Patents by Inventor Arnt T. Olsen

Arnt T. Olsen 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).

  • Patent number: 5128012
    Abstract: The present invention relates to an arrangement for closing the top of a Soderberganode used in an electrolytic cell for production of aluminum. The anode comprises an anode casing and vertical contact bolts for holding and for conducting electric current to the anode. The top of the anode is closed by means of at least one central cover having openings for the contact bolts and at least one side cover which can be opened in order to charge anode paste to the anode.
    Type: Grant
    Filed: March 26, 1991
    Date of Patent: July 7, 1992
    Assignee: Elkem Aluminium ANS
    Inventor: Arnt T. Olsen
  • Patent number: 5030335
    Abstract: The present invention relates to an arrangement for gas collection in electrolytic aluminium reduction furnaces equipped with Soderberg anode. The arrangement comprises a plurality of liftable cover plates 8-11 which cover the complete area between the sidewalls of the furnace and the anode casing 2. The cover plates 8-11 are gas tight sealed against the circumference of the anode casing 2 and against the furnace sidewalls 7. The cover plates 8-11 are on their upper side equipped with a plurality of ribs 12. A channel 13 comprising of a lower plate 14, and inclined plate 15 and an upper plate 16 is inserted in recesses in the ribs 12.
    Type: Grant
    Filed: April 20, 1990
    Date of Patent: July 9, 1991
    Assignee: Elkem Aluminium ANS
    Inventor: Arnt T. Olsen