Patents by Inventor Ola Schiefloe Raaness

Ola Schiefloe Raaness has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and agglomerates for production of FeSi
    Patent number: 5851264
    Abstract: In the production of ferrosilicon in an electric reduction furnace by the reaction of iron-containing, silica-containing and carbonaceous materials, agglomerates containing a substantially homogeneous mixture of iron or a reducible iron compound and a carbonaceous material are used to replace at least a portion of the iron-containing materials in the furnace. These agglomerates have a weight ratio of carbon to iron of 0.2:1 to 1.5:1 in their reduced form after reaction in the furnace.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: December 22, 1998
    Assignee: Sinvent AS
    Inventor: Ola Schiefloe Raaness