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Sergei B. Negrutsky

📍 Karaganda, KZ: #6 of 54 inventorsTop 15%
Overall (All Time): #1,671,450 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4856414 Viscoelastoplastic-sealant packed flexible power transmission cable for hydraulic actuator Vladimir G. Churkin, Sergei B. Klimov, Boris F. Negrutsky 1989-08-15
4712772 Power hydraulic gear Sergei B. Klimov, Boris F. Negrutsky, Vladimir G. Churkin 1987-12-15
4703835 Hoisting apparatus Vladimir G. Churkin, Mikhail I. Chunikhin 1987-11-03