Patents by Inventor Josef Theuerer

Josef Theuerer 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).

  • Ballast tamping machine, and method of tamping ballast under a track
    Patent number: 5706734
    Abstract: A tamping assembly for use in a tamping machine for compacting ballast under a group of neighboring ties of a track, includes tool carriers in spaced-apart relationship in direction of the track and vertically adjustable independently from one another, with one tool carrier including three tamping tools spaced from each other in direction of the track, and with a second tool carrier including two tamping tools spaced from each other in direction of the track wherein each of the tamping tools of the first and second tool carriers is formed with a tamping pick for immersion into the ballast.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: January 13, 1998
    Assignee: Franz Plasser Bahnbaumaschinen Industriegesellschaft m.b.H.
    Inventor: Josef Theuerer