Patents by Inventor Douglas Cropoot

Douglas Cropoot 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).

  • Fine fiber media layer
    Publication number: 20080110822
    Abstract: Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.
    Type: Application
    Filed: January 14, 2008
    Publication date: May 15, 2008
    Applicant: Donaldson Company, Inc.
    Inventors: Hoo Chung, John Hall, Mark Gogins, Douglas Cropoot, Thomas Weik