Patents by Inventor John Rolland Shaw

John Rolland Shaw 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).

  • Electrostatic spray nozzle with internal and external electrodes
    Patent number: 7360724
    Abstract: A nozzle is provided for use in a dynamic electrostatic air filter, in which the nozzle includes an internal electrode that charges a semiconductive liquid, and includes an external electrode that assists in breaking the liquid into droplets in a predetermined direction. Banks of multiple nozzles are also disclosed, which are separated by a charged “separation electrode” to prevent interference with spray patterns between adjacent banks. An electrostatic fountain is also disclosed which discharges a fragrance, or an inhalable medicine.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: April 22, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Alan David Willey, Vladimir Gartstein, Chinto Benjamin Gaw, John Rolland Shaw, William Richard Mueller, Krista Beth Comstock