Patents by Inventor Charles Roger Frank

Charles Roger Frank 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).

  • Packing elements
    Patent number: 5783069
    Abstract: A packing element for use as a biofilm support in the biological processing of liquids. The packing element has a hollow cylindrical body having a plurality of helical blade members extending generally radially from the cylindrical body. A plurality of such packing elements are placed in a vessel. When liquid and/or gas flows over them, they tend to rotate causing local turbulence with resulting improvement in diffusion of gas and/or substrate to and from the biofilm, giving enhanced rates of liquid processing.
    Type: Grant
    Filed: March 6, 1996
    Date of Patent: July 21, 1998
    Assignee: Mass Transfer International Ltd.
    Inventor: Charles Roger Frank