Patents by Inventor Jarie-Erland Herstad

Jarie-Erland Herstad 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: 8406268
    Abstract: In an embodiment, an electrode holder assembly (100) includes a current delivery base (105) having an interface (204) sufficiently designed to distribute an electrical current; a buss plate (200) sufficiently designed to provide the electrical current to the current delivery base (105); a shoe-ring assembly having: a plurality of electrical shoes (120), wherein the electrical current from the current delivery base (105) is distributed to the plurality of electrical shoes (120) for distribution to an electrode (400); a plurality of dual stroke cylinders (190); and a mounting ring (220); and a hydraulic assembly (300) including a grip ring (310) having an opening sufficiently designed to engage an outer surface of the electrode (400); a pressurizing cylinder (320) sufficiently designed to constrict and relax the grip ring (310); and at least one dual stroke cylinder (330) sufficiently designed to control horizontal movement of the grip ring (310) and the electrode (400).
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: March 26, 2013
    Assignee: Alcoa Inc.
    Inventors: Gerald E. Carkin, Jarie-Erland Herstad, Joseph Lepish
  • Publication number: 20120140788
    Abstract: In an embodiment, an electrode holder assembly (100) includes a current delivery base (105) having an interface (204) sufficiently designed to distribute an electrical current; a buss plate (200) sufficiently designed to provide the electrical current to the current delivery base (105); a shoe-ring assembly comprising: a plurality of electrical shoes (120), wherein the electrical current from the current delivery base (105) is distributed to the plurality of electrical shoes (120) for distribution to an electrode (400); a plurality of dual stroke cylinders (190); and a mounting ring (220); and a hydraulic assembly (300) comprising a grip ring (310) having an opening sufficiently designed to engage an outer surface of the electrode (400); a pressurizing cylinder (320) sufficiently designed to constrict and relax the grip ring (310); and at least one dual stroke cylinder (330) sufficiently designed to control horizontal movement of the grip ring (310) and the electrode (400).
    Type: Application
    Filed: March 31, 2009
    Publication date: June 7, 2012
    Inventors: Gerald E. Carkin, Jarie-Erland Herstad, Joseph Lepish