Patents by Inventor Juergen Schwald

Juergen Schwald 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: 6988829
    Abstract: Bag for wrapping food items, in particular breed, rolls, and snacks, made of a composite material having at least one first layer made of a material containing cellulose and a second layer made of plastic; the first layer has a specific weight of 15 to 50 g/m2, preferably from 15 to 40 g/m2, and the second layer is from 6 to 20 ?m thick. The composite material is perforated, and the ratio of open surface area to total surface area of the composite material is between 1/50 and 1/250, and the first layer made of material containing cellulose is interrupted in at least one area for the purpose of inclusion of a window. The window is perforated.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: January 24, 2006
    Assignee: BMS Papier Concept GmbH
    Inventors: Frank Bareis, Juergen Schwald
  • Publication number: 20040146225
    Abstract: Bag for wrapping food items, in particular breed, rolls, and snacks, made of a composite material having at least one first layer made of a material containing cellulose and a second layer made of plastic; the first layer has a specific weight of 15 to 50 g/m2, preferably from 15 to 40 g/m2, and the second layer is from 6 to 20 &mgr;m thick. The composite material is perforated, and the ratio of open surface area to total surface area of the composite material is between 1/50 and 1/250, and the first layer made of material containing cellulose is interrupted in at least one area for the purpose of inclusion of a window. The window is perforated.
    Type: Application
    Filed: November 12, 2003
    Publication date: July 29, 2004
    Inventors: Frank Bareis, Juergen Schwald