F02C 7/224
Heating fuel before feeding to the burner
F02C7/224 (Heating fuel before feeding to the burner) appears on 850 US grants and 1,044 published applications in this corpus.
Search patents in F02C- Granted patents
- 850
- Published applications
- 1,044
- Assignees
- 201
- Inventors
- 1,535
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 3 |
| 2002 | 12 | 5 |
| 2003 | 5 | 7 |
| 2004 | 4 | 9 |
| 2005 | 9 | 12 |
| 2006 | 10 | 12 |
| 2007 | 5 | 13 |
| 2008 | 6 | 18 |
| 2009 | 9 | 13 |
| 2010 | 8 | 41 |
| 2011 | 21 | 28 |
| 2012 | 16 | 18 |
| 2013 | 27 | 42 |
| 2014 | 24 | 38 |
| 2015 | 16 | 31 |
| 2016 | 24 | 52 |
| 2017 | 29 | 40 |
| 2018 | 30 | 27 |
| 2019 | 34 | 40 |
| 2020 | 30 | 46 |
| 2021 | 44 | 46 |
| 2022 | 46 | 61 |
| 2023 | 66 | 92 |
| 2024 | 97 | 131 |
| 2025 | 129 | 135 |
| 2026 | 62 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Gas turbine engine8 Sep 2026US 12,729,644 B2ROLLS-ROYCE plc
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- Method of operating an aircraft engine and fuel system using multiple fuel types25 Aug 2026US 12,716,387 B2Pratt & Whitney Canada Corp.
- Cryogenic fuel semi-closed recirculating bottoming cycle25 Aug 2026US 12,716,388 B2Rtx Corporation
- Liquid hydrogen pumping system8 Oct 2026US 2026/0309078 A1Eaton Intelligent Power Limited
- Hydrogen supply system for an aircraft engine with a turbo-pump and a low-pressure burner8 Oct 2026US 2026/0309084 A1Airbus Operations GmbH
- Engine system1 Oct 2026US 2026/0298145 A1ROLLS-ROYCE plc
- Cryogenic fuel distribution systems including heat exchangers and related methods24 Sep 2026US 2026/0286892 A1GE Avio S. r. l.
- Thermal management system for an engine24 Sep 2026US 2026/0286896 A1General Electric Company
Most cited
By later US patents
- Membrane based fuel deoxygenator394US 6,315,815 B1United Technologies Corporation · 2001
- Fuel and oil heat management system for a gas turbine engine337US 4,696,156 AUnited Technologies Corporation · 1987
- Planar membrane deoxygenator331US 6,709,492 B1United Technologies Corporation · 2004
- Intercooled turbine blade cooling air feed system324US 5,317,877 AGeneral Electric Company · 1994
- Integrated thermal management and coolant system for an aircraft196US 6,415,595 B1Hamilton Sundstrand Corporation · 2002