Patents by Inventor Don J. Erickson

Don J. Erickson 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: 4830112
    Abstract: A method and apparatus of chemically inhibiting corrosion of a borehole and connected flowlines. A mixing tank receives flow from the chemical pump. The mixing device is connected to the borehole. A timer device operates to allow sequential flow to the mixing tank. The treatment fluid admixes with the formation fluid downhole.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: May 16, 1989
    Inventor: Don J. Erickson