F01D 5/303
In a circumferential slot
Official title: {in a circumferential slot}
F01D5/303 (In a circumferential slot) appears on 291 US grants and 283 published applications in this corpus.
Search patents in F01D- Granted patents
- 291
- Published applications
- 283
- Assignees
- 86
- Inventors
- 631
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 3 |
| 2002 | 5 | 5 |
| 2003 | 3 | 3 |
| 2004 | 6 | 12 |
| 2005 | 3 | 5 |
| 2006 | 7 | 10 |
| 2007 | 5 | 7 |
| 2008 | 5 | 4 |
| 2009 | 3 | 9 |
| 2010 | 3 | 8 |
| 2011 | 4 | 14 |
| 2012 | 11 | 17 |
| 2013 | 10 | 21 |
| 2014 | 21 | 21 |
| 2015 | 16 | 19 |
| 2016 | 17 | 17 |
| 2017 | 16 | 15 |
| 2018 | 13 | 15 |
| 2019 | 16 | 10 |
| 2020 | 13 | 13 |
| 2021 | 17 | 10 |
| 2022 | 13 | 7 |
| 2023 | 9 | 12 |
| 2024 | 13 | 14 |
| 2025 | 11 | 4 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Propulsor fan and drive system23 Jun 2026US 12,662,943 B2Whisper Aero Inc.
- Radial turbine assembly with ceramic matrix composite airfoils having circumferential dovetail retention16 Jun 2026US 12,655,770 B2Rolls-Royce North American Technologies Inc.
- Asymmetric blade locking apparatus19 May 2026US 12,631,119 B1GE Marmara Technology Center Muhendislik Hizmetleri Ltd
- Protection element for a compressor drum and method for repairing a compressor drum30 Dec 2025US 12,509,994 B2Safran Aircraft Engines
- Rotor assembly for a gas turbine engine16 Dec 2025US 12,497,893 B2General Electric Company
- Expander and method of manufacturing24 Sep 2026US 2026/0286848 A1Nuovo Pignone Tecnologie Srl
- Turbine blade and rotor2 Jul 2026US 2026/0185452 A1Siemens Energy Global GmbH & Co. KG
- Oblong turbine25 Jun 2026US 2026/0176975 A1
- Turbine engine with a blade assembly having a dovetail16 Apr 2026US 2026/0103988 A1General Electric Company
- Turbine engine with a blade assembly having a dovetail16 Apr 2026US 2026/0103990 A1General Electric Company
Most cited
By later US patents
- Stress relieved dovetail52US 6,033,185 AGeneral Electric Company · 2000
- 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
- Turbomachine blade-to-rotor sealing arrangement36US 6,375,429 B1General Electric Company · 2002
- Article of manufacture33US 9,145,777 B2General Electric Company · 2015
- Laser shock peened disks with loading and locking slots for turbomachinery31US 5,522,706 AGeneral Electric Company · 1996