F05D 2250/15
Spiral
Official title: spiral
F05D2250/15 (Spiral) appears on 145 US grants and 152 published applications in this corpus.
Search patents in F05D- Granted patents
- 145
- Published applications
- 152
- Assignees
- 83
- Inventors
- 360
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 3 |
| 2003 | 4 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 2 |
| 2006 | 0 | 2 |
| 2007 | 3 | 3 |
| 2008 | 2 | 4 |
| 2009 | 2 | 5 |
| 2010 | 4 | 2 |
| 2011 | 1 | 0 |
| 2012 | 4 | 4 |
| 2013 | 2 | 6 |
| 2014 | 3 | 7 |
| 2015 | 6 | 12 |
| 2016 | 1 | 11 |
| 2017 | 7 | 12 |
| 2018 | 7 | 5 |
| 2019 | 16 | 16 |
| 2020 | 11 | 14 |
| 2021 | 9 | 11 |
| 2022 | 14 | 6 |
| 2023 | 9 | 6 |
| 2024 | 6 | 7 |
| 2025 | 6 | 5 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustion section for a turbine engine18 Aug 2026US 12,710,175 B2General Electric Company
- Turbine support case with axial spokes and brackets7 Apr 2026US 12,595,750 B1Pratt & Whitney Canada Corp.
- Turbine blade, in particular for a gas turbine engine10 Mar 2026US 12,571,316 B2Rolls-Royce Deutschland Ltd & Co KG
- Aircraft engine having a scroll case and a turbine support case secured together3 Mar 2026US 12,565,847 B1Pratt & Whitney Canada Corp.
- Element and method for compensation of tolerances and/or gap widths of a device and engine, assembly method for a shaft/hub connection13 Jan 2026US 12,523,160 B2Universität der Bundeswehr München
- Combustion section for a turbine engine30 Jul 2026US 2026/0218907 A1General Electric Company
- Dual wastegate valve arrangement18 Jun 2026US 2026/0168434 A1BorgWarner Inc.
- Turbine support case with axial spokes and brackets16 Apr 2026US 2026/0103998 A1Pratt & Whitney Canada Corp.
- Turbine blade, in particular for a gas turbine engine1 Jan 2026US 2026/0002446 A1Rolls-Royce Deutschland Ltd & Co KG
- Additively Manufactured Turbine Vane Cluster4 Dec 2025US 2025/0369364 A1Rtx Corporation
Most cited
By later US patents
- Spiral wound containment ring122US 5,163,809 APratt & Whitney Canada Corp. · 1992
- Exhaust turbocharger76US 7,343,742 B2Bayerische Motoren Werke Aktiengesellschaft · 2008
- Method and apparatus for cooling an airfoil62US 6,247,896 B1United Technologies Corporation · 2001
- Particle separator for a turbine engine61US 6,698,180 B2ROLLS-ROYCE plc · 2004
- Turbine vane cooling system58US 5,993,156 ASociete Nationale d'Etude et de Construction de Moteurs D'Aviation "S.N.E.C.M A." · 1999