Inventor

Ayman Mohamed Fawzi El-Refaie

Inventor
Niskayuna, NY, US

Overview

45→
Patents
2009–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 45 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Kprimary
H02KDynamo-electric machines37%
Y10TTechnical subjects covered by former us classification13%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters12%
Y02TClimate change mitigation technologies related to transportation3%
B01DSeparation2%
B05DProcesses for applying fluent materials to surfaces, in general2%
B22DCasting of metals2%
C21DModifying the physical structure of ferrous metals2%
C22CAlloys2%
C23CCoating metallic material2%
PatentTitleYear
10,749,385Dual magnetic phase material rings for AC electric machines202010,662,953Fluid extraction system and related method of controlling operating speeds of electric machines thereof202010,396,615Electric machine stator lamination with dual phase magnetic material201910,288,074Control sub-system and related method of controlling electric machine in fluid extraction system201910,229,777Graded magnetic component and method of forming201910,229,776Multi-phase magnetic component and method of forming201910,014,751Electrical machine cooling structure20189,966,897System and method for heating ferrite magnet motors for low temperatures20189,906,108'Sensorless electric machine'20189,871,418'Sensorless electric machine'20189,796,364'Apparatus and method for advanced anti-skid brake and traction controls'20179,780,716'High power-density, high back emf permanent magnet machine and method of making same'20179,742,228'Torque ripple reduction in electric machines'20179,698,660'System and method for heating ferrite magnet motors for low temperatures'20179,685,900'Low-inductance, high-efficiency induction machine and method of making same'20179,673,667'System and method for preventing stator permanent magnet demagnetization during vacuum pressure impregnation'20179,602,043'Magnet management in electric machines'20179,543,883'Low-inductance, high-efficiency induction machine and method of making same'20179,520,751'System and method for smoothing a salient rotor in electrical machines'20169,438,077'Electric machine rotor bar and method of making same'20169,373,984'Electrical machine'20169,287,742'Spoke permanent magnet machine with reduced torque ripple and method of manufacturing thereof'20169,118,271'System and method for non-sinusoidal current waveform excitation of electrical generators'20159,093,878'Sensorless electric machine'20158,901,896'System and method for non-sinusoidal current waveform excitation of electrical generators'20148,633,627'Electric machine'20148,587,164'High power-density, high efficiency, non-permanent magnet electric machine'20138,487,489'Apparatus for cooling an electric machine'20138,466,589'Stator and method of assembly'20138,410,656'Segmented stator assembly'20138,310,115'High power-density, high efficiency, non-permanent magnet electric machine'20128,274,190'Electric machine rotor bar and method of making same'20128,229,682'Apparatus and method for bearing condition monitoring'20128,222,787'Electric machine'20128,222,855'System and method for non-sinusoidal current waveform excitation of electrical machines'20128,115,434'High-speed self-cascaded electric machine'20128,063,527'Gas turbine engine assembly including dual sided/dual shaft electrical machine'20118,018,110'High speed internal permanent magnet machine and method of manufacturing the same'20118,004,140'Dovetail spoke internal permanent magnet machine'20117,994,668'Cooling system for rotating machine'20117,791,237'Fault-tolerant synchronous permanent magnet machine'20107,750,521'Double-sided starter/generator for aircrafts'20107,652,404'Synchronous reluctance machine'20107,622,817'High-speed high-pole count generators'20097,504,754'Rotor having multiple permanent-magnet pieces in a cavity'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2020Patents assigned to GEN ELECTRIC (42)· patent assignee history
2009–2020Based in Niskayuna, NY, US· patent location history
2009Based in Madison, WI, US· patent location history
2011–2017Patents assigned to EL-REFAIE AYMAN MOHAMED FAWZI (17)· patent assignee history
2012–2017Patents assigned to KING ROBERT DEAN (11)· patent assignee history
2012–2014Patents assigned to EL-ANTABLY AHMED MOSTAFA (3)· patent assignee history
2013–2016Patents assigned to ALEXANDER JAMES PELLEGRINO (4)· patent assignee history
2020Based in Milwaukee, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC422009–2020
EL-REFAIE AYMAN MOHAMED FAWZIself172011–2017
KING ROBERT DEAN112012–2017
ALEXANDER JAMES PELLEGRINO42013–2016
EL-ANTABLY AHMED MOSTAFA32012–2014
Locations
LocationPatentsSpan
Niskayuna, New York, US432009–2020
Milwaukee, WI, US12020
Madison, WI, US12009