F02K 3/115
By means of indirect heat exchange
Official title: by means of indirect heat exchange
F02K3/115 (By means of indirect heat exchange) appears on 252 US grants and 309 published applications in this corpus.
Search patents in F02K- Granted patents
- 252
- Published applications
- 309
- Assignees
- 50
- Inventors
- 449
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 4 |
| 2008 | 2 | 7 |
| 2009 | 1 | 8 |
| 2010 | 6 | 4 |
| 2011 | 2 | 9 |
| 2012 | 8 | 8 |
| 2013 | 7 | 11 |
| 2014 | 5 | 10 |
| 2015 | 10 | 19 |
| 2016 | 8 | 26 |
| 2017 | 12 | 25 |
| 2018 | 20 | 21 |
| 2019 | 28 | 19 |
| 2020 | 22 | 23 |
| 2021 | 22 | 18 |
| 2022 | 19 | 19 |
| 2023 | 23 | 14 |
| 2024 | 19 | 15 |
| 2025 | 25 | 31 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Framed heat exchanger for aircraft propulsion system16 Jun 2026US 12,654,871 B2Rtx Corporation
- Gas turbine engine with heat exchanger assembly19 May 2026US 12,631,143 B2General Electric Company
- Open rotor nose cone ram air heat exchanger with exhaust of cooling air through static structure5 May 2026US 12,618,367 B2Rtx Corporation
- Gas turbine engine having a heat exchanger located in an annular duct14 Apr 2026US 12,601,296 B2General Electric Company
- Gas turbine engine having a heat exchanger located in an annular duct14 Apr 2026US 12,601,297 B2General Electric Company
- Air system for aircraft propulsion system electric machine13 Aug 2026US 2026/0235075 A1Rtx Corporation
- Annular wall of aeronautical turbine engine and aeronautical turbine engine comprising such a wall23 Jul 2026US 2026/0210271 A1Safran Aircraft Engines
- Aircraft turbine engine comprising a heat exchange system23 Jul 2026US 2026/0210289 A1Safran
- Heat exchange system for an aircraft turbine engine23 Jul 2026US 2026/0210290 A1Safran
- Aircraft heat exchange system with multiple heat exchangers18 Jun 2026US 2026/0167342 A1Rtx Corporation
Most cited
By later US patents
- System and method for managing thermal issues in gas turbine engines128US 9,014,791 B2Echogen Power Systems, LLC · 2015
- Turbine engine with intercooler in bypass air passage118US 6,134,880 AConcepts ETI, Inc. · 2000
- Gas turbine engine temperature modulated cooling flow96US 8,307,662 B2General Electric Company · 2012
- Aircraft combination engines thermal management system93US 7,836,680 B2United Technologies Corporation · 2010
- Environmental control system supply precooler bypass86US 8,397,487 B2General Electric Company · 2013