Patents by Inventor David J. Gervasi

David J. Gervasi 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).

  • Media path universal cleaning fluid composition
    Patent number: 7846265
    Abstract: Exemplary embodiments provide a cleaning composition that can include alkane components for cleaning printer members made of elastomeric materials.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: December 7, 2010
    Assignee: Xerox Corporation
    Inventors: Santokh Badesha, Barry P. Mandel, Matthew M. Kelly, David J. Gervasi
  • Pressure roller two-layer coating for phase-change ink-jet printer for direct on paper printing
    Patent number: 7845783
    Abstract: A printing apparatus having a) a printing station including at least one printhead for applying phase-change ink to a print substrate in a phase-change ink image, and b) an ink spreading station including an ink spreading member and a back-up pressure member in pressure contact with the ink spreading member forming a nip between the ink spreading member and pressure member for spreading the phase-change ink image on the print substrate, wherein the print substrate is passed through the nip, and wherein the pressure member includes i) a pressure member substrate, and having thereon ii) an intermediate coating comprising a polyurethane material, and having thereon, iii) an outer coating comprising a nitrile butadiene and a conductive filler.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: December 7, 2010
    Assignee: Xerox Corporation
    Inventors: David J Gervasi, Santokh S Badesha, James E Williams, Paul J Mcconville, Jignesh P Sheth
  • Ink-jet printer using phase-change ink printing on a continuous web
    Patent number: 7828423
    Abstract: A printing apparatus includes a printing station, including at least one printhead for applying phase-change ink to the substrate, and a backing member disposed on an opposite side of the substrate substantially opposite the printhead, the backing member causing the substrate to reach a predetermined ink-receiving temperature.
    Type: Grant
    Filed: July 5, 2007
    Date of Patent: November 9, 2010
    Assignee: Xerox Corporation
    Inventors: James R Larson, Jeffrey J Folkins, Roger A Newell, Donald M Bott, Roger Leighton, Edward B Caruthers, Jr., David J Gervasi, David A Mantell, Vincent M Williams, Michael J Levy, James M Casella, Jeremy C Dejong, Paul J Mcconville
  • Phase change ink imaging component having conductive coating
    Patent number: 7810922
    Abstract: Herein includes an offset printing apparatus for transferring and optionally fixing a phase change ink onto a print medium including a) a phase change ink application component for applying a phase change ink in a phase change ink image to an imaging member; b) an imaging member for accepting, transferring and optionally fixing the phase change ink image to the print medium, the imaging member having i) an imaging substrate, and thereover ii) an outer coating with a urethane and a conductive salt; and c) a release agent management system for supplying a release agent to the imaging member, wherein an amount of release agent needed for transfer and optionally fixing the phase change ink image is reduced.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: October 12, 2010
    Assignee: Xerox Corporation
    Inventors: David J Gervasi, Santokh S Badesha, James E Williams, Paul J Mcconville, Jignesh P Sheth
  • Ink printer using forward direction printing process
    Patent number: 7798633
    Abstract: A process transfers an image from an intermediate imaging member onto a sheet of recording media while preserving the ability to duplex print on the sheet. The process includes generating an image on an intermediate imaging member as the intermediate imaging member rotates in a first direction, synchronizing a sheet of recording media with the image on the intermediate member as the intermediate imaging member continues to rotate in the first direction, transferring the image from the intermediate imaging member onto the sheet of recording media as the intermediate imaging member continues to rotate in the first direction, and limiting release agent on the intermediate imaging member to a level that preserves duplex printing capability on the sheet of recording media.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: September 21, 2010
    Assignee: Xerox Corporation
    Inventors: Jeffrey J. Folkins, James R. Larson, Paul John McConville, Edward B. Caruthers, Jr., David J. Gervasi, Roger G. Leighton, Michael Jon Levy
  • INTERMEDIATE LAYER COMPRISING CNT POLYMER NANOCOMPOSITE MATERIALS IN FUSERS
    Publication number: 20100189943
    Abstract: Exemplary embodiments provide a fuser member containing an intermediate layer and methods for forming the intermediate layer and the fuser member. In one embodiment, the fuser member can include a substrate, a resilient layer, a surface layer and an intermediate layer disposed between the resilient layer (e.g., a silicone rubber layer) and the surface layer (e.g., a fluoroplastic of PFA or PTEE). The intermediate layer can include a CNT/polymer composite containing a plurality of carbon nanotubes in a polymer matrix. The surface layer and the fuser member can thus be treated at a temperature of about 250° C. or higher.
