Patents by Inventor Eugene S. Evanitsky

Eugene S. Evanitsky 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).

  • Heat regulator for the fusing device in an electrostatic copier
    Patent number: 4303334
    Abstract: A heat regulator for a fuser in a reproduction machine. The heat regulator includes a fuser cooling fan, and a controller having a cooling fan counter. The cooling fan counter manifests the number of copies reproduced up to a predetermined maximum in response to a document scan switch. The contents of the cooling fan counter is the basis for determining the length of time of operation of the cooling fan at the end of a reproduction run. Specifically, the machine cooling fan maintains operation during machine cycle out at the end of a reproduction run for a three second period for each count in the cooling fan counter up to a predetermined maximum.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: December 1, 1981
    Assignee: Xerox Corporation
    Inventors: George J. Haupt, Gerald E. Carlson, Eugene S. Evanitsky