Patents by Inventor Blaise Philip Pelligra

Blaise Philip Pelligra 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).

  • Seal assembly for electrographic reproduction apparatus development station
    Patent number: 6295425
    Abstract: A seal assembly for preventing developer material from damaging the drive shaft bearing in an electrographic reproduction apparatus development station. The development station has a housing defining internal chambers for particulate developer material, a rotatable mixer located in a developer material reservoir chamber within the housing, a developer device for applying developer material to an electrostatic image to be developed, a rotatable transporting mechanism for moving developer material from the reservoir chamber to the developer device, and at least one drive shaft, carried in a bearing supported by the development station housing, for rotating the rotatable mixer, the rotatable transporting mechanism, and the developer device.
    Type: Grant
    Filed: November 19, 1999
    Date of Patent: September 25, 2001
    Inventors: Christopher Stephen Garcia, Kenneth Michael Patterson, Paul Essic Thompson, Blaise Philip Pelligra