F05D 2250/291
Hollowed
Official title: hollowed
F05D2250/291 (Hollowed) appears on 78 US grants and 91 published applications in this corpus.
Search patents in F05D- Granted patents
- 78
- Published applications
- 91
- Assignees
- 50
- Inventors
- 244
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 3 |
| 2007 | 0 | 3 |
| 2008 | 0 | 4 |
| 2009 | 3 | 2 |
| 2010 | 2 | 2 |
| 2011 | 2 | 0 |
| 2012 | 2 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 3 |
| 2016 | 2 | 7 |
| 2017 | 1 | 2 |
| 2018 | 3 | 8 |
| 2019 | 2 | 7 |
| 2020 | 12 | 6 |
| 2021 | 5 | 8 |
| 2022 | 5 | 9 |
| 2023 | 10 | 9 |
| 2024 | 8 | 7 |
| 2025 | 10 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Additively manufactured turbine engine case4 Nov 2025US 12,460,551 B1Rtx Corporation
- Substrate edge configurations for ceramic coatings4 Nov 2025US 12,460,555 B2Rtx Corporation
- Fluid flow regulation assembly with vibration attenuation7 Oct 2025US 12,435,815 B2Grundfos Holding A/S
- Aircraft nacelle equipped with at least one thrust reversal device comprising at least one longitudinal deflector configured to house a longitudinal actuator2 Sep 2025US 12,404,820 B2Airbus Operations GmbH
- Self-cleaning conduits for hydrocarbon fluids27 May 2025US 12,311,330 B2General Electric Company
- Cmc component with structure for directing cooling air flow16 Jul 2026US 2026/0201811 A1Rtx Corporation
- Turbine blade and rotor2 Jul 2026US 2026/0185452 A1Siemens Energy Global GmbH & Co. KG
- Fan blades and modifications thereof25 Dec 2025US 2025/0389278 A1Delta T, LLC
- Turbine engine with compliant axial retainer20 Nov 2025US 2025/0354494 A1General Electric Company
- Gearbox assembly26 Jun 2025US 2025/0207535 A1General Electric Company
Most cited
By later US patents
- Blade clearance control using high-CTE and low-CTE ring members109US 8,790,067 B2United Technologies Corporation · 2014
- Rotor blade outer tip seal apparatus63US 5,639,210 AUnited Technologies Corporation · 1997
- Airfoil array with an endwall protrusion and components of the array34US 7,887,297 B2United Technologies Corporation · 2011
- Radial-flow turbine wheel30US 7,481,625 B2Samsung Techwin Co., Ltd. · 2009
- Turbine bucket damper pin28US 6,776,583 B1General Electric Company · 2004