Patents by Inventor Clemens C. von Reitzenstein

Clemens C. von Reitzenstein 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).

  • Helical wrapped filter element
    Patent number: 5290446
    Abstract: An element for treating a fluid flowing through the element which comprises at least two filter medium layers helically wrapped around a pervious, hollow tube, with the filter medium layers forming an overall graded pore structure for the fluid treatment element and/or at least one diffusion layer positioned between the filter medium layers.
    Type: Grant
    Filed: June 10, 1992
    Date of Patent: March 1, 1994
    Assignee: Pall Corporation
    Inventors: Peter J. Degen, Colin F. Harwood, Clemens C. von Reitzenstein, Stephen A. Geibel, Raymond T. Friel