Patents by Inventor Alfred Krumpf

Alfred Krumpf 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).

  • Rail vehicle for a driving operation on track systems having a ballasted superstructure
    Patent number: 8646391
    Abstract: The invention relates to a rail vehicle for driving operation on track systems with ballast permanent way. The invention is to effectively avoid or at least significantly reduce an agglomeration of snow and ice in cavities of the vehicle underfloor. For this purpose it is provided that the rail vehicle in the region of its underfloor comprises at least one flexible membrane which spans hollow spaces which are positioned open towards the track systems or support frame structures of the underfloor of the rail vehicle.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: February 11, 2014
    Assignees: DB Fernverkehr AG, Siemens Aktiengesellschaft
    Inventors: Wolfgang Schmidt, Dieter Fastnacht, Alfred Krumpf, Juergen Kupies, Kasper Schroeder-Bodenstein, Maik Scholz
  • RAIL VEHICLE FOR A DRIVING OPERATION ON TRACK SYSTEMS HAVING A BALLASTED SUPERSTRUCTURE
    Publication number: 20120272858
    Abstract: The invention relates to a rail vehicle for driving operation on track systems with ballast permanent way. The invention is to effectively avoid or at least significantly reduce an agglomeration of snow and ice in cavities of the vehicle underfloor.
    Type: Application
    Filed: January 19, 2011
    Publication date: November 1, 2012
    Applicants: Siemens Aktiengesellschaft, DB Fernverkehr AG
    Inventors: Wolfgang Schmidt, Dieter Fastnacht, Alfred Krumpf, Juergen Kupies, Kasper Schroeder-Bodenstein, Maik Scholz