Patents by Inventor Steve Castle

Steve Castle 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).

  • Servicing system for an inkjet printhead
    Patent number: 6913338
    Abstract: A wet-wiping printhead cleaning system for inkjet printer incorporating a wiper for wiping the printhead including a treatment fluid applicator configured for placing treatment fluid onto at least one element of the printhead and wiper elements involved in wiping the printhead orifice plate surface, the treatment fluid being placed on said at least one element by direct contact of the applicator, subsequently the wiper wipes the printhead, the treatment being available to enhance cleaning effectiveness, the treatment fluid lubricating the wiper so as to lengthen wiper service life and enhance wiping performance, as well as acting to render unwanted accumulations on the printhead more removable by wiping.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: July 5, 2005
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: W. Wistar Rhoads, Eric Joseph Johnson, Steve Castle, Frank Drogo, John Ferraro, Paul E. Martinson, Eric Mattis
  • Servicing system for an inkjet printhead
    Patent number: 5905514
    Abstract: A wet-wiping printhead cleaning system for inkjet printer incorporating a wiper for wiping the printhead including a treatment fluid applicator configured for placing treatment fluid onto at least one element of the printhead and wiper elements involved in wiping the printhead orifice plate surface, the treatment fluid being placed on said at least one element by direct contact of the applicator, subsequently the wiper wipes the printhead, the treatment being available to enhance cleaning effectiveness, the treatment fluid lubricating the wiper so as to lengthen wiper service life and enhance wiping performance, as well as acting to render unwanted accumulations on the printhead more removable by wiping.
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: May 18, 1999
    Assignee: Hewlett-Packard Company
    Inventors: W. Wistar Rhoads, Eric Joseph Johnson, Steve Castle, Frank Drogo, John Ferraro, Paul E. Martinson, Eric Mattis