Patents by Inventor Uwe Stockhelm

Uwe Stockhelm 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).

  • Plastic planar structure comprising a foamed upper layer
    Patent number: 7776431
    Abstract: A plastic planar structure, comprising: a bearing layer which contains plastic foam; and an upper layer, also containing plastic foam, which adheres on the bearing layer in a material lock, and a method for manufacturing a plastic planar structure, wherein: a foamed or foamable first plastic material of a web-shaped or mat-shaped bearing layer is provided, onto which a foamable second plastic material is applied, and foamed.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: August 17, 2010
    Assignee: Derin Holzapfel & Co. Grundbesitz und Beteiligungs KG
    Inventor: Uwe Stockhelm
  • Plastic planar structure comprising a foamed upper layer
    Publication number: 20070184258
    Abstract: A plastic planar structure, comprising: a bearing layer which contains plastic foam; and an upper layer, also containing plastic foam, which adheres on the bearing layer in a material lock, and a method for manufacturing a plastic planar structure, wherein: a foamed or foamable first plastic material of a web-shaped or mat-shaped bearing layer is provided, onto which a foamable second plastic material is applied, and foamed.
    Type: Application
    Filed: February 3, 2006
    Publication date: August 9, 2007
    Inventor: Uwe Stockhelm