Knut Johansen

Follow

Person

Kristiansand, NO

People

Patents Grantslast 30 patents

Information Patent Grant
Zirconia-alumina ceramic materials
- Patent number 8,927,446
- Issue date Jan 6, 2015
- Aktiebolaget SKF
- Lars Kahlman
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for reinforcing and repairing equipment parts and components...
- Patent number 5,388,317
- Issue date Feb 14, 1995
- Elkem A/s
- Knut H. Johansen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Combined structures of ceramic materials and super concrete
- Patent number 5,135,576
- Issue date Aug 4, 1992
- Elkem als
- Knut Johansen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES