Patents by Inventor E. Steven Ward

E. Steven Ward 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).

  • Patent number: 7971715
    Abstract: A disposal system including a container having a door movable between a first position and a second position for introducing material to be disposed into the container, and a sensing system operatively associated with the container to sense the position of the door and to generate an alarm signal in response to a predetermined position of the door.
    Type: Grant
    Filed: November 15, 2004
    Date of Patent: July 5, 2011
    Assignee: DeRoyal Industries, Inc.
    Inventors: Craig Fernandes, Terry B. Kehne, Gary F. Peters, William G. Pittman, E. Steven Ward
  • Patent number: 7806879
    Abstract: A disposable liner/lid system useable with a rigid canister and having an adhesive seal to provide improved sealing characteristics and effectively reduce the likelihood of spillage and leakage. The liner includes a flange and the lid includes adhesive that is secured to the interior of the lid and the flange of the liner when installed to provide a seal.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: October 5, 2010
    Assignee: DeRoyal Industries, Inc.
    Inventors: Christine N. Brooks, Walter C. Cowart, Terry B. Kehne, Timothy R. Rowen, Eric A. Ward, E. Steven Ward
  • Publication number: 20090247968
    Abstract: A disposable liner/lid system useable with a rigid canister and having an adhesive seal to provide improved sealing characteristics and effectively reduce the likelihood of spillage and leakage. The liner includes a flange and the lid includes adhesive that is secured to the interior of the lid and the flange of the liner when installed to provide a seal.
    Type: Application
    Filed: March 28, 2008
    Publication date: October 1, 2009
    Applicant: DEROYAL INDUSTRIES, INC.
    Inventors: Christine N. Brooks, Walter C. Cowart, Terry B. Kehne, Timothy R. Bowen, Eric A. Ward, E. Steven Ward