Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 416/232
Name: Fluid reaction surfaces (i.e., impellers) > Specific blade structure (e.g., shape, material, etc.) > Hollow
Description: Apparatus wherein the blade comprises a shell which defines a blade cavity.










Sub-classes under this class:

Class Number Class Name Patents
416/233 Having brace means bridging cavity 173


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8701286 Rotationally balancing a rotating part Apr. 22, 2014
8668456 Blade Mar. 11, 2014
8657581 Thermoplastic rotor blade Feb. 25, 2014
8622704 Gas turbine blade for a turbomachine Jan. 7, 2014
8591196 Vibration damping novel surface structures and methods of making the same Nov. 26, 2013
8562296 Lightning protection system for sectional blades Oct. 22, 2013
8562295 Three piece bonded thin wall cooled blade Oct. 22, 2013
8545180 Turbine blade with showerhead film cooling holes Oct. 1, 2013
8535005 Blades, turbine blade assemblies, and methods of forming blades Sep. 17, 2013
8517682 Wind turbine blade Aug. 27, 2013
8511999 Multiple piece turbine rotor blade Aug. 20, 2013
8512002 Method of manufacturing an aerofoil Aug. 20, 2013
8506256 Thin walled turbine blade and process for making the blade Aug. 13, 2013
8500411 Turbine airfoil with outer wall thickness indicators Aug. 6, 2013
8496440 Method of manufacturing an aerofoil Jul. 30, 2013
8491263 Turbine blade with cooling and sealing Jul. 23, 2013
8475132 Turbine blade assembly Jul. 2, 2013
8470425 Composite cores and panels Jun. 25, 2013
8439647 Cooled turbine airfoil fabricated from sheet material May. 14, 2013
8414992 Wrinkle control for composite tubes Apr. 9, 2013
8408866 Apparatus and method for cooling a turbine airfoil arrangement in a gas turbine engine Apr. 2, 2013
8393865 Rotor blade extension portion having a skin located over a framework Mar. 12, 2013
8389104 Composite cores and panels Mar. 5, 2013
8333565 Composite aerofoil Dec. 18, 2012
8322984 Pressure measurement device and method for determining wind force at wind energy installations Dec. 4, 2012
8297925 Aerofoil configuration Oct. 30, 2012
8277193 Thin walled turbine blade and process for making the blade Oct. 2, 2012
8267665 Laminar flow rotor and related methods and systems Sep. 18, 2012
8262364 Wind turbine blades with improved bond line Sep. 11, 2012
8251658 Tip cap for turbine rotor blade Aug. 28, 2012
8245400 Blade module, a modular rotor blade and a method for assembling a modular rotor blade Aug. 21, 2012
8241004 Component structure Aug. 14, 2012
8231330 Turbine blade with film cooling slots Jul. 31, 2012
8225506 Method of manufacturing a rotor for a gas turbine engine that includes identifying the frequency response of the rotor and adjusting the frequency response by providing a pressure gradient wit Jul. 24, 2012
8197185 Apparatus and method for cooling a turbine airfoil arrangement in a gas turbine engine Jun. 12, 2012
8178183 Formable core material May. 15, 2012
8171633 Method for assembling a multi-segment wind turbine blade May. 8, 2012
8152467 Blade with tangential jet generation on the profile Apr. 10, 2012
8142164 Rotor blade for use with a wind turbine and method for assembling rotor blade Mar. 27, 2012
8137611 Processing method for solid core ceramic matrix composite airfoil Mar. 20, 2012
8133008 Axial flow fluid apparatus and blade Mar. 13, 2012
8105045 Wind turbine blade and method for manufacturing a wind turbine blade Jan. 31, 2012
8105030 Cooled airfoils and gas turbine engine systems involving such airfoils Jan. 31, 2012
8096769 Damper Jan. 17, 2012
8083489 Hybrid structure fan blade Dec. 27, 2011
8083491 Wind turbine blade Dec. 27, 2011
8079821 Turbine airfoil with dual wall formed from inner and outer layers separated by a compliant structure Dec. 20, 2011
8079820 Blade module, a modular rotor blade and a method for assembling a modular rotor blade Dec. 20, 2011
8075278 Shell structure of wind turbine blade having regions of low shear modulus Dec. 13, 2011
8061964 Hybrid multi-element tapered rotating tower Nov. 22, 2011

1 2 3 4










 
 
  Recently Added Patents
Electronic circuit having shared leakage current reduction circuits
System, apparatus and method for enabling/disabling display data channel access to enable/disable high-bandwidth digital content protection
(4948
Messenger bag
Multi-bank queuing architecture for higher bandwidth on-chip memory buffer
Device and implantation system for electrical stimulation of biological systems
Image decolorizing device
  Randomly Featured Patents
Pin driver
Immersion process machine
Cadmium zinc telluride borehole detector
Air blowing tool for heat-shrinkable packing material
Securing transfer of ownership of a storage object from an unavailable owner node to another node
Methods of forming conductive components and methods of forming conductive lines
Proportional force input apparatus for an electronic device
Multi-level security software architecture
Content addressable memory architecture and circuits
Gas generation retarded aluminum powder for oil field cements