Patents by Inventor Werner Kadel

Werner Kadel 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).

  • Folded-three-dimensional object, particularly a filter element
    Patent number: 7056271
    Abstract: A three-dimensional object folded from a flat work piece, particularly a filter element folded from a nonwoven fabric, characterized in that the three-dimensional object (20) is made up of several rows (5, 6, 7) of hollow pyramid elements (30) that are joined in rows and nested into one another.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: June 6, 2006
    Assignee: Firma Carl Freudenberg
    Inventors: Ulrich Schlör, Werner Kadel
  • Folded three-dimensional object, particularly a filter element
    Publication number: 20020072459
    Abstract: A three-dimensional object folded from a flat work piece, particularly a filter element folded from a nonwoven fabric, characterized in that the three-dimensional object (20) is made up of several rows (5, 6, 7) of hollow pyramid elements (30) that are joined in rows and nested into one another.
    Type: Application
    Filed: October 5, 2001
    Publication date: June 13, 2002
    Inventors: Ulrich Schlor, Werner Kadel