Patents by Inventor Roger Hungerford

Roger Hungerford 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).

  • Energy-saving anti-free flow portable pump for use with standard PVC IV tubing
    Publication number: 20050214146
    Abstract: The present invention comprises an apparatus for pumping fluid through tubing. The apparatus includes a tubing base having a tubing support surface and a stop platen. The stop platen and the tubing support surface each comprise respective ridges aligned with a direction of fluid flow through the apparatus. The respective ridges are operatively arranged to engage a wall of tubing along a longitudinal axis of the tubing. In some aspects, the respective ridges are arcuate in a plane orthogonal to the direction of flow. In some aspects, the respective ridges are centered with respect to a transverse axis of the tubing and have a respective width less than an outside diameter of the tubing.
    Type: Application
    Filed: May 17, 2005
    Publication date: September 29, 2005
    Inventors: Kenneth Corwin, Roger Hungerford, Yuriy Shvetsov, Michael Wollowitz