Patents by Inventor William J. Durkin

William J. Durkin 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).

  • Antistatic layer for electrically modulated display
    Patent number: 7087351
    Abstract: The present invention relates to a display comprising at least one substrate having at least one electrically modulated imaging layer thereon, at least one patterned electrically conductive layer, and at least one antistatic layer.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: August 8, 2006
    Assignee: Eastman Kodak Company
    Inventors: Peter T. Aylward, Debasis Majumdar, Hwei-Ling Yau, William J. Durkin, Donald O. Bigelow, Daniel A. Slater, Kelly S. Robinson
  • Apparatus and method to control free charge on moving webs
    Patent number: 5432454
    Abstract: The present invention is a method and apparatus for controlling free charge on a moving web. The method and apparatus includes two DC ionizers one of each polarity positioned near one surface of the web. A conductive plate mounted on the opposite side of the web opposite the DC ionizers is controlled in response to the free charge measured on the web downstream of the ionizers. The present invention allows control of the free charge on the web to almost zero without imparting any frequency in the charge on the web.
    Type: Grant
    Filed: March 10, 1994
    Date of Patent: July 11, 1995
    Assignee: Eastman Kodak Company
    Inventor: William J. Durkin