F02C 3/09
Of the centripetal type
Official title: of the centripetal type
F02C3/09 (Of the centripetal type) appears on 26 US grants and 21 published applications in this corpus.
Search patents in F02C- Granted patents
- 26
- Published applications
- 21
- Assignees
- 18
- Inventors
- 74
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 4 |
| 2021 | 3 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Removable mechanical part for acoustic insulation of an air inlet casing13 May 2025US 12,297,773 B2Safran Power Units
- Aircraft engine having two radially offset turbines15 Oct 2024US 12,116,928 B2Pratt & Whitney Canada Corp.
- Gas turbine engine31 Jan 2023US 11,566,562 B2ROLLS-ROYCE plc
- Gas turbine engine24 May 2022US 11,339,714 B2ROLLS-ROYCE plc
- Jet engine having fan blades with air and exhaust gas flow channels26 Apr 2022US 11,313,326 B2
- Recovered-cycle aircraft turbine engine19 Feb 2026US 2026/0049618 A1Safran Helicopter Engines
- Aircraft engine having two radially offset turbines19 Sep 2024US 2024/0309803 A1Pratt & Whitney Canada Corp.
- Acoustic insulation assembly for an auxiliary power unit having a centrifugal compressor20 Jun 2024US 2024/0200493 A1Safran Power Units
- Gas turbine engine28 Jul 2022US 2022/0235698 A1ROLLS-ROYCE plc
- Multistage compressor-expander turbomachine configuration19 May 2022US 2022/0154638 A1Nuovo Pignone Tecnologie Srl
Most cited
By later US patents
- High efficiency, twin spool, radial-high pressure, gas turbine engine139US 5,081,832 A1992
- Integrated gearless and nonlubricated auxiliary power unit51US 7,251,942 B2Honeywell International Inc. · 2007
- Gas turbine engine including a bearing support tube cantilevered from a turbine nozzle wall48US 5,526,640 ATechnical Directions, Inc. · 1996
- Gas turbine engine46US 5,727,378 AGreat Lakes Helicopters Inc. · 1998
- Combined stage single shaft turbofan engine36US 7,055,306 B2Hamilton Sundstrand Corporation · 2006