Patents by Inventor Henry F. Estrada

Henry F. Estrada 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).

  • Changeable gauge railing truck
    Patent number: 3974780
    Abstract: Railway truck having side frames at a fixed lateral spacing with each side frame axle bearing support located between two track width locations to be accommodated, the side frames having universal-movement retaining mountings for replaceable rigid wheel-axle bearing units which provide mounting means for wheels inside the side frames for narrow gage track and mounting means for wheels outside the side frames for wide gage track and means for mounting brake disks at the same space location outside the side frames when wheels are located either inside or outside the side frames.
    Type: Grant
    Filed: July 8, 1974
    Date of Patent: August 17, 1976
    Assignee: The Budd Company
    Inventor: Henry F. Estrada