Patents by Inventor Ralf Portner

Ralf Portner 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).

  • Device and method for cultivating tissue cells
    Publication number: 20050106720
    Abstract: The invention relates to a device and a method for cultivating tissue cells. According to the invention, the tissue cells are cultivated in a culture zone, a thin layer of nutrient solution flowing across the tissue cells. The inventive method is particularly useful for propagating implantable cells such as skin or bone tissue cells and cartilage or vessel cells. The inventive method is further suitable for obtaining implantable cartilage or bone constructs.
    Type: Application
    Filed: February 27, 2003
    Publication date: May 19, 2005
    Inventors: Stephanie Nagel-Heuer, Ralf Portner