F23K 5/147
Valves
Official title: {Valves}
F23K5/147 (Valves) appears on 117 US grants and 101 published applications in this corpus.
Search patents in F23K- Granted patents
- 117
- Published applications
- 101
- Assignees
- 61
- Inventors
- 218
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 3 |
| 2003 | 3 | 3 |
| 2004 | 3 | 3 |
| 2005 | 3 | 3 |
| 2006 | 3 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 6 |
| 2009 | 1 | 0 |
| 2010 | 1 | 4 |
| 2011 | 2 | 2 |
| 2012 | 5 | 6 |
| 2013 | 3 | 5 |
| 2014 | 2 | 3 |
| 2015 | 2 | 8 |
| 2016 | 8 | 4 |
| 2017 | 7 | 10 |
| 2018 | 8 | 11 |
| 2019 | 6 | 5 |
| 2020 | 4 | 4 |
| 2021 | 9 | 4 |
| 2022 | 4 | 4 |
| 2023 | 3 | 3 |
| 2024 | 5 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel tank monitoring systems and methods10 Feb 2026US 12,546,471 B2Fivovos, LLC
- Manifold select metering system7 Jan 2025US 12,188,419 B1Woodward, Inc.
- Fuel nozzle valve seals for high temperature29 Oct 2024US 12,129,800 B2General Electric Company
- Variable restriction of fuel nozzle with an auxiliary circuit30 Apr 2024US 11,970,976 B2Hamilton Sundstrand Corporation
- Variable restriction of a secondary circuit of a fuel injector30 Apr 2024US 11,970,977 B2Hamilton Sundstrand Corporation
- Fuel Tank Monitoring Systems and Methods18 Jun 2026US 2026/0168669 A1Fivovos, LLC
- Fuel nozzle valve seals for high temperature16 Jan 2025US 2025/0020082 A1General Electric Company
- An improved conical element for gas passage in multi-stage gas taps2 Jan 2025US 2025/0003506 A1Turas Gaz ArmatüRleri San. Ve Tic. A.S.
- Fuel Tank Monitoring Systems and Methods4 Apr 2024US 2024/0110701 A1Fivovos, LLC
- Variable restriction of fuel nozzle with an auxiliary circuit29 Feb 2024US 2024/0068401 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Burner block valve assembly61US 4,021,190 ARockwell International Corporation · 1977
- Valve assemblies for heating devices51US 8,011,920 B22011
- Valve arrangement with at least two diaphragms50US 4,703,773 ADanfoss A/S · 1987
- Liquid fuel and water injection purge systems and method for a gas turbine having a three-way purge valve47US 6,438,963 B1General Electric Company · 2002
- Fuel injection device having heater45US 6,561,168 B2Denso Corporation · 2003