Walter SPRUZINA

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Patents Grantslast 30 patents

Information Patent Grant
Drill string component with high corrosion resistance, and method f...
- Patent number 12,365,960
- Issue date Jul 22, 2025
- Voestalpine BOHLER Edelstahl GmbH & Co.
- Rainer Fluch
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
DRILL STRING COMPONENT WITH HIGH CORROSION RESISTANCE, AND METHOD F...
- Publication number 20220033924
- Publication date Feb 3, 2022
- voestalpine BÖHLER Edelstahl GmbH & Co KG
- Rainer FLUCH
- C21 - METALLURGY OF IRON