Patents by Inventor George W. Rayfeld

George W. Rayfeld 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 fluid separation membranes having plasma-polymerized lumen-side coatings
    Patent number: 5514276
    Abstract: Hollow fiber fluid separation membranes having a first lumen-side permselective coating and a second lumen-side plasma-polymerized coating are disclosed, as well as methods of making the same.
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: May 7, 1996
    Assignee: Bend Research, Inc.
    Inventors: Walter C. Babcock, Geoffrey D. Hyde, Bruce M. Johnson, George W. Rayfeld