Patents by Inventor Johannes Hocht

Johannes Hocht 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).

  • Method and apparatus for controlling a drive in a machine tool
    Patent number: 5883482
    Abstract: A method and apparatus for controlling the output to a drive for moving a workpiece and/or tool along a defined path in a machine tool. The drive output can be modified according to a periodic controlling variable or a periodic disturbance variable. The defined path of the workpiece is divided into equidistant subdivisions and a control deviation corresponding to each subdivision of the defined path is determined and stored. A control variable is derived from the control deviation and utilized to control the drive output.
    Type: Grant
    Filed: March 6, 1996
    Date of Patent: March 16, 1999
    Assignee: The Gleason Works
    Inventors: Johannes Hocht, Bernhard Leicht