Patents by Inventor Fred Bilewski

Fred Bilewski 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).

  • Permselective hollow fiber bundle
    Patent number: 4631128
    Abstract: A bundle of helical segments of permselective hollow fibers for use in a separatory module, all segments being limited in length to not over 1.1 times a selected value and all helical paths being arranged to avoid the creation of undesirable ridges and method for producing.
    Type: Grant
    Filed: June 6, 1983
    Date of Patent: December 23, 1986
    Assignee: Albany International Corporation
    Inventors: Myron J. Coplan, Fred Bilewski