Ingenjorsfirman R. Ohrnell AB

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Karlstad, SW

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Patents Grantslast 30 patents

Information Patent Grant
Device for sensing exerted load on a rope, wire, or the like
- Patent number 4,120,197
- Issue date Oct 17, 1978
- Ingenjorsfirman R. Ohrnell AB
- Kurt E. Johansson
- G01 - MEASURING TESTING
Information Patent Grant
Cleaning device for cavities preferably in chill moulds for steel i...
- Patent number 4,057,871
- Issue date Nov 15, 1977
- Ingenjorsfirman R. Ohrnell AB
- Walter Emil Erich Heydorn
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Device for the removal of castings from chill moulds
- Patent number 4,058,156
- Issue date Nov 15, 1977
- Ingenjorsfirman R. Ohrnell AB
- Magnus Gustav Georg Tiberg
- B22 - CASTING POWDER METALLURGY