Patents by Inventor Fredrik Schmiterlow

Fredrik Schmiterlow 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).

  • Oscillation sensitive vehicle motor control
    Patent number: 3937152
    Abstract: In a motor-driven rail vehicle, an arrangement is provided for sensing oscillations in the drive system occurring in a predetermined frequency range, and to reduce the torque of the motor if the oscillation amplitude sensed thereby exceeds a predetermined threshold value.
    Type: Grant
    Filed: October 18, 1973
    Date of Patent: February 10, 1976
    Assignee: Allmanna Svenska Elektriska Aktiebolaget
    Inventors: Lars-Olof Nilsson, Bo Soderberg, Fredrik Schmiterlow