Patents by Inventor Viggo Kaern

Viggo Kaern 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).

  • Publication number: 20070282283
    Abstract: The device (1) for providing anti-reflux has a valve element (9) formed from a sheet-shaped material blank. The valve element includes a connecting portion and a flap portion. Retaining means (10a,10b) for retaining the valve element are integral with the device. The connecting portion includes engagement means formed integrally with the valve element for engagement with the retaining means, the valve element projecting a coherent plane.
    Type: Application
    Filed: November 19, 2004
    Publication date: December 6, 2007
    Inventors: Viggo Kaern, Andrew Jenkins