Patents by Inventor Albert E. Burfeindt

Albert E. Burfeindt 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).

  • Patent number: 4725732
    Abstract: A corona device comprising either a corotron or a scorotron for charging a surface is comprised of at least first and second complementary, interlocking pin array support members, at least one pin array member having integral pin projections and a power source extension member for connection to a high voltage power supply supported on and between the pin array support members, and a shield or screen member connected to a relatively low voltage, and supported externally on at least one of the pin array support members spaced from the pin array.
    Type: Grant
    Filed: July 2, 1986
    Date of Patent: February 16, 1988
    Assignee: Xerox Corporation
    Inventors: Joseph H. Lang, Albert E. Burfeindt