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Erwin Rudy
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Beaverton, OR, US
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last 30 patents
Information
Patent Grant
Cemented carbides containing hexagonal molybdenum
Patent number
4,139,374
Issue date
Feb 13, 1979
Teledyne Industries, Inc.
Stephen W. H. Yih
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cemented carbide-steel composites for earthmoving and mining applic...
Patent number
4,101,318
Issue date
Jul 18, 1978
Erwin Rudy
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Carbide compositions for wear-resistant facings and method of fabri...
Patent number
4,066,451
Issue date
Jan 3, 1978
Erwin Rudy
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cemented carbides containing hexagonal molybdenum
Patent number
4,049,380
Issue date
Sep 20, 1977
Teledyne Industries, Inc.
Stephen Wei Hong Yih
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sintered cermets for tool and wear applications
Patent number
4,022,584
Issue date
May 10, 1977
Erwin Rudy
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Sintered carbonitride tool materials
Patent number
3,994,692
Issue date
Nov 30, 1976
Erwin Rudy
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Spinodal carbonitride alloys for tool and wear applications
Patent number
3,971,656
Issue date
Jul 27, 1976
Erwin Rudy
B22 - CASTING POWDER METALLURGY