Patents by Inventor Richard A. Klenkler
Richard A. Klenkler 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).
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Publication number: 20140294443Abstract: The presently disclosed embodiments relate generally to image forming systems comprising imaging apparatus members and toner compositions. More specifically, the present embodiments relate to an improved BCR xerographic system comprising (1) a cleaning blade comprising a material having a certain Share A Hardness; (2) a photoreceptor having a surface with a specified Young's Modulus and; and (3) a toner lubricant additive. The combined system demonstrates a significant increase an overall service life of the system.Type: ApplicationFiled: March 29, 2013Publication date: October 2, 2014Applicant: Xerox CorporationInventors: Richard A. Klenkler, Gregory McGuire, Sarah J. Vella, Guiqin Song, Yu Liu, Adrien P. Cote
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Publication number: 20140270880Abstract: Methods and devices provide an electrostatically chargeable surface within a printing apparatus and cause a movable lubricant applicator to contact the electrostatically chargeable surface. The movable lubricant applicator is movable to be in contact with the electrostatically chargeable surface, or out of contact with the electrostatically chargeable surface. Such methods control the movable lubricant applicator to be in intermittent contact with the electrostatically chargeable surface during printing operations of the printing apparatus.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: XEROX CORPORATIONInventors: Richard A. Klenkler, Sarah J. Vella, Yu Liu
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Patent number: 8831501Abstract: There is described a delivery member for use in an image forming apparatus. The delivery member includes a support member and a first layer including an elastomeric matrix, a porous material and a functional material dispersed therein. The first layer is disposed on the support member.Type: GrantFiled: March 22, 2012Date of Patent: September 9, 2014Assignee: Xerox CorporationInventors: Sarah J. Vella, Nan-Xing Hu, Yu Liu, Richard A. Klenkler
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Patent number: 8805241Abstract: The presently disclosed embodiments relate generally to an image forming apparatus comprising: a) an imaging member, b) a bias charging roller in contact with the surface of the imaging member, and c) a delivery unit in contact with the surface of the bias charge roller, wherein the delivery unit is fabricated as a polymer matrix impregnated with functional materials, such that the functional material is transferred onto the imaging member from the delivery unit via the bias charging roller. Embodiments also pertain to an improved electrophotographic imaging member comprising a very thin outer layer on the imaging member surface, where the outer layer comprises functional materials, such as paraffin, that act as a lubricant and or a barrier against moisture and/or surface contaminants. The improved imaging member exhibits improved xerographic performance, such as reduced friction and deletions in high humidity conditions.Type: GrantFiled: July 27, 2011Date of Patent: August 12, 2014Assignee: Xerox CorporationInventors: Nan-Xing Hu, Yu Liu, Sarah J. Vella, Richard A. Klenkler, Vladislav Skorokhod
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Patent number: 8786290Abstract: The presently disclosed embodiments are directed to the detection and monitoring of corona effluent. The present embodiments pertain to a corona sensing device that employs a film of organic charge transporting material, as the active component in a corona effluent sensing device, that is disposed onto a patterned electrode bearing support member.Type: GrantFiled: December 8, 2011Date of Patent: July 22, 2014Assignee: Xerox CorporationInventor: Richard Klenkler
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Patent number: 8775121Abstract: The present embodiments are generally directed to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. More particularly, the embodiments pertain to an electrophotographic imaging member having a charge transport layer in which a charge transport molecule (CTM) concentration gradient is formed through a single coating pass using only a single charge transport layer solution, and time-of-flight based methods of measuring the CTM gradient through the thickness of the charge transport layer.Type: GrantFiled: May 18, 2011Date of Patent: July 8, 2014Assignee: Xerox CorporationInventors: Richard A. Klenkler, Gregory McGuire
