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Earl G. Brewer
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Warren, MI, US
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last 30 patents
Information
Patent Grant
Magnetostrictive composites
Patent number
5,993,565
Issue date
Nov 30, 1999
General Motors Corporation
Frederick Eugene Pinkerton
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetostrictive composites
Patent number
5,985,049
Issue date
Nov 16, 1999
General Motors Corporation
Frederick Eugene Pinkerton
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method to enhance the thermomechanical properties of hot-formed mag...
Patent number
5,395,458
Issue date
Mar 7, 1995
General Motors Corporation
Carlton D. Fuerst
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hot worked rare earth-iron-carbon magnets
Patent number
5,085,716
Issue date
Feb 4, 1992
General Motors Corporation
Carlton D. Fuerst
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Alloying low-level additives into hot-worked Nd-Fe-B magnets
Patent number
5,037,492
Issue date
Aug 6, 1991
General Motors Corporation
Earl G. Brewer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Coercivity in hot worked iron-neodymium boron type permanent magnets
Patent number
4,966,633
Issue date
Oct 30, 1990
General Motors Corporation
Earl G. Brewer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing laminated bodies comprising an RE-FE-B type ma...
Patent number
4,920,009
Issue date
Apr 24, 1990
General Motors Corporation
Robert W. Lee
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing anisotropic RE-FE-B type magnetically aligned...
Patent number
4,881,985
Issue date
Nov 21, 1989
General Motors Corporation
Earl G. Brewer
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Die-upset manufacture to produce high volume fractions of RE-Fe-B t...
Patent number
4,859,410
Issue date
Aug 22, 1989
General Motors Corporation
Earl G. Brewer
H01 - BASIC ELECTRIC ELEMENTS