Patents by Inventor Fiona Barrett

Fiona Barrett 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).

  • Filtration and plug drain device for containing oil and chemical spills
    Publication number: 20050230302
    Abstract: A filter/plug drain assembly for insertion into a drain so as to prevent the passage of selected contaminants through the drain is disclosed. The filter/plug assembly includes stacked layers of filter, filtering/plugging and plugging material. The filter/plug assembly has alternative internal flowpaths configured to provide different plugging speeds when exposed to ongoing low levels of selected contaminants.
    Type: Application
    Filed: March 3, 2005
    Publication date: October 20, 2005
    Inventors: Iain Muir, Fiona Barrett