F02K 5/00
Plants including an engine, other than a gas turbine, driving a compressor
Official title: Plants including an engine, other than a gas turbine, driving a compressor or a ducted fan
F02K5/00 (Plants including an engine, other than a gas turbine, driving a compressor) appears on 355 US grants and 474 published applications in this corpus.
Search patents in F02K- Granted patents
- 355
- Published applications
- 474
- Assignees
- 83
- Inventors
- 597
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 4 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 6 |
| 2008 | 0 | 4 |
| 2009 | 2 | 4 |
| 2010 | 5 | 6 |
| 2011 | 5 | 2 |
| 2012 | 2 | 2 |
| 2013 | 5 | 3 |
| 2014 | 4 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 8 |
| 2018 | 3 | 29 |
| 2019 | 13 | 24 |
| 2020 | 23 | 46 |
| 2021 | 30 | 53 |
| 2022 | 50 | 66 |
| 2023 | 48 | 54 |
| 2024 | 58 | 61 |
| 2025 | 52 | 43 |
| 2026 | 36 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aircraft turbine engine with a hybrid compressor18 Aug 2026US 12,709,988 B2Safran
- Systems and methods for controlling an electric motor of an aircraft propulsion system11 Aug 2026US 12,703,495 B2Pratt & Whitney Canada Corp.
- Control for electrically assisted turbines4 Aug 2026US 12,698,748 B2Pratt & Whitney Canada Corp.
- Aircraft propulsion system and method for operating same14 Jul 2026US 12,679,548 B2Pratt & Whitney Canada Corp.
- Hybrid-electric propulsion system equipped with a coupler for switching between modes of operation23 Jun 2026US 12,662,979 B2General Electric Company
- Propulsion systems and vehicles using the same17 Sep 2026US 2026/0275937 A1
- Hybrid-electric propulsion system equipped with a coupler for switching between modes of operation17 Sep 2026US 2026/0275941 A1General Electric Company
- Working fluid system for aircraft powerplant27 Aug 2026US 2026/0251092 A1Rtx Corporation
- Aircraft Hybrid Electric Propulsion System20 Aug 2026US 2026/0242066 A1Pratt & Whitney Canada Corp.
- An arc reaction engine and method of use20 Aug 2026US 2026/0243170 A1Ace Vtol Pty Ltd
Most cited
By later US patents
- Turbocharged compund cycle ducted fan engine system66US 4,815,282 ATeledyne Industries, Inc. · 1989
- Magnetically coupled contra-rotating propulsion stages50US 8,464,511 B1Hamilton Sundstrand Corporation · 2013
- Aircraft having a lift/propulsion unit47US 8,317,126 B2ROLLS-ROYCE plc · 2012
- Method and system for taxiing an aircraft45US 7,802,757 B2Pratt & Whitney Canada Corp. · 2010
- Magnetic advanced generation jet electric turbine41US 8,365,510 B22013