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Gunnar Halvorsen
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Kristiansand S, NO
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Patents Grants
last 30 patents
Information
Patent Grant
Multicrystalline silicon ingots, silicon masteralloy, method for in...
Patent number
10,693,031
Issue date
Jun 23, 2020
REC SOLAR NORWAY AS
Gunnar Halvorsen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Multicrystalline silicon ingots, silicon masteralloy, method for in...
Patent number
10,483,428
Issue date
Nov 19, 2019
REC SOLAR NORWAY AS
Gunnar Halvorsen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
High strength, oxidation and wear resistant titanium-silicon based...
Patent number
9,388,481
Issue date
Jul 12, 2016
Elkem AS
Georg Frommeyer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for grain refining of aluminum and grain refining alloy
Patent number
5,582,791
Issue date
Dec 10, 1996
Elkem Aluminum ANS
Lars Arnberg
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Grain refining alloy and a method for grain refining of aluminum an...
Patent number
5,424,031
Issue date
Jun 13, 1995
Elkem Aluminium ANS
Lars Arnberg
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
MULTICRYSTALLINE SILICON INGOTS, SILICON MASTERALLOY, METHOD FOR IN...
Publication number
20180309014
Publication date
Oct 25, 2018
REC Solar Norway AS
Gunnar HALVORSEN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
MULTICRYSTALLINE SILICON INGOTS, SILICON MASTERALLOY, METHOD FOR IN...
Publication number
20160225937
Publication date
Aug 4, 2016
ELKEM SOLAR AS
Gunnar HALVORSEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH STRENGTH, OXIDATION AND WEAR RESISTANT TITANIUM-SILICON BASED...
Publication number
20150118099
Publication date
Apr 30, 2015
ELKEM AS
Georg Frommeyer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
High strength, oxidation and wear resistant titanium-silicon base a...
Publication number
20060013721
Publication date
Jan 19, 2006
ELKEM ASA NORWEIGAN CORPORATION
Georg Frommeyer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...