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Angel Tonchev Balevski
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Sofia, BG
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Patents Grants
last 30 patents
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Patent Grant
Method of and apparatus for casting metals under pressure
Patent number
4,671,342
Issue date
Jun 9, 1987
Institute po Metaloznanie i Technologia NAMetalite
Angel T. Balevski
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Low-pressure or counterpressure casting apparatus
Patent number
4,153,100
Issue date
May 8, 1979
Institut Po Metaloznanie I Technologia Na Metalite
Angel T. Balevski
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of producing molded parts with a smooth noncellular skin and...
Patent number
4,092,385
Issue date
May 30, 1978
Institute po Metaloznanie i Technologia na Metalite
Angel Tonchev Balevski
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Machine for molding materials with a long solidification time, such...
Patent number
4,090,837
Issue date
May 23, 1978
Institute po Metaloznanie i Technologia na Metalite
Angel Tonchev Balevski
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for controlling the rate of filling of casting molds
Patent number
4,050,503
Issue date
Sep 27, 1977
Institute po Metaloznanie i Technologia na Metalite
Angel Tonchev Balevski
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for controlling the rate of filling of casting molds
Patent number
3,961,662
Issue date
Jun 8, 1976
Institut po Metaloznanie i Technologia na Metalite
Angel Tonchev Balevski
B22 - CASTING POWDER METALLURGY