Patents by Inventor John Thomas Rowley

John Thomas Rowley 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).

  • Apparatus and method for distributing a particulate charge over an article
    Patent number: 6558721
    Abstract: An apparatus and method for distributing a charge falling onto an article. The apparatus includes a baffle to present a continuous deflection surface to the falling charge, the deflection surface deflecting at least a portion of the charge radially outwardly, and a guide arranged downstream of the baffle to deflect at least a portion of the charge radially inwardly to cause the charge to fall onto the article with a required distribution. The baffle and the guide may be adjustably mounted such that the relative positions of the guide and the baffle can be adjusted to achieve a desired distribution of the charge.
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: May 6, 2003
    Assignee: Ishida Co., Ltd.
    Inventors: Michael Parsons, John Thomas Rowley