Patents by Inventor John H. Short

John H. Short 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).

  • Variable speed cylinder assembly pressure seals
    Patent number: 4359930
    Abstract: A variable speed multi-cylinder assembly is provided with expandable bushing seals to block leakage of fluid from higher speed stages to lower speed stages.
    Type: Grant
    Filed: May 4, 1981
    Date of Patent: November 23, 1982
    Assignee: Western Gear Corporation
    Inventors: Robert M. Brown, John H. Short