    Type: Application
    Filed: January 29, 2009
    Publication date: July 29, 2010
    Applicant: XEROX CORPORATION
    Inventors: Yu QI, Nan-Xing Hu, David J. Gervasi, David C. Irving, Patrick J. Finn
  • FUSER MATERIAL COMPOSITION COMPRISING OF A POLYMER MATRIX WITH THE ADDITION OF GRAPHENE-CONTAINING PARTICLES
    Publication number: 20100190100
    Abstract: Exemplary embodiments provide material compositions useful for electrophotographic devices and processes. The material composition can include a plurality of graphene-containing particles dispersed or distributed in a polymer matrix. Such material composition can be used for electrophotographic members and devices including, but not limited to, a fuser member, a fixing member, a pressure roller, and/or a release donor member. In one embodiment, a material composition dispersion can be applied on a substrate in electrophotography to form a functional member layer to control, e.g., to improve, at least one of thermal, mechanical and/or electrical properties.
    Type: Application
    Filed: January 28, 2009
    Publication date: July 29, 2010
    Applicant: XEROX CORPORATION
    Inventors: Matthew M. KELLY, David J. Gervasi, Santokh Badesha
  • COMBINED ELECTRICAL AND FLUIDIC INTERCONNECT VIA STRUCTURE
    Publication number: 20100159193
    Abstract: A via structure configured for electrical and fluidic interconnection, and including an electrically conductive layer and an electrically insulating layer disposed on the electrically conductive layer.
    Type: Application
    Filed: December 18, 2008
    Publication date: June 24, 2010
    Applicants: Palo Alto Research Center Incorporated, Xerox Corporation
    Inventors: Michael Y. Young, Patrick C. Cheung, Stephen David White, John R. Andrews, David J. Gervasi
  • DROP GENERATING APPARATUS
    Publication number: 20100156997
    Abstract: A drop generator having a via structure configured for electrical and fluidic interconnection. The via structure includes an electrically conductive layer and an electrically insulating layer disposed on the electrically conductive layer.
    Type: Application
    Filed: December 18, 2008
    Publication date: June 24, 2010
    Applicants: PALO ALTO RESEARCH CENTER INCORPORATED, XEROX CORPORATION
    Inventors: Michael Y. Young, Patrick C. Cheung, Stephen David White, John R. Andrews, David J. Gervasi
  • METHOD AND SYSTEM FOR SET-POINT SHARING AND PURCHASING
    Publication number: 20100123922
    Abstract: A method and a system for operating one or more printers, including: a first database for managing and storing first content within the system; a second database for managing and storing second content within the system; and at least one network connection for connecting the first database and the second database for allowing the first content and the second content to be shared between the first database and the second database; wherein at least one of the first content or the second content include at least one or more printer profiles.
    Type: Application
    Filed: November 18, 2008
    Publication date: May 20, 2010
    Applicant: Xerox Corporation
    Inventors: Anthony Salvatore Condello, Augusto Barton, David J. Gervasi
  • NANOMATERIAL HEATING ELEMENT FOR FUSING APPLICATIONS
    Publication number: 20100104332
    Abstract: In accordance with the invention, there are printing apparatuses and methods of forming an image. An exemplary printing apparatus can include a fuser subsystem including one-or more light induced heating elements, each of the one or more light induced heating elements including plurality of nanomaterials, wherein the nanomaterials are selected from the group consisting of carbon nanotubes and metal nanoshells. The exemplary printing apparatus can also include one or more light sources disposed in close proximity to the one or more light induced heating elements, each of the one or more light sources having an emission in the absorption range of the plurality of nanomaterials and disposed to produce heat in the fuser subsystem by light absorption by the plurality of nanomaterials.
