F02C 7/232
Fuel valves
Official title: Fuel valves {(control of fuel supply by means of fuel metering valves F02C9/263)}; Draining valves or systems (valves in general F16K)
F02C7/232 (Fuel valves) appears on 837 US grants and 904 published applications in this corpus.
Search patents in F02C- Granted patents
- 837
- Published applications
- 904
- Assignees
- 150
- Inventors
- 1,507
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 6 |
| 2002 | 15 | 14 |
| 2003 | 11 | 10 |
| 2004 | 8 | 7 |
| 2005 | 6 | 18 |
| 2006 | 8 | 10 |
| 2007 | 9 | 11 |
| 2008 | 6 | 14 |
| 2009 | 11 | 21 |
| 2010 | 12 | 19 |
| 2011 | 12 | 20 |
| 2012 | 18 | 26 |
| 2013 | 19 | 32 |
| 2014 | 17 | 45 |
| 2015 | 31 | 34 |
| 2016 | 47 | 55 |
| 2017 | 24 | 68 |
| 2018 | 41 | 65 |
| 2019 | 50 | 34 |
| 2020 | 44 | 55 |
| 2021 | 55 | 52 |
| 2022 | 53 | 48 |
| 2023 | 56 | 61 |
| 2024 | 72 | 61 |
| 2025 | 74 | 69 |
| 2026 | 27 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and apparatus for a cryogenic fuel distribution system using a bypass29 Sep 2026US 12,747,706 B2GE Avio S. r. l.
- Recirculation of fuel22 Sep 2026US 12,742,418 B2ROLLS-ROYCE plc
- Leakage gas emission system15 Sep 2026US 12,736,223 B2Mitsubishi Heavy Industries, Ltd.
- Gas turbine engine8 Sep 2026US 12,729,644 B2ROLLS-ROYCE plc
- Method for detecting malfunctioning of a fuel return valve in an aircraft25 Aug 2026US 12,716,811 B2Airbus Operations GmbH
- Gas turbine operation method and gas turbine equipment capable of executing same8 Oct 2026US 2026/0309099 A1Mitsubishi Heavy Industries, Ltd.
- Cryogenic fuel distribution systems including heat exchangers and related methods24 Sep 2026US 2026/0286892 A1GE Avio S. r. l.
- Method for supplying fuel to at least one gas turbine combustion chamber and associated fuel supply system24 Sep 2026US 2026/0286905 A1GE Vernova Infrastructure Technology LLC
- Hydrogen aircraft17 Sep 2026US 2026/0274432 A1Kawasaki Jukogyo Kabushiki Kaisha
- Turbine Engine Cooled Air Supply17 Sep 2026US 2026/0275915 A1Rtx Corporation
Most cited
By later US patents
- Methods and apparatus for a combustion turbine nitrogen purge system171US 7,730,711 B2General Electric Company · 2010
- Systems and methods utilizing turbine compressor discharge for hydrostatic manifold purge102US 10,968,837 B1BJ Energy Solutions, LLC · 2021
- Aircraft engine fuel system87US 5,809,771 AWoodward Governor Company · 1998
- Methods and systems for supplying fuel to gas turbine engines84US 11,015,536 B2BJ Energy Solutions, LLC · 2021
- Combustion method74US 6,675,583 B2Capstone Turbine Corporation · 2004