Patents by Inventor John C. Jepsen

John C. Jepsen 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: 4516986
    Abstract: A method and apparatus for withdrawing with a minimum pressure loss a portion of a fluid flowing in a main line wherein the fluid comprises a vapor-liquid mixture. The apparatus uses a flow restriction in the main line with the portion being withdrawn from the low pressure area of the flow restriction. The flow restriction includes means for removing liquid from the flow and combining a metered amount of the liquid with the portion of the flow that is removed from the main line.
    Type: Grant
    Filed: March 29, 1984
    Date of Patent: May 14, 1985
    Assignee: Shell Oil Company
    Inventor: John C. Jepsen