Boris V. Kostyrkin

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Nikoleav, SU

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for electrohydroblasting of castings
- Patent number 4,606,398
- Issue date Aug 19, 1986
- Valery V. Prikhodko
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for electrohydroblasting trimming of castings
- Patent number 4,493,961
- Issue date Jan 15, 1985
- Proektno-Konstructorskoe Bjuro Elektrogidravliki Adademii Nauk Ukrainskoi SSR
- Valery V. Prikhodko
- B08 - CLEANING
Information Patent Grant
Method for electrohydroblasting of castings
- Patent number 4,490,180
- Issue date Dec 25, 1984
- Proektno-Konstruktorskoe Bjuro Elektrogidravliki Akademii Nauk Ukrainskoi SSR
- Valery V. Prikhodko
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for stripping foundry moulds of casting
- Patent number 4,091,859
- Issue date May 30, 1978
- Boris Vladimirovich Kostyrkin
- B22 - CASTING POWDER METALLURGY