F02K 5/02
The engine being of the reciprocating-piston type
Official title: the engine being of the reciprocating-piston type
F02K5/02 (The engine being of the reciprocating-piston type) appears on 27 US grants and 24 published applications in this corpus.
Search patents in F02K- Granted patents
- 27
- Published applications
- 24
- Assignees
- 14
- Inventors
- 55
- Latest grant
- 14 Jul 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 4 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 3 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aircraft propulsion system and method for operating same14 Jul 2026US 12,679,548 B2Pratt & Whitney Canada Corp.
- Tractor aircraft power plant with swirl recovery vanes2 Jun 2026US 12,644,407 B2Pratt & Whitney Canada Corp.
- System with multiple forced induction engines25 Mar 2025US 12,258,901 B2Rtx Corporation
- System with multiple forced induction engines19 Mar 2024US 11,933,218 B2Rtx Corporation
- Apparatus and system for vehicle propulsion7 Mar 2023US 11,597,266 B1
- Powerplant Assembly for an Aircraft16 Jul 2026US 2026/0200581 A1Pratt & Whitney Canada Corp.
- Tractor aircraft power plant with swirl recovery vanes21 May 2026US 2026/0139618 A1Pratt & Whitney Canada Corp.
- Aircraft propulsion system and method for operating same28 Aug 2025US 2025/0269971 A1Pratt & Whitney Canada Corp.
- Hybrid aircraft propulsion system with electric motor alignment14 Aug 2025US 2025/0256860 A1Pratt & Whitney Canada Corp.
- System with multiple forced induction engines8 Aug 2024US 2024/0263580 A1Rtx Corporation
Most cited
By later US patents
- Turbocharged compund cycle ducted fan engine system66US 4,815,282 ATeledyne Industries, Inc. · 1989
- Controllable combustion method and device33US 6,938,588 B2Sarcos Investments LC · 2005
- Bimodal fan, heat exchanger and bypass air supercharging for piston or rotary driven turbine27US 6,786,036 B22004
- Pulsed detonation engine26US 8,813,474 B2Mbda France · 2014
- Turbocharged compound cycle ducted fan engine system22US 4,996,839 ATeledyne Industries, Inc. · 1991