Patents by Inventor Othmar Lehmann

Othmar Lehmann 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 having power limiter
    Patent number: 8606438
    Abstract: A rail vehicle includes a drive controller for providing required drive power for moving the rail vehicle forward. The drive controller is connected to a limiter module for limiting a drive power that can be demanded by a human-machine interface and the limiter module determines a maximum value for the drive power that can be demanded depending on running data of the rail vehicle.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: December 10, 2013
    Assignee: Siemens Aktiengesellschaft
    Inventor: Othmar Lehmann
  • RAIL VEHICLE HAVING POWER LIMITER
    Publication number: 20110315042
    Abstract: A rail vehicle includes a drive controller for providing required drive power for moving the rail vehicle forward. The drive controller is connected to a limiter module for limiting a drive power that can be demanded by a human-machine interface and the limiter module determines a maximum value for the drive power that can be demanded depending on running data of the rail vehicle.
    Type: Application
    Filed: February 19, 2010
    Publication date: December 29, 2011
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventor: Othmar Lehmann