B64D 37/34
Conditioning fuel
Official title: Conditioning fuel, e.g. heating (during filling B64D37/18)
B64D37/34 (Conditioning fuel) appears on 229 US grants and 316 published applications in this corpus.
Search patents in B64D- Granted patents
- 229
- Published applications
- 316
- Assignees
- 79
- Inventors
- 523
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 11 |
| 2011 | 6 | 5 |
| 2012 | 2 | 8 |
| 2013 | 5 | 9 |
| 2014 | 8 | 3 |
| 2015 | 8 | 13 |
| 2016 | 1 | 19 |
| 2017 | 13 | 16 |
| 2018 | 18 | 13 |
| 2019 | 17 | 20 |
| 2020 | 11 | 24 |
| 2021 | 26 | 12 |
| 2022 | 11 | 25 |
| 2023 | 21 | 29 |
| 2024 | 24 | 37 |
| 2025 | 29 | 34 |
| 2026 | 17 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of operating an aircraft engine and fuel system using multiple fuel types25 Aug 2026US 12,716,387 B2Pratt & Whitney Canada Corp.
- Hybrid drive and fuel vaporizer for UAV and other mobile environments18 Aug 2026US 12,709,419 B2LiquidPiston, Inc.
- Compressed air system for aircraft18 Aug 2026US 12,710,011 B2Pratt & Whitney Canada Corp.
- Hydrogen fuel distribution system with integrated thermal management7 Jul 2026US 12,673,783 B2General Electric Company
- Aircraft fuel system16 Jun 2026US 12,655,798 B2ROLLS-ROYCE plc
- Aircraft exhaust waste heat recovery for icing mitigation1 Oct 2026US 2026/0298141 A1General Electric Company
- Engine system1 Oct 2026US 2026/0298145 A1ROLLS-ROYCE plc
- Assembly for aircraft, comprising a specific architecture for the distribution of fuel composition and electricity24 Sep 2026US 2026/0285498 A1
- Aircraft fuel delivery system17 Sep 2026US 2026/0274434 A1Airbus Operations GmbH
- Hydrogen fuel supply system27 Aug 2026US 2026/0250011 A1Kawasaki Jukogyo Kabushiki Kaisha
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
- Integrated thermal management and coolant system for an aircraft196US 6,415,595 B1Hamilton Sundstrand Corporation · 2002
- System for temperature and actuation control and method of controlling fluid temperatures in an aircraft171US 9,656,762 B2General Electric Company · 2017
- Thermal and energy management method and apparatus for an aircraft164US 6,182,435 B2Hamilton Sundstrand Corporation · 2001