F02K 3/077
The plant being of the multiple flow type, i.e. having three or
Official title: the plant being of the multiple flow type, i.e. having three or more flows
F02K3/077 (The plant being of the multiple flow type, i.e. having three or) appears on 243 US grants and 283 published applications in this corpus.
Search patents in F02K- Granted patents
- 243
- Published applications
- 283
- Assignees
- 49
- Inventors
- 333
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 5 |
| 2004 | 3 | 2 |
| 2005 | 3 | 4 |
| 2006 | 2 | 2 |
| 2007 | 3 | 5 |
| 2008 | 1 | 6 |
| 2009 | 2 | 9 |
| 2010 | 6 | 10 |
| 2011 | 3 | 17 |
| 2012 | 9 | 6 |
| 2013 | 8 | 12 |
| 2014 | 11 | 15 |
| 2015 | 7 | 20 |
| 2016 | 11 | 27 |
| 2017 | 11 | 13 |
| 2018 | 27 | 10 |
| 2019 | 21 | 11 |
| 2020 | 12 | 16 |
| 2021 | 10 | 6 |
| 2022 | 17 | 7 |
| 2023 | 4 | 7 |
| 2024 | 19 | 21 |
| 2025 | 16 | 30 |
| 2026 | 21 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Triple-flow axial turbomachine comprising a diverging heat exchanger in the third flow1 Sep 2026US 12,723,545 B2Safran Aero Boosters SA
- Gas turbine engine14 Jul 2026US 12,680,510 B2General Electric Company
- Gas turbine engine7 Jul 2026US 12,674,419 B2General Electric Company
- Gas turbine engine16 Jun 2026US 12,655,802 B2General Electric Company
- Dual bypass turbofan gas turbine engine9 Jun 2026US 12,650,091 B2Pratt & Whitney Canada Corp.
- Gas turbine engine24 Sep 2026US 2026/0286851 A1General Electric Company
- Intermediate casing for a turbine engine17 Sep 2026US 2026/0275940 A1Safran Aircraft Engines
- Gas turbine engine20 Aug 2026US 2026/0243199 A1General Electric Company
- Gas turbine engine13 Aug 2026US 2026/0235038 A1General Electric Company
- Exhaust mixer for a turbofan engine13 Aug 2026US 2026/0235091 A1Rolls-Royce Deutschland Ltd & Co KG
Most cited
By later US patents
- Variable specific thrust turbofan engine152US 5,261,227 AGeneral Electric Company · 1993
- Variable cycle gas turbine engines129US 4,064,692 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1977
- Turbofan engine with a core driven supercharged bypass duct and fixed geometry nozzle111US 5,806,303 AGeneral Electric Company · 1998
- Aft FLADE engine102US 7,216,475 B2General Electric Company · 2007
- Compound propulsor99US 4,446,696 AGeneral Electric Company · 1984