Patents by Inventor Carl E. Lindberg

Carl E. Lindberg 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).

  • Tubing connector
    Patent number: 4008972
    Abstract: A connector for joining a tool to a substantially rigid metal tubing, the connector comprising a substantially rigid cylindrical member having an outer diameter smaller than the inside diameter of the metal tubing, a tool fitting attached to one end of the cylindrical member and a tubularly shaped clamp which is maintained in a fixed position relative to the cylindrical member so that when the clamp is tightened, the connector is joined to the metallic tubing.
    Type: Grant
    Filed: September 30, 1974
    Date of Patent: February 22, 1977
    Assignee: Continental Oil Company
    Inventor: Carl E. Lindberg