F01D 5/3069
Between two discs or rings
Official title: {between two discs or rings}
F01D5/3069 (Between two discs or rings) appears on 78 US grants and 70 published applications in this corpus.
Search patents in F01D- Granted patents
- 78
- Published applications
- 70
- Assignees
- 40
- Inventors
- 146
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 4 |
| 2012 | 3 | 2 |
| 2013 | 2 | 4 |
| 2014 | 3 | 6 |
| 2015 | 1 | 7 |
| 2016 | 6 | 6 |
| 2017 | 5 | 3 |
| 2018 | 6 | 4 |
| 2019 | 3 | 4 |
| 2020 | 8 | 8 |
| 2021 | 11 | 10 |
| 2022 | 8 | 0 |
| 2023 | 0 | 1 |
| 2024 | 3 | 3 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotor assembly for a gas turbine engine16 Dec 2025US 12,497,893 B2General Electric Company
- Radial turbine assembly with ceramic matrix composite airfoils having dovetail retention4 Mar 2025US 12,241,389 B1Rolls-Royce North American Technologies Inc.
- Control of leakage for gas turbine engine compressor blades18 Feb 2025US 12,228,142 B1Rtx Corporation
- Gas turbine engine including a rotating blade assembly19 Nov 2024US 12,146,422 B2GE Avio S. r. l.
- Trunnion retention for a turbine engine5 Nov 2024US 12,134,971 B2General Electric Company
- Propulsor Fan15 Jan 2026US 2026/0015986 A1Whisper Aero Inc.
- Control of leakage for gas turbine engine compressor blades6 Feb 2025US 2025/0043799 A1Rtx Corporation
- Rotor assembly for a gas turbine engine17 Oct 2024US 2024/0344460 A1General Electric Company
- Platform for an airfoil of a gas turbine engine18 Apr 2024US 2024/0125242 A1Rtx Corporation
- Propulsor Fan4 Jan 2024US 2024/0003317 A1Whisper Aero Inc.
Most cited
By later US patents
- Paired blade assembly55US 4,098,559 AUnited Technologies Corporation · 1978
- Gas turbine blade and disk53US 5,135,354 AUnited Technologies Corporation · 1992
- Blade support hub for an axial fan47US 4,715,784 ACofimco S.r.l. · 1987
- System for cooling a gas turbine by bleeding air from the compressor43US 4,415,310 ASociete Nationale d'Etude et de Construction de Moteurs D'Aviation "S.N.E.C.M A." · 1983
- Assembling device for blade of hanging fan41US 5,927,945 A1999