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Arthur L. McGrew, JR.
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Indianapolis, IN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing squirrel-cage rotor
Patent number
8,181,333
Issue date
May 22, 2012
GM Global Technology Operations LLC
Timothy J. Alfermann
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing a stator assembly
Patent number
7,937,823
Issue date
May 10, 2011
GM Global Technology Operations LLC
Timothy J. Alfermann
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Permanent magnet machines with stator pole sections having differen...
Patent number
7,936,104
Issue date
May 3, 2011
GM Global Technology Operations LLC
Timothy J. Alfermann
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Stir-welded rotors and methods of making
Patent number
7,791,240
Issue date
Sep 7, 2010
GM Global Technology Operations, Inc.
Timothy J. Alfermann
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Contact assembly for attachment to an electronics module
Patent number
7,736,202
Issue date
Jun 15, 2010
GM Global Technology Operations, Inc.
Edward L. Kaiser
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cooling system for an electric motor
Patent number
7,705,495
Issue date
Apr 27, 2010
GM Global Technology Operations, Inc.
Timothy J. Alfermann
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Cooling system for a stator assembly
Patent number
7,479,716
Issue date
Jan 20, 2009
General Motors Corporation
Ahmed M. El-Antably
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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Patent Application
SPIN WELD METHOD OF MANUFACTURING INDUCTION ROTORS
Publication number
20110314660
Publication date
Dec 29, 2011
GM GLOBAL TECHNOLOGIES OPERATIONS, INC.
Timothy J. Alfermann
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
PERMANENT MAGNET MACHINE WITH CONICAL STATOR
Publication number
20100264768
Publication date
Oct 21, 2010
GM Global Technology Operations, Inc.
TIMOTHY J. ALFERMANN
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PERMANENT MAGNET MACHINES
Publication number
20100237736
Publication date
Sep 23, 2010
GM Global Technology Operations, Inc.
TIMOTHY J. ALFERMANN
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SQUIRREL-CAGE ROTORS AND METHODS OF MANUFACTURING SAME
Publication number
20100007234
Publication date
Jan 14, 2010
GM Global Technology Operations, Inc.
Timothy J. Alfermann
B22 - CASTING POWDER METALLURGY
Information
Patent Application
STIR-WELDED ROTORS AND METHODS OF MAKING
Publication number
20090026877
Publication date
Jan 29, 2009
Timothy J. Alfermann
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC