F23K 5/002
Gaseous fuel
Official title: {Gaseous fuel}
F23K5/002 (Gaseous fuel) appears on 311 US grants and 393 published applications in this corpus.
Search patents in F23K- Granted patents
- 311
- Published applications
- 393
- Assignees
- 239
- Inventors
- 790
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 3 |
| 2002 | 10 | 10 |
| 2003 | 5 | 3 |
| 2004 | 6 | 13 |
| 2005 | 7 | 6 |
| 2006 | 5 | 5 |
| 2007 | 2 | 8 |
| 2008 | 5 | 11 |
| 2009 | 1 | 10 |
| 2010 | 7 | 23 |
| 2011 | 5 | 17 |
| 2012 | 12 | 21 |
| 2013 | 16 | 18 |
| 2014 | 13 | 27 |
| 2015 | 14 | 14 |
| 2016 | 20 | 25 |
| 2017 | 13 | 11 |
| 2018 | 11 | 20 |
| 2019 | 14 | 12 |
| 2020 | 17 | 21 |
| 2021 | 13 | 13 |
| 2022 | 15 | 21 |
| 2023 | 12 | 21 |
| 2024 | 16 | 16 |
| 2025 | 9 | 25 |
| 2026 | 13 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Space efficient gas valves for grills15 Sep 2026US 12,733,772 B2
- Bi-stable valve25 Aug 2026US 12,716,507 B2Honeywell International Inc.
- Systems and methods for operation of a flexible fuel combustor25 Aug 2026US 12,716,589 B28 Rivers Capital, LLC
- Flaring optimization responsive to wind conditions28 Jul 2026US 12,693,011 B2Schlumberger Technology Corporation
- Hydrogen supply system14 Jul 2026US 12,680,651 B2Toyota Jidosha Kabushiki Kaisha
- Valve Assembly for a Gas Burner24 Sep 2026US 2026/0287172 A1Copreci, S. Coop.
- Apparatus and Methods for Efficient Conversion of Heat to Electricity via Emission of Characteristic Radiation10 Sep 2026US 2026/0269769 A1LightCell Inc.
- Plant and method for operating plant27 Aug 2026US 2026/0251301 A1Mitsubishi Heavy Industries, Ltd.
- Remaining gas amount management system27 Aug 2026US 2026/0251490 A1Panasonic Intellectual Property Management Co., Ltd.
- Gaseous fuel mixers23 Jul 2026US 2026/0210544 A1United States Gypsum Company
Most cited
By later US patents
- Fuel-conditioning skid147US 7,442,239 B2Ingersoll-Rand Energy Systems Corporation · 2008
- Method of maintaining a fuel Wobbe index in an IGCC installation93US 7,690,204 B2Praxair Technology, Inc. · 2010
- Solenoid valve75US 7,347,221 B2Karl Dungs GmbH & Co. KG · 2008
- Dual fuel boiler65US 6,904,873 B1Rheem Manufacturing Company · 2005
- Fuel control mechanism and associated method of use65US 6,938,634 B2Robertshaw Controls Company · 2005