Patents by Inventor Shawn P. Ryan

Shawn P. Ryan 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).

  • Aerosol particle deposition on surfaces
    Patent number: 8286517
    Abstract: A method and apparatus for generating a standardized surface contaminated by an aerosol deposited on its surface is described. Aerosols are propelled horizontally onto a vertical surface. The standardized contaminated surface is used to evaluate the effectiveness of cleaning and removing techniques.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: October 16, 2012
    Assignee: The United States of America as represented by the Administrator of the U.S. Environments Protection Agency
    Inventors: Sang Don Lee, Shawn P. Ryan, Emily G. Snyder
  • Aerosol particle deposition on surfaces
    Publication number: 20100300221
    Abstract: A method and apparatus for generating a standardized surface contaminated by an aerosol deposited on its surface is described. Aerosols are propelled horizontally onto a vertical surface. The standardized contaminated surface is used to evaluate the effectiveness of cleaning and removing techniques.
    Type: Application
    Filed: June 2, 2009
    Publication date: December 2, 2010
    Inventors: Sang Don Lee, Shawn P. Ryan, Emily G. Snyder