    Type: Application
    Filed: October 23, 2008
    Publication date: April 29, 2010
    Applicant: XEROX CORPORATION
    Inventors: Kock-Yee Law, Hong Zhao, Bryan Roof, Michael F. Zona, David J. Gervasi
  • ELECTRICALLY CONDUCTIVE PRESSURE ROLL SURFACES FOR PHASE-CHANGE INK-JET PRINTER FOR DIRECT ON PAPER PRINTING
    Publication number: 20100020148
    Abstract: A printing apparatus having a) a printing station including at least one printhead for applying phase-change ink to a print substrate in a phase-change ink image, and b) an ink spreading station including an ink spreading member and a back-up pressure member in pressure contact with the ink spreading member forming a nip between the ink spreading member and pressure member for spreading the phase-change ink image on the print substrate, wherein the print substrate is passed through the nip, and wherein the pressure member includes i) a pressure member substrate, and ii) an outer coating with a urethane and conductive salt.
    Type: Application
    Filed: July 23, 2008
    Publication date: January 28, 2010
    Applicant: XEROX CORPORATION
    Inventors: David J. Gervasi, Santokh S. Badesha, James E. Williams, Paul J. McConville, Jignesh P. Sheth
  • PRESSURE ROLLER TWO-LAYER COATING FOR PHASE-CHANGE INK-JET PRINTER FOR DIRECT ON PAPER PRINTING
    Publication number: 20100020146
    Abstract: A printing apparatus having a) a printing station including at least one printhead for applying phase-change ink to a print substrate in a phase-change ink image, and b) an ink spreading station including an ink spreading member and a back-up pressure member in pressure contact with the ink spreading member forming a nip between the ink spreading member and pressure member for spreading the phase-change ink image on the print substrate, wherein the print substrate is passed through the nip, and wherein the pressure member includes i) a pressure member substrate, and having thereon ii) an intermediate coating comprising a polyurethane material, and having thereon, iii) an outer coating comprising a nitrile butadiene and a conductive filler.
    Type: Application
    Filed: July 23, 2008
    Publication date: January 28, 2010
    Applicant: Xerox Corporation
    Inventors: David J. Gervasi, Santokh S. Badesha, James E. Williams, Paul J. McConville, Jignesh P. Sheth
  • PHASE CHANGE INK IMAGING COMPONENT HAVING CONDUCTIVE COATING
    Publication number: 20100018417
    Abstract: Herein includes an offset printing apparatus for transferring and optionally fixing a phase change ink onto a print medium including a) a phase change ink application component for applying a phase change ink in a phase change ink image to an imaging member; b) an imaging member for accepting, transferring and optionally fixing the phase change ink image to the print medium, the imaging member having i) an imaging substrate, and thereover ii) an outer coating with a urethane and a conductive salt; and c) a release agent management system for supplying a release agent to the imaging member, wherein an amount of release agent needed for transfer and optionally fixing the phase change ink image is reduced.
    Type: Application
    Filed: July 23, 2008
    Publication date: January 28, 2010
    Applicant: XEROX CORPORATION
    Inventors: David J. Gervasi, Santokh S. Badesha, James E. Williams, Paul J. McConville, Jignesh P. Sheth
  • COATING COMPOSITIONS FOR FUSERS AND METHODS OF USE THEREOF
    Publication number: 20100021834
    Abstract: There is disclosed a fuser member comprising a substrate; and an outer layer thereover comprising (a) a polymer and (b) an organometallic species, wherein said polymer and said organometallic species forms an interpenetrating network upon curing; and wherein the outer layer comprises an increased number of uniform organometallic binding sites, as compared to an outer layer devoid of the interpenetrating network. An image forming apparatus comprising the disclosed fuser member is also disclosed. Moreover, a method of forming a polymer system suitable for use in color fusing applications is disclosed.
    Type: Application
    Filed: July 22, 2008
    Publication date: January 28, 2010
    Applicant: XEROX CORPORATION
    Inventors: Santokh Badesha, David J. Gervasi
  • PHASE CHANGE INK IMAGING COMPONENT HAVING TWO-LAYER CONFIGURATION
    Publication number: 20100020145
    Abstract: Herein includes an offset printing apparatus for transferring and optionally fixing a phase change ink onto a print medium including a) a phase change ink application component for applying a phase change ink in a phase change ink image to an imaging member; b) an imaging member for accepting, transferring and optionally fixing the phase change ink image to the print medium, the imaging member having i) an imaging substrate, and thereover ii) an intermediate layer comprising a polyurethane, and iii) outer coating comprising a nitrile butadiene and a conductive filler; and c) a release agent management system for supplying a release agent to the imaging member, wherein an amount of release agent needed for transfer and optionally fixing the phase change ink image is reduced.
    Type: Application
    Filed: July 23, 2008
    Publication date: January 28, 2010
    Applicant: XEROX CORPORATION
    Inventors: David J. Gervasi, Santokh S. Badesha, James E. Williams, Paul J. McConville, Jignesh P. Sheth
  • FUSER MEMBER RELEASE LAYER HAVING NANO-SIZE COPPER METAL PARTICLES
    Publication number: 20090233085
    Abstract: A fuser member having a substrate; an outer polymeric layer including a fluoropolymer having nano-size copper metal particles dispersed therein, wherein the nano-size copper metal particles have a particle size of from about 50 to about 1,500 nm; and a release agent material coating on the outer polymeric layer, wherein the release agent material coating has a mercapto functional release agent, and wherein from about 85 to about 100 percent of the outer polymeric layer is covered with the mercapto functional release agent.
    Type: Application
    Filed: March 12, 2008
    Publication date: September 17, 2009
    Applicant: Xerox Corporation
    Inventors: David J. Gervasi, Santokh S. Badesha
  • Phase change marking systems with release agents
    Patent number: 7556368
    Abstract: This is a phase change marking system with the ability to minimize adherence of a marking composition to a component in the system, such as an imaging member. In this manner, offset is avoided and a better image results on the paper or receiving medium. This is accomplished by using a substituted polyolefin as a release agent that is coated on the surface of the imaging member.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: July 7, 2009
    Assignee: Xerox Corporation
    Inventors: David J. Gervasi, Santokh S Badesha
  • PHASE CHANGE INK IMAGING COMPONENT HAVING COMPOSITE OUTER LAYER
    Publication number: 20090142112
    Abstract: An offset printing apparatus for transferring and optionally fixing a phase change ink onto a print medium including a) a phase change ink application component for applying a phase change ink in a phase change ink image to an imaging member; b) an imaging member for accepting, transferring and optionally fixing the phase change ink image to the print medium, the imaging member having: i) an imaging substrate, and thereover ii) an outer coating comprising a polymer matrix with an oleophobic resin, a fluoropolymer lubricant, and a first additive; and c) a release agent management system for supplying a release agent to the imaging member, wherein an amount of release agent needed for transfer and optionally fixing the phase change ink image is reduced.
    Type: Application
    Filed: November 30, 2007
    Publication date: June 4, 2009
    Applicant: Xerox Corporation
    Inventors: David J. Gervasi, Santokh S. Badesha, James E. Williams, Paul J. McConville
  • INK-JET PRINTER USING PHASE-CHANGE INK FOR DIRECT ON PAPER PRINTING
    Publication number: 20090141110
    Abstract: A printing apparatus, including a) a printing station with at least one printhead for applying phase-change ink to a substrate in a phase-change ink image, and b) an ink spreading station including a heated or unheated ink spreading member and a back-up pressure member in pressure contact with the ink spreading member, and wherein a nip is formed between the ink spreading member and the back-up pressure member for spreading the phase-change ink image on the substrate, wherein said substrate is passed through the nip, and wherein the pressure member includes i) a substrate, and ii) an outer coating having a polymer matrix with an oleophobic resin, a fluoropolymer lubricant, and a first additive.
    Type: Application
    Filed: November 30, 2007
    Publication date: June 4, 2009
    Applicant: Xerox Corporation
    Inventors: David J. Gervasi, Santokh S. Badesha, James E. Williams, Paul J. McConville