A1Rtx Corporation
- Dual fuel valve17 Sep 2026US 2026/0276192 A1GDA Valve Technology Co., Ltd.
- Burner16 Jul 2026US 2026/0202052 A1Taiheiyo Engineering Inc.
- 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.
Most cited
By later US patents
- Method and apparatus to increase combustion efficiency and to reduce exhaust gas pollutants from combustion of a fuel158US 6,851,413 B1Ronnell Company, Inc. · 2005
- Dual fuel ultra-low NOX combustor144US 5,359,847 AWestinghouse Electric Corp. · 1994
- Dual fuel mixer for gas turbine combustor141US 5,351,477 AGeneral Electric Company · 1994
- Staged prevaporizer-premixer115US 6,174,160 B1University of Washington · 2001
- Dry low NOx single stage dual mode combustor construction for a gas turbine113US 5,259,184 AGeneral Electric Company · 1993