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Patent number: 8768234Abstract: There is described a delivery member for use in an image forming apparatus. The delivery member includes a support member, an inner layer comprising a elastomeric matrix and a functional material dispersed therein, the inner layer disposed on the support member and an outer layer disposed on the inner layer. A method for manufacturing the delivery member and its function are described.Type: GrantFiled: October 24, 2011Date of Patent: July 1, 2014Assignee: Xerox CorporationInventors: Sarah J. Vella, Nan-Xing Hu, Yu Liu, Richard A. Klenkler
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Patent number: 8737904Abstract: There is described a delivery member for use in an image forming apparatus. The delivery member includes a cylindrical support member and an outer layer. The outer layer comprises an outer surface. The outer surface comprises a first surface section and a second surface section. The first surface section comprises an elastomeric matrix having a functional material dispersed therein and the second surface section comprises a cleaning material.Type: GrantFiled: January 19, 2012Date of Patent: May 27, 2014Assignee: Xerox CorporationInventors: Yu Liu, Sarah J. Vella, Richard A. Klenkler, Gregory M. McGuire, Nan-Xing Hu, Vladislav Skorokhod, Paul J. Gerroir
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Publication number: 20140142340Abstract: Novel fluoroacyl arylamines are disclosed.Type: ApplicationFiled: November 21, 2012Publication date: May 22, 2014Applicant: XEROX CORPORATIONInventors: Adrien P. Cote, Richard A. Klenkler, Amanda L. Bongers, Gregory M. McGuire
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Publication number: 20140138628Abstract: Fluoroacyl arylamines are disclosed for use in an electronic applications, such as, in photoresponsive and electroresponsive devices.Type: ApplicationFiled: November 21, 2012Publication date: May 22, 2014Applicant: XEROX CORPORATIONInventors: Adrien P. Cote, Richard A. Klenkler, Amanda L. Bongers, Gregory M. McGuire
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Publication number: 20140141365Abstract: A photoreceptor charge transport layer comprising a film-forming material or binder with a fluoroacyl arylamine charge transport molecule is described.Type: ApplicationFiled: November 21, 2012Publication date: May 22, 2014Applicant: XEROX CORPORATIONInventors: Adrien P. Cote, Richard A. Klenkler, Amanda L. Bongers, Gregory M. McGuire
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Publication number: 20140141361Abstract: Surface control apparatuses including an imaging member having a charge retentive surface for developing an electrostatic latent image thereon. The imaging member including a substrate, a photoconductive layer disposed on the substrate, and a surface control (SC) layer disposed on the outer surface of the imaging member. Image forming apparatuses having such surface control apparatuses installed and methods of reducing print defects using such image forming apparatuses.Type: ApplicationFiled: November 19, 2012Publication date: May 22, 2014Applicant: XEROX CORPORATIONInventors: Yu Liu, Gregory McGuire, Sarah J Vella, Richard A Klenkler, Vladislav Skorokhod, Nan-Xing Hu, Yiliang Wu
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Composition for use in an apparatus for delivery of a functional material to an image forming member
Patent number: 8676089Abstract: The presently disclosed embodiments relate generally to an image forming apparatus comprising a delivery member in contact with either the surface of an imaging member or in contact with the surface of the bias charge roller, wherein the delivery member is fabricated as a polymer matrix impregnated with functional materials, such that the functional material is transferred onto the imaging member or bias charge roller from the delivery member. Embodiments also pertain to an improved electrophotographic imaging member comprising a very thin outer layer on the imaging member surface, where the outer layer comprises functional materials, such as paraffin, that act as a lubricant and/or a barrier against moisture and/or surface contaminants. The improved imaging member exhibits improved xerographic performance, such as reduced torque, reduced friction, and deletions in high humidity conditions.Type: GrantFiled: July 27, 2011Date of Patent: March 18, 2014Assignee: Xerox CorporationInventors: Sarah J. Vella, Yu Liu, Nan-Xing Hu, Richard A. Klenkler -
Patent number: 8628823Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. Embodiments pertain to an improved electrophotographic imaging member incorporating an outer layer having a groove pattern imprinted into its surface to lower friction with the cleaning blade and improve print quality and performance. Embodiments also pertain to methods and systems for making the improved imaging member.Type: GrantFiled: June 16, 2011Date of Patent: January 14, 2014Assignee: Xerox CorporationInventors: Nan-Xing Hu, Gregory McGuire, Richard A. Klenkler, Yvan Gagnon, Gaetano J. Lavigne
