Øystein Grong

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Patents Grantslast 30 patents

Information Patent Grant
Grain refiners for steel-manufacturing methods and use
- Patent number 9,108,242
- Issue date Aug 18, 2015
- Sinvent AS
- Øystein Grong
- C21 - METALLURGY OF IRON
Information Patent Grant
Grain refiners for steel-manufacturing methods and use
- Patent number 8,486,175
- Issue date Jul 16, 2013
- Sinvent AS
- Øystein Grong
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for grain refining of steel, grain refining alloy for steel...
- Patent number 7,226,493
- Issue date Jun 5, 2007
- Elkem ASA
- Oystein Grong
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
GRAIN REFINERS FOR STEEL-MANUFACTURING METHODS AND USE
- Publication number 20130305880
- Publication date Nov 21, 2013
- Oystein GRONG
- C21 - METALLURGY OF IRON
Information Patent Application
Grain Refiners for Steel-Manufacturing Methods and Use
- Publication number 20090211400
- Publication date Aug 27, 2009
- Sinvent AS
- Oystein Grong
- C21 - METALLURGY OF IRON
Information Patent Application
System for balancing a two-wheeled vehicle at rest
- Publication number 20030010554
- Publication date Jan 16, 2003
- Oystein Grong
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS