Patents by Inventor Christopher G. Vowels

Christopher G. Vowels 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).

  • Developer unit architecture for an imaging device
    Patent number: 9500994
    Abstract: A removable unit for an electrophotographic imaging device includes a housing having an opening, a rotatable roll disposed near the opening and adjacent to a bottom of the housing and a blade assembly coupled to the housing. The blade assembly includes a support bracket secured to a wall defining at least a part of the opening of the housing, and a blade member coupled to the support bracket and being positioned in the removable unit so that a distal end portion of the blade member engages with the rotatable roll. The housing, the blade assembly, and a portion of a surface of the rotatable roll define a substantially sealed enclosure for containing toner therein.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: November 22, 2016
    Assignee: LEXMARK INTERNATIONAL, INC.
    Inventors: Stephen Andrew Brown, James Anthany Carter, Gregory Alan Cavill, Matthew David Heid, Benjamin Keith Newman, Joshua Carl Poterjoy, Matthew Russell Smither, Christopher G. Vowels
  • Developer Unit Architecture for an Imaging Device
    Publication number: 20130170876
    Abstract: A removable unit for an electrophotographic imaging device includes a housing having an opening, a rotatable roll disposed near the opening and adjacent to a bottom of the housing and a blade assembly coupled to the housing. The blade assembly includes a support bracket secured to a wall defining at least a part of the opening of the housing, and a blade member coupled to the support bracket and being positioned in the removable unit so that a distal end portion of the blade member engages with the rotatable roll. The housing, the blade assembly, and a portion of a surface of the rotatable roll define a substantially sealed enclosure for containing toner therein.
    Type: Application
    Filed: May 10, 2012
    Publication date: July 4, 2013
    Inventors: Stephen Andrew Brown, James Anthany Carter, Gregory Alan Cavill, Matthew David Heid, Benjamin Keith Newman, Joshua Carl Poterjoy, Matthew Russell Smither, Christopher G. Vowels