Patents by Inventor Dag E. V. Nordin

Dag E. V. Nordin 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).

  • Method of connecting two ringformed elements
    Patent number: 4425699
    Abstract: A method of connecting a mechanical seal ring made of hard metal or ceramic to a supporting ring made of aluminum or stainless steel includes pressing the two rings against each other with such a force that the material of the supporting ring yields.
    Type: Grant
    Filed: January 19, 1981
    Date of Patent: January 17, 1984
    Assignee: ITT Industries, Inc.
    Inventor: Dag E. V. Nordin