Patents by Inventor Edward J. Fahy

Edward J. Fahy 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).

  • Method and system for accurately providing fluid blends
    Patent number: 4427298
    Abstract: A method and system are described for preventing interaction between the valves and pump in a liquid blending system. The method and system select operating relationships between the valve period and pump period that avoids synchronous operation and thereby improves the blend accuracy.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: January 24, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Edward J. Fahy, John C. Steichen