Patents by Inventor James Andrew Kerr

James Andrew Kerr 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).

  • Single piece filtration for an ink jet print head
    Patent number: 7147314
    Abstract: A multi-chamber inkjet print head includes a plurality of individual print head ink chambers that share a common ink filter and are in fluid communication with an ink flow regulator. An associated method of assembling a print head base having at least two separate fluid conduit paths filtered by a single piece of filter includes the steps of: (a) positioning a single piece filter between at least two separate ink receptacles associated with a print head and at least two respective ink conduits; and (b) sealing at least two separate ink paths between the at least two separate ink receptacles associated with the print head and the at least two ink conduits, such that the single piece of filter is in concurrent fluid communication with the at least two separate ink paths.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: December 12, 2006
    Assignee: Lexmark International, Inc.
    Inventors: James Daniel Anderson, Jr., James Andrew Kerr, Steven Robert Komplin, Ann Marie Trebolo, Timothy L. Howard, John R. Fowler, David E. Greer, Matthew J. Russell
  • Single piece filtration for an ink jet print head
    Publication number: 20040257401
    Abstract: A multi-chamber inkjet print head includes a plurality of individual print head ink chambers that share a common ink filter and are in fluid communication with an ink flow regulator. An associated method of assembling a print head base having at least two separate fluid conduit paths filtered by a single piece of filter includes the steps of: (a) positioning a single piece filter between at least two separate ink receptacles associated with a print head and at least two respective ink conduits; and (b) sealing at least two separate ink paths between the at least two separate ink receptacles associated with the print head and the at least two ink conduits, such that the single piece of filter is in concurrent fluid communication with the at least two separate ink paths.
    Type: Application
    Filed: June 18, 2003
    Publication date: December 23, 2004
    Inventors: James Daniel Anderson, James Andrew Kerr, Steven Robert Komplin, Ann Marie Trebolo, Timothy L. Howard, John R. Fowler, David E. Greer, Matthew J. Russell