Patents by Inventor Franz Plasser

Franz Plasser 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 treating apparatus
    Patent number: 3976142
    Abstract: In a ballast cleaning apparatus, wherein ballast is removed from underneath a track section, cleaned and returned, clean ballast is stored so that additional amounts of clean ballast may be selectively delivered under the track/or to the cribs.
    Type: Grant
    Filed: December 10, 1970
    Date of Patent: August 24, 1976
    Assignee: Franz Plasser Bahnbaumaschinen-Industrie Gesellschaft m.b.H.
    Inventors: Franz Plasser, Josef Theurer, Karl Folser
  • Ballast treating method
    Patent number: 3957000
    Abstract: In a ballast cleaning method and apparatus, wherein ballast is removed from underneath a track section, cleaned and returned, clean ballast is stored so that additional amounts of clean ballast may be selectively delivered under the track and/or to the cribs.
    Type: Grant
    Filed: March 14, 1975
    Date of Patent: May 18, 1976
    Assignee: Franz Plasser Bahnbaumaschinen-Industrie-Gesellschaft m.b.H.
    Inventors: Franz Plasser, Josef Theurer, Karl Folser