F05B 2240/30
Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy
Official title: Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
F05B2240/30 (Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy) appears on 1,712 US grants and 2,185 published applications in this corpus.
Search patents in F05B- Granted patents
- 1,712
- Published applications
- 2,185
- Assignees
- 646
- Inventors
- 2,894
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 10 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 13 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 4 |
| 2003 | 5 | 16 |
| 2004 | 9 | 14 |
| 2005 | 6 | 20 |
| 2006 | 14 | 33 |
| 2007 | 20 | 42 |
| 2008 | 23 | 54 |
| 2009 | 15 | 96 |
| 2010 | 26 | 111 |
| 2011 | 72 | 157 |
| 2012 | 87 | 152 |
| 2013 | 88 | 95 |
| 2014 | 80 | 93 |
| 2015 | 53 | 99 |
| 2016 | 69 | 97 |
| 2017 | 87 | 112 |
| 2018 | 81 | 121 |
| 2019 | 122 | 135 |
| 2020 | 109 | 133 |
| 2021 | 105 | 120 |
| 2022 | 133 | 141 |
| 2023 | 119 | 114 |
| 2024 | 121 | 109 |
| 2025 | 98 | 63 |
| 2026 | 42 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F05B 2240/31Of changeable form or shapeIndexing code402
- F05B 2240/301Cross-section characteristicsIndexing code366
- F05B 2240/302Segmented or sectional bladesIndexing code322
- F05B 2240/306Surface measuresIndexing code173
- F05B 2240/305Flaps, slats or spoilersIndexing code149
- F05B 2240/307Blade tipIndexing code98
- F05B 2240/304Details of the trailing edgeIndexing code72
- F05B 2240/303Details of the leading edgeIndexing code59
All 9 subgroupsShow fewer
Recent patents
- Hydraulic turbine29 Sep 2026US 12,747,716 B2Natel Energy Holdings, Inc.
- Method of manufacturing a wind turbine rotor blade part having an embedded placeholder29 Sep 2026US 12,747,718 B2Nordex Blade Technology Centre ApS
- Method for manufacturing a preform building element and oven25 Aug 2026US 12,715,180 B2Siemens Gamsea Renewable Energy A/S
- Horizontally-oriented conical-helical hydrokinetic turbine11 Aug 2026US 12,704,105 B2
- Magnetic drive, seal-less pump28 Jul 2026US 12,692,872 B2
- Evaporator for ambient water bodies, and related system and method8 Oct 2026US 2026/0306964 A1Resource West, Inc.
- Hydroturbine piece of a turbine comprising a modified trailing edge8 Oct 2026US 2026/0309114 A1GE Renewable Technologies
- Connector assembly1 Oct 2026US 2026/0298198 A1
- Device for avoiding induced rotor blade oscillations of a rotor blade of a wind turbine and method24 Sep 2026US 2026/0286930 A1Wobben Properties GmbH
- Segmented wind turbine blade, method for assembling a segmented wind turbine blade and wind turbine24 Sep 2026US 2026/0286931 A1Siemens Gamesa Renewable Energy A/S
Most cited
By later US patents
- Heart assist device with expandable impeller pump411US 7,841,976 B2The Penn State Research Foundation · 2010
- Variable geometry guide vane for a gas turbine engine199US 7,632,064 B2United Technologies Corporation · 2009
- Serrated trailing edges for improving lift and drag characteristics of lifting surfaces173US 5,088,665 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1992
- Low drag vortex generators156US 5,058,837 A1991
- Composite wind turbine rotor blade and method for making same155US 4,976,587 ADWR Wind Technologies Inc. · 1990