F05D 2270/07
To improve fuel economy
Official title: to improve fuel economy
F05D2270/07 (To improve fuel economy) appears on 130 US grants and 146 published applications in this corpus.
Search patents in F05D- Granted patents
- 130
- Published applications
- 146
- Assignees
- 52
- Inventors
- 284
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 4 |
| 2006 | 1 | 0 |
| 2007 | 3 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 2 | 3 |
| 2012 | 6 | 5 |
| 2013 | 2 | 4 |
| 2014 | 2 | 2 |
| 2015 | 5 | 10 |
| 2016 | 3 | 8 |
| 2017 | 4 | 11 |
| 2018 | 5 | 7 |
| 2019 | 12 | 8 |
| 2020 | 10 | 14 |
| 2021 | 10 | 12 |
| 2022 | 12 | 10 |
| 2023 | 14 | 15 |
| 2024 | 12 | 9 |
| 2025 | 9 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hybrid-electric propulsion system equipped with a coupler for switching between modes of operation23 Jun 2026US 12,662,979 B2General Electric Company
- Hybrid-electric propulsion system equipped with a coupler for switching between modes of operation5 May 2026US 12,618,385 B2General Electric Company
- Hybrid-electric propulsion system equipped with a coupler for switching between modes of operation30 Dec 2025US 12,510,020 B2General Electric Company
- Fuel oxygen reduction unit for prescribed operating conditions30 Dec 2025US 12,510,021 B2General Electric Company
- Propulsion system control23 Dec 2025US 12,503,983 B2ROLLS-ROYCE plc
- Hybrid-electric propulsion system equipped with a coupler for switching between modes of operation17 Sep 2026US 2026/0275941 A1General Electric Company
- Active tip clearance control system for aircraft engine27 Aug 2026US 2026/0251072 A1Pratt & Whitney Canada Corp.
- Method and system for assisting with the piloting of a rotary wing aircraft in a fuel economy mode30 Jul 2026US 2026/0217376 A1Safran Helicopter Engines
- Method for assisting the piloting of a rotary wing aircraft in a fuel-economy mode30 Apr 2026US 2026/0116562 A1Safran Helicopter Engines
- Fuel Systems for Aircraft Engines26 Mar 2026US 2026/0085636 A1General Electric Company
Most cited
By later US patents
- Gas turbine engine in-board cooled cooling air system61US 9,243,563 B2Honeywell International Inc. · 2016
- Method and apparatus for the engine control of output shaft speed35US 6,748,744 B2Pratt & Whitney Canada Corp. · 2004
- Gas turbine control method and apparatus33US 5,584,171 AHitachi, Ltd. · 1996
- Automatic turbine engine bleed valve control for enhanced fuel management32US 5,313,778 AUnited Technologies Corporation · 1994
- Active fuel thermal conditioning for aircraft31US 10,752,374 B1Northrop Grumman Systems Corporation · 2020