B64C 11/24
Hollow blades
B64C11/24 (Hollow blades) appears on 44 US grants and 50 published applications in this corpus.
Search patents in B64C- Granted patents
- 44
- Published applications
- 50
- Assignees
- 35
- Inventors
- 113
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 4 |
| 2014 | 1 | 0 |
| 2015 | 4 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 3 |
| 2018 | 0 | 2 |
| 2019 | 4 | 1 |
| 2020 | 3 | 8 |
| 2021 | 2 | 1 |
| 2022 | 3 | 2 |
| 2023 | 3 | 8 |
| 2024 | 10 | 3 |
| 2025 | 3 | 5 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Open rotor nose cone ram air heat exchanger with exhaust of cooling air through static structure5 May 2026US 12,618,367 B2Rtx Corporation
- Airfoil assembly27 Jan 2026US 12,535,009 B1GE Aviation Systems LLC
- Method for producing a vane comprising a reinforced cavity23 Dec 2025US 12,502,852 B2Safran
- Method for manufacturing a vane comprising a reinforced cavity2 Dec 2025US 12,485,631 B2Safran
- Composite airfoil assembly having a composite airfoil and spar21 Oct 2025US 12,448,892 B2General Electric Company
- Propeller and method for safely releasing a ruptured blade8 Oct 2026US 2026/0307779 A1Airbus Operations S.L.U.
- Airfoil assembly13 Aug 2026US 2026/0235037 A1GE Aviation Systems LLC
- Propellers23 Jul 2026US 2026/0208854 A1OnwardAir, Inc.
- Open rotor nose cone ram air heat exchanger with exhaust of cooling air through static structure7 May 2026US 2026/0126010 A1Rtx Corporation
- Variable-pitch vane made of composite material for an unducted fan of an aircraft30 Apr 2026US 2026/0116529 A1Safran Aircraft Engines
Most cited
By later US patents
- Method of manufacture of hollow pieces73US 3,967,996 A1976
- Rotor aerofoil blade containment44US 4,643,647 AROLLS-ROYCE plc · 1987
- Method of making hollow articles27US 5,099,573 ACompressor Components Textron Inc. · 1992
- Airfoil blade for impeller fan and manufacturing method thereof20US 4,971,521 AMatsushita Electric Industrial Co., Ltd. · 1990
- Rotor blade with bonded cover18US 9,657,577 B2United Technologies Corporation · 2017