Patents by Inventor Frederick E. Knier, Jr.

Frederick E. Knier, Jr. 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).

  • Nonbleeding fluorinated carbon and zinc oxide filled layer for bias charging member
    Patent number: 6620476
    Abstract: A nonbleeding bias charging member having an outer layer on a supporting substrate with fluorinated carbon and zinc oxide dispersed in the outer layer material, where bleeding of contaminants to imaging members is decreased or eliminated.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: September 16, 2003
    Assignee: Xerox Corporation
    Inventors: Ihor W. Tarnawskyj, Kock-Yee Law, Martin A. Abkowitz, Frederick E. Knier, Jr., James B. Maliborski
  • Fluorinated carbon filled polyimide intermediate transfer components
    Patent number: 6397034
    Abstract: An intermediate transfer member having a fluorinated carbon filled polyimide layer which exhibits controlled conductivity is set forth, and in embodiments, the fluorinated carbon filled polyimide layer is a substrate having an optional intermediate conformable layer thereon, and having on the intermediate layer, an optional outer release layer.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: May 28, 2002
    Assignee: Xerox Corporation
    Inventors: Ihor W. Tarnawskyj, Joseph Mammino, Frederick E. Knier, Jr., Kock-Yee Law, Martin A. Abkowitz, Robert M. Ferguson
  • Process for preparing nonbleeding fluorinated carbon and zinc oxide filler layer for bias charging member
    Patent number: 6203855
    Abstract: A process for providing an outer layer on a supporting substrate including mixing an outer layer material with fluorinated carbon and zinc oxide to form a filled outer layer material, and providing at least one of the filled outer layer(s) onto the supporting substrate, where bleeding of contaminants to imaging members is decreased or eliminated.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: March 20, 2001
    Assignee: Xerox Corporation
    Inventors: Ihor W. Tarnawskyj, Kock-Yee Law, Martin A. Abkowitz, Frederick E. Knier, Jr., James B. Maliborski
  • Fluorinated carbon filled latex fluorocarbon elastomer
    Patent number: 6103815
    Abstract: A composition comprising a latex fluorocarbon elastomer and fluorinated carbon, xerographic component surfaces comprising such latex fluorocarbon elastomer and fluorinated carbon compositions, and image forming apparatii including such xerographic components are disclosed herein.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: August 15, 2000
    Assignee: Xerox Corporation
    Inventors: Joseph Mammino, Robert M. Ferguson, George J. Heeks, Arnold W. Henry, Santokh S. Badesha, Ihor W. Tarnawskyj, Frederick E. Knier, Jr., Martin A. Abkowitz, Kock-Yee Law
  • Polyimide biasable components
    Patent number: 6066400
    Abstract: A biasable member having a fluorinated carbon filled polyimide layer which exhibits controlled electrical conductivity is disclosed, along with embodiments wherein the fluorinated carbon filled polyimide layer is a substrate, embodiments wherein the fluorinated carbon filled polyimide is a substrate having thereon a filled fluoropolymer outer layer, and embodiments wherein the fluorinated carbon filled polyimide layer is a substrate having thereon an intermediate metal layer, and an outer polymer layer.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: May 23, 2000
    Assignee: Xerox Corporation
    Inventors: Kock-Yee Law, Gerald M. Fletcher, Ihor W. Tarnawskyj, Joseph Mammino, Martin A. Abkowitz, Frederick E. Knier, Jr.
  • Ohmic contact-providing compositions
    Patent number: 5856013
    Abstract: Electrical components comprising a ohmic contact-providing layer and a charge transport layer wherein the ohmic contact-providing layer comprises a fluorinated carbon filled fluoropolymer.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: January 5, 1999
    Inventors: Martin A. Abkowitz, Frederick E. Knier, Jr., Ihor W. Tarnawskyj, Milan Stolka, Joseph Mammino, Kock-Yee Law
  • Instant on fuser system members
    Patent number: 5837340
    Abstract: A fuser system member for use in an electrophotographic apparatus for fusing toner images to a copy substrate, the fuser member having a substrate, a heat generating layer provided thereon comprising a fluorinated carbon filled fluoroelastomer, and an outer toner release layer provided on the heat generating layer.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: November 17, 1998
    Assignee: Xerox Corporation
    Inventors: Kock-Yee Law, Ihor W. Tarnawskyj, Joseph Mammino, Kathleen M. McGrane, Martin A. Abkowitz, Robert M. Ferguson, Frederick E. Knier, Jr.
  • Electrically conductive coatings comprising fluorinated carbon filled fluoroelastomer
    Patent number: 5795500
    Abstract: A coating or layer containing a fluorinated carbon filled fluoroelastomer wherein the resistivity of the fluorinated carbon filled fluoroelastomer is controlled. Specifically, the coating comprises fluorinated carbon and polymer component selected from vinylidenefluoride/hexafluoropropylene/tetrafluoroethelene/cure site monomer rubber and volume grafted fluoroelastomers.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: August 18, 1998
    Assignee: Xerox Corporation
    Inventors: Kock-Yee Law, Ihor W. Tarnawskyj, Joseph Mammino, Martin A. Abkowitz, Frederick E. Knier, Jr.
  • Fixing apparatus and film
    Patent number: 5765085
    Abstract: A fixing apparatus having a fixing film for use in an electrophotographic apparatus for fusing toner images to a copy substrate, the fixing film comprising a fluorinated carbon filled fluoroelastomer, and in embodiments, the fixing film comprises an optional substrate, an optional intermediate layer provided thereon, and an outer fluorinated carbon filled fluoroelastomer layer provided on the intermediate layer.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: June 9, 1998
    Assignee: Xerox Corporation
    Inventors: Kock-Yee Law, Ihor W. Tarnawskyj, Joseph Mammino, Kathleen M. McGrane, Martin A. Abkowitz, Robert M. Ferguson, Frederick E. Knier, Jr.
  • Electrically conductive processes
    Patent number: 5753317
    Abstract: A process for preparing coatings or layers containing a fluorinated carbon filled fluoroelastomer wherein the resistivity of the fluorinated carbon filled fluoroelastomer is controlled.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: May 19, 1998
    Assignee: Xerox Corporation
    Inventors: Kock-Yee Law, Ihor W. Tarnawskyj, Martin A. Abkowitz, Frederick E. Knier, Jr., Joseph Mammino