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Patent number: 8600281Abstract: The presently disclosed embodiments relate generally to an image forming apparatus including: a) an imaging member, and b) a delivery member in contact with a surface of the imaging member, the delivery member has a surface layer comprised of an elastic material impregnated with a functional healing material, and the functional healing material is transferred onto the imaging member by diffusion through the elastic material to the surface of the imaging member. Embodiments also pertain to an improved electrophotographic imaging member including a very thin outer layer on an imaging member surface, where the very thin outer layer includes functional healing materials that act as a lubricant and/or a barrier against moisture and/or surface contaminants. The improved imaging member exhibits improved xerographic performance, such as reduced friction and deletions in high humidity conditions.Type: GrantFiled: February 3, 2011Date of Patent: December 3, 2013Assignee: Xerox CorporationInventors: Nan-Xing Hu, Yu Liu, Vladislav Skorokhod, Yiliang Wu, Richard A. Klenkler
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Publication number: 20130288168Abstract: Imaging members having a support, an imaging layer disposed on the support, an outer layer disposed on the imaging layer and fluoropolymer particles imbedded in an outer surface of the outer layer. Image forming apparatuses having such imaging members. Processes for preparing an imaging member for an electrophotographic apparatus, the process involving coating an imaging layer with an outer layer formulation. The imaging layer can be disposed on a support. The outer layer formulation can be dried to form an outer layer disposed on the imaging layer and has an outer surface. Fluoropolymer particles are applied to the outer layer.Type: ApplicationFiled: April 27, 2012Publication date: October 31, 2013Applicant: XEROX CORPORATIONInventors: Gregory McGuire, Richard Klenkler, Yvan Gagnon, Yu Liu
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Publication number: 20130280647Abstract: This application discloses a photoreceptor comprising a surface layer that is comprised of an organic composition cured by neutral molecular hydrogen bombardment. Methods for forming a photoreceptor having a cured surface are disclosed.Type: ApplicationFiled: April 24, 2012Publication date: October 24, 2013Applicant: Xerox CorporationInventors: Yu LIU, Yiliang Wu, Nan-Xing Hu, Gregory M. McGuire, Richard A. Klenkler, Vladislav Skorokhod, Johann Junginger
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Publication number: 20130251432Abstract: There is described a delivery member for use in an image forming apparatus. The delivery member includes a support member and a first layer comprising an elastomeric matrix, a porous material and a functional material dispersed therein. The first is layer disposed on the support member.Type: ApplicationFiled: March 22, 2012Publication date: September 26, 2013Applicant: XEROX CORPORATIONInventors: Sarah J. Vella, Nan-Xing Hu, Yu Liu, Richard A. Klenkler
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Publication number: 20130189013Abstract: There is described a delivery member for use in an image forming apparatus. The delivery member includes a cylindrical support member and an outer layer. The outer layer comprises an outer surface. The outer surface comprises a first surface section and a second surface section. The first surface section comprises an elastomeric matrix having a functional material dispersed therein and the second surface section comprises a cleaning material.Type: ApplicationFiled: January 19, 2012Publication date: July 25, 2013Applicant: XEROX CORPORATIONInventors: Yu Liu, Sarah J. Vella, Richard A. Klenkler, Gregory M. McGuire, Nan-Xing Hu, Vladislav Skorokhod, Paul J. Gerroir
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Patent number: 8433222Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. In particular, the present embodiments pertain to an improved imaging member comprising a single layer in which the single layer further comprises a photoactive material in a polymeric binder. The embodiments are free of photosensitive pigments and traditional electron transporting small molecules.Type: GrantFiled: June 30, 2010Date of Patent: April 30, 2013Assignee: Xerox CorporationInventors: Richard A. Klenkler, Gregory McGuire, Matthew A. Heuft