F01D 13/02
Working-fluid interconnection of machines or engines
F01D13/02 (Working-fluid interconnection of machines or engines) appears on 70 US grants and 77 published applications in this corpus.
Search patents in F01D- Granted patents
- 70
- Published applications
- 77
- Assignees
- 42
- Inventors
- 149
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 3 | 8 |
| 2013 | 0 | 3 |
| 2014 | 1 | 1 |
| 2015 | 5 | 8 |
| 2016 | 3 | 4 |
| 2017 | 4 | 2 |
| 2018 | 2 | 8 |
| 2019 | 4 | 4 |
| 2020 | 6 | 13 |
| 2021 | 7 | 4 |
| 2022 | 6 | 3 |
| 2023 | 7 | 4 |
| 2024 | 5 | 6 |
| 2025 | 4 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steam turbine bypass for increased water heat absorption capacity steam injected turbine engine10 Feb 2026US 12,546,250 B2Rtx Corporation
- Aircraft engine with exhaust having removable deflector23 Sep 2025US 12,420,941 B2Pratt & Whitney Canada Corp.
- Flow control device for axial flow turbomachines in series23 Sep 2025US 12,421,858 B1The United States of America as represented by the Secretary of the Navy
- Distributed propulsion with offset propulsion modules20 May 2025US 12,305,569 B2Institut Superieur De L Aeronautique Et De L Espace
- System having axial-radial exhaust diffuser and method of use11 Mar 2025US 12,247,495 B2GE Infrastructure Technology LLC
- Aircraft propulsion system and method for operating same28 Aug 2025US 2025/0269971 A1Pratt & Whitney Canada Corp.
- System having axial-radial exhaust diffuser and method of use31 Oct 2024US 2024/0360774 A1General Electric Company
- Steam turbine bypass for increased water heat absorption capacity steam injected turbine engine15 Aug 2024US 2024/0271548 A1Raytheon Technologies Corporation
- Distributed propulsion with offset propulsion modules11 Jul 2024US 2024/0229709 A9Institut Superieur De L'aeronautique Et De L'espac
- Aircraft engine with exhaust having removable deflector6 Jun 2024US 2024/0182178 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Aircraft combination engines thermal management system93US 7,836,680 B2United Technologies Corporation · 2010
- Power plant start-up method and method of venting the power plant75US 8,266,883 B2General Electric Company · 2012
- Power plant and method of use74US 8,266,913 B2General Electric Company · 2012
- Process for controlling a power turbine throttle valve during a supercritical carbon dioxide rankine cycle32US 9,752,460 B2Echogen Power Systems, LLC · 2017
- Turbofan jet engine with low pressure shaft passing outside of core engine27US 9,828,911 B2Rolls-Royce Deutschland Ltd & Co KG · 2017