F23D 14/825
Using valves
Official title: {using valves}
F23D14/825 (Using valves) appears on 33 US grants and 29 published applications in this corpus.
Search patents in F23D- Granted patents
- 33
- Published applications
- 29
- Assignees
- 29
- Inventors
- 78
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 4 |
| 2019 | 2 | 1 |
| 2020 | 1 | 4 |
| 2021 | 2 | 2 |
| 2022 | 4 | 4 |
| 2023 | 1 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Flame trap25 Nov 2025US 12,478,814 B2Witt GmbH & Co. Holding und Handels-KG
- Methods and systems to detect flameholding in turbine assemblies2 Jul 2024US 12,025,306 B1GE Infrastructure Technology LLC
- Predictive pressure protection system21 May 2024US 11,988,069 B2Saudi Arabian Oil Company
- Control system and method for a burner with a distal flame holder9 Apr 2024US 11,953,201 B2Clearsign Technologies Corporation
- Oxy-fuel welding and cutting system and method of operating the system4 Dec 2025US 2025/0367744 A1Messer Cutting Systems GmbH
- Methods and systems to detect flameholding in turbine assemblies20 Jun 2024US 2024/0200774 A1General Electric Company
- Flame Trap16 Nov 2023US 2023/0364456 A1Witt GmbH & Co. Holding und Handels-KG
- Anti-backflow premixing device and fuel gas water heater31 Aug 2023US 2023/0272907 A1Guangdong Vanward New Electric Co., Ltd
- Anti-back-transfer intake structure for rotating detonation combustion chamber29 Dec 2022US 2022/0412291 A1Pla Air Force Engineering Universit
Most cited
By later US patents
- Method and apparatus for flaring combustible waste gases17US 4,025,281 AWestech Industrial Ltd. · 1977
- Gas pressure reducing regulator and adapter13US 4,516,595 AUnion Carbide Corporation · 1985
- Flash arrester11US 4,246,002 A1981
- Gas flame torch system with flash arresters11US 4,361,420 A1982
- Refractory flame-gunning apparatus11US 4,678,120 ANippon Steel Corporation · 1987