Patents by Inventor Andreas C. Stoot

Andreas C. Stoot 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).

  • Corona charging device
    Patent number: 5101107
    Abstract: A corona device in which the ion-generating element is an array of pin electrodes which are secured to and insulated from a housing open on at least one side and profiled auxiliary electrodes disposed in the vicinity of the pin electrodes in a plane perpendicular to the possibly imaginarily lengthened pin electrodes. The imaginary connecting lines between the tops of the auxiliary electrodes pass substantially through the tops of the pin electrodes or the pin electrodes imaginarily lengthened in the direction of the open side.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: March 31, 1992
    Assignee: OCE Nederland B.V.
    Inventor: Andreas C. Stoot
  • Photoconductive element having a layer including a photoconductive cadmium compound and hydrophobic colloidal silica
    Patent number: 4026702
    Abstract: The electrophotographic properties of photoconductive elements sensitized by a cadmium sulfide-binder layer are improved by incorporating hydrophobic colloidal silica in the photoconductive layer.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: May 31, 1977
    Assignee: Oce-van der Grinten N.V.
    Inventors: Michiel van den Brink, Andreas C. Stoot