Patents by Inventor Hartmut Poll

Hartmut Poll 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).

  • Patent number: 9242439
    Abstract: In an apparatus and a method for welding of workpiece layers, a feed device is activated with a predefined adjustment force without ultrasound activation and the sonotrode is advanced in the direction of an anvil. The adjustment force is subsequently reduced and the sonotrode is activated. The sonotrode can subsequently be deactivated and the adjustment force can be increased on the basis of a deactivation signal.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: January 26, 2016
    Assignee: MS SPAICHINGEN GMBH
    Inventors: Joachim Wein, Hartmut Poll, Elmar Noder, Clemens Balle