B29L 2031/08
Blades for rotors, stators, fans, turbines or the like
Official title: Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
B29L2031/08 (Blades for rotors, stators, fans, turbines or the like) appears on 1,429 US grants and 1,807 published applications in this corpus.
Search patents in B29L- Granted patents
- 1,429
- Published applications
- 1,807
- Assignees
- 438
- Inventors
- 2,603
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 5 |
| 2002 | 3 | 8 |
| 2003 | 8 | 10 |
| 2004 | 11 | 9 |
| 2005 | 6 | 9 |
| 2006 | 4 | 13 |
| 2007 | 7 | 20 |
| 2008 | 5 | 35 |
| 2009 | 7 | 30 |
| 2010 | 9 | 46 |
| 2011 | 30 | 96 |
| 2012 | 33 | 101 |
| 2013 | 46 | 79 |
| 2014 | 57 | 81 |
| 2015 | 64 | 109 |
| 2016 | 57 | 126 |
| 2017 | 71 | 97 |
| 2018 | 88 | 80 |
| 2019 | 93 | 119 |
| 2020 | 104 | 124 |
| 2021 | 108 | 89 |
| 2022 | 92 | 136 |
| 2023 | 118 | 95 |
| 2024 | 117 | 118 |
| 2025 | 93 | 93 |
| 2026 | 64 | 79 |
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
- Tooling and method for shaping a blade made of composite material8 Oct 2026US 2026/0307341 A1Safran Aerospace Composites
- 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
Most cited
By later US patents
- Wide chord fan blade334US 5,141,400 AGeneral Electric Company · 1992
- Composite wind turbine rotor blade and method for making same155US 4,976,587 ADWR Wind Technologies Inc. · 1990
- 3D thermoplastic composite pultrusion system and method121US 9,764,520 B2Ebert Composites Corporation · 2017
- 3D thermoplastic composite pultrusion system and method120US 9,616,623 B2Ebert Composites Corporation · 2017
- 3D thermoplastic composite pultrusion system and method119US 10,124,546 B2Ebert Composites Corporation · 2018