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Class Information
Number: 416/223R
Name: Fluid reaction surfaces (i.e., impellers) > Specific blade structure (e.g., shape, material, etc.)
Description:










Sub-classes under this class:

Class Number Class Name Patents
416/231R Apertured or permeable 109
416/239 Blade cuff or shank construction 91
416/238 Cantilever blade 181
416/241R Coating, specific composition or characteristic 898
416/243 Concave surface 304
416/240 Flexible 136
416/226 Formed with main spar 272
416/225 Having spanwise compression means 29
416/224 Having wear liner, sheathing or insert 330
416/232 Hollow 155
416/234 Integrally shaped or blended into hub 129
416/235 Irregular, flanged or channel forming blade surface 168
416/229R Laminated, embedded member or encased material 263
416/227R Openwork (e.g., lattice, looped, etc.) 48
416/223B Radial flow devices 184
416/242 Reverse curve surface 147
416/228 Tined or irregular periphery 362
416/223A Turbo machine 375


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8678770 Optimised layout for wind turbine rotor blades Mar. 25, 2014
8672620 Air turbine starter turbine nozzle airfoil Mar. 18, 2014
8672634 Electroformed conforming rubstrip Mar. 18, 2014
8672637 Air turbine starter turbine blade airfoil Mar. 18, 2014
8672638 Air turbine starter Mar. 18, 2014
8647069 Optimized aerodynamic profile for a turbine blade, in particular for a rotary wheel of the fourth stage of a turbine Feb. 11, 2014
8647072 Component comprising a resin matrix Feb. 11, 2014
8647068 Blade tip for a rotor blade of a wind turbine and a method of inserting the blade tip into a rotor blade Feb. 11, 2014
8647067 Banked platform turbine blade Feb. 11, 2014
8647063 Multi-element blade with aerodynamic profiles Feb. 11, 2014
8632313 Turbine rotor blade Jan. 21, 2014
8616851 Multi-alloy article, and method of manufacturing thereof Dec. 31, 2013
8613138 Repair of integrally bladed rotors Dec. 24, 2013
8607455 Method for the production of coated turbine moving blades and moving-blade ring for a rotor of an axial-throughflow turbine Dec. 17, 2013
8602739 Wind turbine rotor blade and pitch regulated wind turbine Dec. 10, 2013
8596958 Cross-flow fan and air conditioner equipped with same Dec. 3, 2013
8591194 Steam turbine rotor blade assembly Nov. 26, 2013
8573936 Blade for turbomachine receiving part, comprising an airfoil part including a mechanical fuse Nov. 5, 2013
8568103 Wind turbine rotor blade Oct. 29, 2013
8529211 Wind turbine rotor blade and airfoil section Sep. 10, 2013
8512002 Method of manufacturing an aerofoil Aug. 20, 2013
8510926 Method for repairing a gas turbine engine component Aug. 20, 2013
8510947 Turbine blade fabrication Aug. 20, 2013
8506255 Rotor blade for a wind turbine Aug. 13, 2013
8468826 Axial turbine wheel Jun. 25, 2013
8470425 Composite cores and panels Jun. 25, 2013
8464426 Gas turbine engine airfoil Jun. 18, 2013
8459956 Curved platform turbine blade Jun. 11, 2013
8453445 Axial turbine with parallel flow compressor Jun. 4, 2013
8453448 Axial turbine Jun. 4, 2013
8449261 Blade for an axial compressor and manufacturing method thereof May. 28, 2013
8446033 Savonius rotor wind power generator system and method May. 21, 2013
8439646 Engine blade with excessive leading edge loading May. 14, 2013
8439645 High pressure turbine blade airfoil profile May. 14, 2013
8430637 Semi-rigid wind blade Apr. 30, 2013
8426765 Method and apparatus for welding workpieces of high-temperature superalloys Apr. 23, 2013
8419371 Wind turbine blades with twisted and tapered tips Apr. 16, 2013
8419372 Airfoil having reduced wake Apr. 16, 2013
8419373 Wind turbine blade, wind turbine generator equipped with wind turbine blade and method of designing wind turbine blade Apr. 16, 2013
8408877 Wind turbine blades with twisted tips Apr. 2, 2013
8393870 Turbine blade airfoil Mar. 12, 2013
8389104 Composite cores and panels Mar. 5, 2013
8387245 Components with re-entrant shaped cooling channels and methods of manufacture Mar. 5, 2013
8382438 Blade of a turbomachine with enlarged peripheral profile depth Feb. 26, 2013
8360719 Fan Jan. 29, 2013
8360729 Blade, impeller, turbo fluid machine, method and apparatus for manufacturing blade Jan. 29, 2013
8360730 Turbine wheel with backswept inducer Jan. 29, 2013
8356982 Reversible system for dividing aerogenerator blades into several parts Jan. 22, 2013
8348593 Serial axial fan Jan. 8, 2013
8348622 Wind turbine blades made of two separate sections, and method of assembly Jan. 8, 2013

1 2 3 4 5 6 7 8 9 10 11 12










 
 
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