Patents by Inventor Stefan Lindskoug

Stefan Lindskoug 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).

  • Piston rod seal
    Patent number: 4452042
    Abstract: In a piston rod seal of the type comprising a gland through which the piston rod is passed the piston is provided with a sleeve surrounding the piston rod and extending axially so as to axially partly overlap the gland when the piston is in its bottom dead center position.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: June 5, 1984
    Assignee: Mechanical Technology Incorporated
    Inventor: Stefan Lindskoug