Patents by Inventor Georgius H. Schipper

Georgius H. Schipper 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).

  • Electrophotographic copying device with means to effect uniform aging of photoconductive element
    Patent number: 4657373
    Abstract: Electrophotographic copying device provided with an endless photoconductive element, means for forming a powder image on the element and an intermediate support which, under the influence of pressure, is capable of picking up the powder image from the element and then under the influence of pressure and heat, transferring the image to and to fixing it on a copy sheet. Further, the device is provided with cooling means, e.g., blower slots, for cooling that portion of the surface of the intermediate support which has not been in contact with the copy sheet.
    Type: Grant
    Filed: July 12, 1985
    Date of Patent: April 14, 1987
    Assignee: Oce-Nederland B.V.
    Inventors: Leon M. W. Winthaegen, Georgius H. Schipper