Patents by Inventor Leo PETRAX

Leo PETRAX 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).

  • INTELLIGENT MOTOR BRAKE FOR A LENGTH/ANGLE SENSOR OF A CRANE
    Publication number: 20160145081
    Abstract: The invention relates to a length sensor, in particular a length/angle sensor (10) of a crane (1), having a rewinding system and having a reel and a cable that is wound onto the reel and can be unwound from the reel in order to detect a length, characterized in that the rewinding system comprises a controllable electric motor.
    Type: Application
    Filed: August 14, 2014
    Publication date: May 26, 2016
    Inventor: Leo PETRAX