Patents by Inventor Leo Persson

Leo Persson 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).

  • Opening device and method for manufacturing the same, and a packaging container provided with said opening device
    Patent number: 8616400
    Abstract: An opening device for a packaging container comprises two operational parts: a membrane part ensuring a secure seal of the packaging container and a support part ensuring rigidity for the opening device. The opening device is characterized in that a membrane portion of the membrane part is mechanically attached to the support part to operate as one piece during opening of the packaging container, and the materials of the membrane part and the support part are thermally incompatible.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: December 31, 2013
    Assignee: Tetra Laval Holdings & Finance S.A.
    Inventors: Leo Persson, Anders Danielsson, Joakim Tuvesson, Pär Andersson, Håkan Hansson, Klaus Specht, Urban Lundmark
  • OPENING DEVICE AND METHOD FOR MANUFACTURING THE SAME, AND A PACKAGING CONTAINER PROVIDED WITH SAID OPENING DEVICE
    Publication number: 20120270012
    Abstract: An opening device for a packaging container comprises two operational parts: a membrane part ensuring a secure seal of the packaging container and a support part ensuring rigidity for the opening device. The opening device is characterized in that a membrane portion of the membrane part is mechanically attached to the support part to operate as one piece during opening of the packaging container, and the materials of the membrane part and the support part are thermally incompatible.
    Type: Application
    Filed: December 10, 2010
    Publication date: October 25, 2012
    Applicant: Tetra Laval Holdings & Finance S.A.
    Inventors: Leo Persson, Anders Danielsson, Joakim Tuvesson, Pär Andersson, Håkan Hansson, Klaus Specht, Urban Lundmark