B29L 2031/082
Blades
Official title: {Blades, e.g. for helicopters}
B29L2031/082 (Blades) appears on 986 US grants and 1,349 published applications in this corpus.
Search patents in B29L- Granted patents
- 986
- Published applications
- 1,349
- Assignees
- 293
- Inventors
- 1,832
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 3 |
| 2004 | 4 | 0 |
| 2005 | 0 | 4 |
| 2006 | 0 | 6 |
| 2007 | 3 | 10 |
| 2008 | 3 | 13 |
| 2009 | 2 | 18 |
| 2010 | 5 | 31 |
| 2011 | 13 | 70 |
| 2012 | 25 | 90 |
| 2013 | 33 | 55 |
| 2014 | 39 | 58 |
| 2015 | 47 | 81 |
| 2016 | 42 | 94 |
| 2017 | 51 | 75 |
| 2018 | 63 | 60 |
| 2019 | 72 | 86 |
| 2020 | 81 | 102 |
| 2021 | 85 | 67 |
| 2022 | 66 | 122 |
| 2023 | 102 | 75 |
| 2024 | 98 | 89 |
| 2025 | 66 | 74 |
| 2026 | 47 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Oven arrangement and method for manufacturing preform building elements used for building a rotor blade of a wind turbine6 Oct 2026US 12,752,464 B2Siemens Gamesa Renewable Energy A/S
- Monolithic molded fan components and method for their manufacture6 Oct 2026US 12,752,499 B2Evapco, Inc.
- Method of manufacturing a wind turbine rotor blade part having an embedded placeholder29 Sep 2026US 12,747,718 B2Nordex Blade Technology Centre ApS
- Digital three dimensional (3D) measurement of bondline thickness and width during blade assembly22 Sep 2026US 12,741,428 B2TPI Technology, Inc.
- Method of manufacturing a shell of a wind turbine blade15 Sep 2026US 12,734,777 B2Lm Wind Power A/S
- Method for attaching a metal reinforcement on a leading edge of a turbomachine blade8 Oct 2026US 2026/0307338 A1Safran Aerospace Composites
- Fabric and resin composite material part8 Oct 2026US 2026/0307339 A1Safran Aircraft Engines
- Method for manufacturing a vane made from composite material comprising a serration element and an anti-erosion coating1 Oct 2026US 2026/0295949 A1Safran Aerospace Composites
- Packing table for manufacturing of a joining adapter to be used in a method for joining an outboard blade section to an inboard blade section of a longitudinally split wind turbine blade and method for manufacturing of a joining adapter1 Oct 2026US 2026/0295953 A1Siemens Gamesa Renewable Energy A/S
- Method for manufacturing root section of wind turbine blade, root section, semi-manufactured part of root section, wind turbine blade, and wind turbine1 Oct 2026US 2026/0298195 A1Envision Energy Technology Pte Ltd.
Most cited
By later US patents
- Composite wind turbine rotor blade and method for making same155US 4,976,587 ADWR Wind Technologies Inc. · 1990
- Method of making a part of large dimensions out of composite material74US 6,264,877 B1Alternatives Energies · 2001
- Advanced composite rotor blade65US 5,346,367 AUnited Technologies Corporation · 1994
- Fiber reinforced composite spar for a rotary wing aircraft and method of manufacture thereof61US 5,755,558 ASikorsky Aircraft Corporation · 1998
- Intermediate-manufactured composite airfoil and methods for manufacturing59US 8,105,042 B2United Technologies Corporation · 2012