B64C 2027/4733
Rotor blades substantially made from particular materials
Official title: {Rotor blades substantially made from particular materials}
B64C2027/4733 (Rotor blades substantially made from particular materials) appears on 252 US grants and 216 published applications in this corpus.
Search patents in B64C- Granted patents
- 252
- Published applications
- 216
- Assignees
- 87
- Inventors
- 470
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 4 |
| 2003 | 2 | 0 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 3 | 4 |
| 2008 | 0 | 1 |
| 2009 | 1 | 7 |
| 2010 | 5 | 9 |
| 2011 | 3 | 1 |
| 2012 | 1 | 11 |
| 2013 | 5 | 7 |
| 2014 | 14 | 9 |
| 2015 | 12 | 9 |
| 2016 | 7 | 14 |
| 2017 | 10 | 15 |
| 2018 | 10 | 19 |
| 2019 | 19 | 20 |
| 2020 | 23 | 17 |
| 2021 | 9 | 16 |
| 2022 | 20 | 11 |
| 2023 | 15 | 9 |
| 2024 | 13 | 13 |
| 2025 | 5 | 11 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vane made of composite material comprising a metallic reinforcement and method for manufacturing such a vane14 Apr 2026US 12,600,098 B2Safran
- Blade manufacturing for vertical take-off dual-engine aircraft14 Apr 2026US 12,600,459 B1Anduril Industries, Inc.
- Method of forming a wind turbine rotor blade7 Apr 2026US 12,594,730 B2Lm Wind Power A/S
- Commonly manufactured rotor blade7 Apr 2026US 12,595,048 B2Lockheed Martin Corporation
- Method and system of forming a composite airfoil having a set of plies17 Feb 2026US 12,553,352 B2General Electric Company
- Systems and Methods for Manufacturing Composite Laminate Structures8 Oct 2026US 2026/0307787 A1
- Structural component for a blade30 Jul 2026US 2026/0217360 A1Ratier-Figeac SAS
- Methods of stamp-forming fiber-reinforced thermoplastic composite assemblies and related systems21 May 2026US 2026/0138340 A1The Boeing Company
- Blade spar20 Nov 2025US 2025/0353589 A1Ratier-Figeac SAS
- Blade comprising a structure made of composite material, and associated manufacturing method23 Oct 2025US 2025/0326482 A1Safran Aircraft Engines
Most cited
By later US patents
- Composite wind turbine rotor blade and method for making same155US 4,976,587 ADWR Wind Technologies Inc. · 1990
- Honeycomb spliced multilayer foam core aircraft composite parts and method for making same88US 4,687,691 AUnited Technologies Corporation · 1987
- Method of manufacture of hollow pieces73US 3,967,996 A1976
- Large airfoil structure and method for its manufacture72US 4,732,542 AMesserschmitt-Bolkow-Blohm Gesellschaft mit beschranker Haftung · 1988
- Large airfoil structure and method for its manufacture71US 4,643,646 AMesserschmitt-Bolkow-Blohm GmbH · 1987