Patents by Inventor Arthur F Jonhston

Arthur F Jonhston 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).

  • Filter devices and methods of use
    Publication number: 20030173287
    Abstract: A method and device for the filtration and/or purification of fluids water or other solutions containing microbiological contaminants, such as fluids containing including bacteria and/or viruses, where the fluid is passed through a purification material composed of aluminosilicates and more preferably bauxite and absorption media in a fixed binder matrix.
    Type: Application
    Filed: May 6, 2003
    Publication date: September 18, 2003
    Inventors: Arthur W Johnston, Arthur F Jonhston, Frank A Williams, Kenneth D Hughes