Patents by Inventor Stefan Puller

Stefan Puller 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).

  • Publication number: 20180104924
    Abstract: An apparatus 10) and a method for manufacturing plastic bags (20) from at least two layers of plastic film (30, 40). The apparatus (10) comprises a lower tool plate (300) and an upper tool plate (400); the lower tool plate (300) is driven by a crank (650) on a servomotor (675). The servomotor (675) is connected to a measuring device (680) for measuring the power consumption.
    Type: Application
    Filed: December 15, 2017
    Publication date: April 19, 2018
    Inventors: Stefan Puller, Frank Lübeck, Sven-David Plate
  • Patent number: D551075
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: September 18, 2007
    Inventor: Stefan Puller