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Class Information
Number: 416/175
Name: Fluid reaction surfaces (i.e., impellers) > Diverse impellers or working members
Description: Apparatus comprising at least two impellers* or working members* which differ significantly in structure other than by size or orientation.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8690522 Multistage compressor with improved map width performance Apr. 8, 2014
8684686 Washer pump Apr. 1, 2014
8672614 Exhaust fan systems Mar. 18, 2014
8672630 Annular turbine ring rotor Mar. 18, 2014
8579575 Wind turbine Nov. 12, 2013
8556572 Wind power turbine Oct. 15, 2013
8459931 Turbo-molecular pump Jun. 11, 2013
8450872 Vertical wind power generator with automatically unstretchable blades May. 28, 2013
8414250 Geared turbine machine for a machine train, machine train with and gear for geared turbine machine Apr. 9, 2013
8397385 Method of configuring hollow helical wheels and their cages Mar. 19, 2013
8382426 High-speed air spindle Feb. 26, 2013
8376709 Impeller of a suction-enforced type and fan-motor having the same Feb. 19, 2013
8356971 Disc turbine with streamlined hub vanes and co-axial exhaust tube Jan. 22, 2013
8348606 Washer pump Jan. 8, 2013
8313282 Compact air-plus-liquid thermal management module Nov. 20, 2012
8267660 Fan module for dissipating heat Sep. 18, 2012
8257023 Fan blade Sep. 4, 2012
8235150 Pneumatic hybrid turbo transmission Aug. 7, 2012
8221069 Multi-blade fan Jul. 17, 2012
8206112 Cooling system for a wind turbine Jun. 26, 2012
8167571 Horizontal axis wind turbine rotor assembly with lifting body rotor blades May. 1, 2012
8152469 Annular turbine ring rotor Apr. 10, 2012
8128337 Omnidirectional vertical-axis wind turbine Mar. 6, 2012
8105010 Wind energy conversion apparatus Jan. 31, 2012
8066487 Fan shaft seat structure Nov. 29, 2011
8025490 Serial fan assembly and connection structure thereof Sep. 27, 2011
8021117 Impeller for supercharger and method of manufacturing the same Sep. 20, 2011
7997871 Impeller for a cooling fan Aug. 16, 2011
7988407 Axial fan Aug. 2, 2011
7963746 Turbine blade and gas turbine equipped with a turbine blade Jun. 21, 2011
7942071 Turbine for measuring petroleum products which are charged with a viscosity reduction agent May. 17, 2011
7938627 Woven turbomachine impeller May. 10, 2011
7931441 Inducer with tip shroud and turbine blades Apr. 26, 2011
7927075 Fan-turbine rotor assembly for a tip turbine engine Apr. 19, 2011
7921635 Peripheral combustor for tip turbine engine Apr. 12, 2011
7918645 Torque converter with brazed turbine Apr. 5, 2011
7874794 Blade row for a rotary machine and method of fabricating same Jan. 25, 2011
7828520 Fan Nov. 9, 2010
7828510 Fan Nov. 9, 2010
7789617 Impeller and diffuser with a rotating and converging hub Sep. 7, 2010
7762763 Vacuum pump Jul. 27, 2010
7670105 Drain pump, and air conditioner provided therewith Mar. 2, 2010
7607889 Turbine blade and gas turbine equipped with a turbine blade Oct. 27, 2009
7600963 Fluid energy converter Oct. 13, 2009
7594800 Ventilation assembly for wind turbine rotor hub Sep. 29, 2009
7585154 Centrifugal fan and impeller thereof Sep. 8, 2009
7572097 Impeller pump housing and impeller Aug. 11, 2009
7571620 Air conditioner Aug. 11, 2009
7500299 Method for introducing a deliberate mismatch on a turbomachine bladed wheel and bladed wheel with a deliberate mismatch Mar. 10, 2009
7497090 Air conditioner Mar. 3, 2009

1 2 3 4










 
 
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