F02C 7/222
Fuel flow conduits
Official title: {Fuel flow conduits, e.g. manifolds}
F02C7/222 (Fuel flow conduits) appears on 790 US grants and 952 published applications in this corpus.
Search patents in F02C- Granted patents
- 790
- Published applications
- 952
- Assignees
- 134
- Inventors
- 1,515
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 4 |
| 2005 | 2 | 8 |
| 2006 | 3 | 11 |
| 2007 | 7 | 14 |
| 2008 | 4 | 17 |
| 2009 | 13 | 28 |
| 2010 | 18 | 17 |
| 2011 | 16 | 19 |
| 2012 | 12 | 12 |
| 2013 | 25 | 30 |
| 2014 | 10 | 33 |
| 2015 | 20 | 45 |
| 2016 | 24 | 93 |
| 2017 | 33 | 110 |
| 2018 | 61 | 79 |
| 2019 | 88 | 59 |
| 2020 | 76 | 59 |
| 2021 | 60 | 59 |
| 2022 | 63 | 57 |
| 2023 | 59 | 67 |
| 2024 | 70 | 59 |
| 2025 | 51 | 39 |
| 2026 | 23 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Dome combustor with air blast22 Sep 2026US 12,742,551 B1Rtx Corporation
- Systems and methods for filling a fuel manifold of a gas turbine engine15 Sep 2026US 12,736,013 B2Pratt & Whitney Canada Corp.
- Combustor head end section with air supply system for bundled tube fuel nozzle contained therein15 Sep 2026US 12,736,222 B2GE Vernova Infrastructure Technology LLC
- Gas turbine engine1 Sep 2026US 12,723,547 B2Kawasaki Jukogyo Kabushiki Kaisha
- Fuel, communications, and power connection systems and related methods8 Oct 2026US 2026/0309574 A1BJ Energy Solutions, LLC
- Metal-based fuel and fuel delivery systems1 Oct 2026US 2026/0298136 A1Rtx Corporation
- Gas turbine arrangement with ammonia cracker and power plant with such and method to operate a gas turbine arrangement24 Sep 2026US 2026/0286897 A1Siemens Energy Global GmbH & Co. KG
- Integrated scoop fuel injection17 Sep 2026US 2026/0276198 A1Rtx Corporation
- Ratio unit based system for filling a fuel manifold of a gas turbine engine10 Sep 2026US 2026/0266228 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- System for temperature and actuation control and method of controlling fluid temperatures in an aircraft171US 9,656,762 B2General Electric Company · 2017
- Fuel, communications, and power connection systems107US 11,268,346 B2BJ Energy Solutions, LLC · 2022
- Systems and methods utilizing turbine compressor discharge for hydrostatic manifold purge102US 10,968,837 B1BJ Energy Solutions, LLC · 2021
- Combustor with two stage primary fuel tube with concentric members and flow regulating94US 5,983,642 ASiemens Westinghouse Power Corporation · 1999
- Gas turbine fuel system93US 4,467,610 AGeneral Electric Company · 1984