Patents by Inventor Helmut Gruteser

Helmut Gruteser 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).

  • Apparatus for monitoring and measuring the quality of rail wheel still mounted beneath a rail vehicle without directly contacting the rail wheels
    Patent number: 4798963
    Abstract: The quality of rail wheels still attached to a rail vehicle or removed from the rail vehicle, is automatically monitored and measured for correction purposes as a rail vehicle or even an entire train passes through a measuring range. The measuring range includes auxiliary rails providing a running or reference plane, at least one diameter sensing device and at least one wheel tread profile quality sensing device. Both sensing devices can perform their function while a wheel or wheels are travelling through the measuring range. Signals provided by the sensing devices are supplied to signal processing and evaluating circuits which may provide a signal record and/or control signals for a wheel truing operation.
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: January 17, 1989
    Assignee: Wilhelm Hegenscheidt Gesellschaft mbH
    Inventors: Helmut Wittkopp, Helmut Gruteser, Wilfred Coenen, Walter Elschenbroich