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Class Information
Number: 416/132R
Name: Fluid reaction surfaces (i.e., impellers) > Articulated, resiliently mounted or self-shifting impeller or working member > Sectional, staged or nonrigid working member
Description:










Sub-classes under this class:

Class Number Class Name Patents
416/132A Flexible sheet or plate 76
416/132B Windmills 256


Patents under this class:

Patent Number Title Of Patent Date Issued
8647059 Pneumatic actuator system for a rotating blade Feb. 11, 2014
8510947 Turbine blade fabrication Aug. 20, 2013
8469663 Transfer of kinetic energy to and from fluids Jun. 25, 2013
8430636 Wind turbine rotor assembly Apr. 30, 2013
8143740 Apparatus for storing and using wind energy Mar. 27, 2012
8043053 Self locking trim tab Oct. 25, 2011
8021114 Self-adjusting wind turbine generator blade Sep. 20, 2011
7850429 Helicopter rotor Dec. 14, 2010
7841831 Asymmetrically changing rotating blade shape (ACRBS) propeller and its airplane and wind turbine applications Nov. 30, 2010
7708257 Apparatus for treating solids May. 4, 2010
7270513 Apparatus and method for generating power from moving water Sep. 18, 2007
7156612 Spigot arrangement for a split impeller Jan. 2, 2007
7101153 Fabric fan blade and fan body trim Sep. 5, 2006
7083383 Segmented rotor blade trim tab Aug. 1, 2006
7008187 Rotor for cooling pumps, in particular for marine engines and relevant manufacturing process Mar. 7, 2006
6988873 Monodirectional impeller with flexible vanes Jan. 24, 2006
6312223 Marine propeller Nov. 6, 2001
6182929 Load carrying structure having variable flexibility Feb. 6, 2001
6065936 Axial fan, method of manufacturing impeller for axial fan, and mold for manufacturing impeller for axial fan May. 23, 2000
6015263 Fluid moving device and associated method Jan. 18, 2000
6015258 Wind turbine Jan. 18, 2000
5993158 Method and apparatus for aeration using flexible blade impeller Nov. 30, 1999
5931639 Helicopter blade assembly adapted to permit rapid forward flight Aug. 3, 1999
5877566 Submersible magnetic motor having improved rotary blades Mar. 2, 1999
5784978 Wind energy catchment device Jul. 28, 1998
5505589 Controllable variable twist rotor blade assembly Apr. 9, 1996
5284419 Propeller with blades which can be twisted Feb. 8, 1994
5263846 Self-actuated rotor system Nov. 23, 1993
5207558 Thermally actuated vane flow control May. 4, 1993
4884948 Deflectable blade assembly for a prop-jet engine and associated method Dec. 5, 1989
4802823 Stress relief support structures and assemblies Feb. 7, 1989
4720242 Centrifugal pump impeller Jan. 19, 1988
4650400 Helicopter blade pitch adjusting system Mar. 17, 1987
4627791 Aeroelastically responsive composite propeller Dec. 9, 1986
4547125 Wind turbine Oct. 15, 1985
4537143 Apparatus for the stabilizing of the direction of travel of watercraft, specifically a sword or fin for sailboards Aug. 27, 1985
4533849 Ceramic bistable deflection element Aug. 6, 1985
4480956 Turbine rotor blade for a turbomachine especially a gas turbine engine Nov. 6, 1984
4462755 Anvil-strap rotor Jul. 31, 1984
4393650 Gas turbine engine having an automatic ice shedding spinner Jul. 19, 1983
4334824 Flexible fan device Jun. 15, 1982
4197057 Fan assembly Apr. 8, 1980
4143536 Method of correcting rotational speed of screw propeller Mar. 13, 1979
4137010 Constant lift rotor for a heavier than air craft Jan. 30, 1979
4130377 Helicopter blade and rotor Dec. 19, 1978
4028003 Torsionally compliant helicopter rotor blade with improved stability and performance characteristics Jun. 7, 1977
3958905 Centrifugal compressor with indexed inducer section and pads for damping vibrations therein May. 25, 1976











 
 
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