Vitaly N. Krupenik

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Kharkov, SU

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Patents Grantslast 30 patents

Information Patent Grant
Electric spark building-up of metal on the working surface of rolls
- Patent number 4,292,494
- Issue date Sep 29, 1981
- Igor S. Trishevsky
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Continuous casting withdrawal apparatus
- Patent number 4,139,135
- Issue date Feb 13, 1979
- Vitaly N. Krupenik
- B22 - CASTING POWDER METALLURGY