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David I. Yun
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Orange, CT, US
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last 30 patents
Information
Patent Grant
Metal matrix composites containing electrical insulators
Patent number
6,003,221
Issue date
Dec 21, 1999
Aluminum Company of America
Ralph R. Sawtell
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Incorporating partially sintered preforms in metal matrix composites
Patent number
5,775,403
Issue date
Jul 7, 1998
Aluminum Company of America
M. K. Premkumar
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Monolithic metal matrix composite
Patent number
5,746,267
Issue date
May 5, 1998
Aluminum Company of America
David I. Yun
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Metal matrix composites containing electrical insulators
Patent number
5,616,421
Issue date
Apr 1, 1997
Aluminum Company of America
Ralph R. Sawtell
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Fabricating metal matrix composites containing electrical insulators
Patent number
5,570,502
Issue date
Nov 5, 1996
Aluminum Company of America
Ralph R. Sawtell
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Coated ceramic bodies in composite armor
Patent number
5,361,678
Issue date
Nov 8, 1994
Aluminum Company of America
Brijmohan J. Roopchand
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Fabrication of metal matrix composites by vacuum die casting
Patent number
5,259,436
Issue date
Nov 9, 1993
Aluminum Company of America
David I. Yun
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Partitioned receptacle for distributing molten metal from a spout t...
Patent number
5,255,731
Issue date
Oct 26, 1993
Aluminum Company of America
David I. Yun
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Partitioned receptacle for distributing molten metal from a spout t...
Patent number
5,207,974
Issue date
May 4, 1993
Aluminum Company of America
David I. Yun
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Formation of ceramic-metal composite by pressure casting and oxidat...
Patent number
5,194,202
Issue date
Mar 16, 1993
Aluminum Company of America
David I. Yun
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Production of metal matrix composites reinforced with polymer fibers
Patent number
5,085,945
Issue date
Feb 4, 1992
Aluminum Company of America
David I. Yun
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Metal recovery from dross
Patent number
4,772,320
Issue date
Sep 20, 1988
Aluminum Company of America
Jan H. L. van Linden
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...