Patents by Inventor Johan Gramtorp

Johan Gramtorp 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).

  • Plant for track-based detection of the wheel profile of train wheels
    Patent number: 5247338
    Abstract: An apparatus or system for a track-based detection of a wheel profile of passing train wheels, with the apparatus including an illumination unit with a light source and optical elements which transmit light towards a profile of the train wheels. An illumination area of the wheel profile is scanned with a scanning unit and a position of the wheel relative to the rail is scanned with a measuring unit. A data processing unit processes the data from the scanning unit relating to a condition of the wheel and a further unit is provided for transmitting the data concerning the condition of the wheels to at least a central processing unit.
    Type: Grant
    Filed: October 11, 1991
    Date of Patent: September 21, 1993
    Assignee: Caltronis A/S
    Inventors: Ulrik Danneskiold-Samsoe, Johan Gramtorp, Anders-Haure Torben Madsen, Torben-Madsen Anders Haure