Patents by Inventor Harald C. Justus

Harald C. Justus 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).

  • Optical sorting system for a color sorting machine and process
    Patent number: 5579921
    Abstract: The invention relates to an optical sorting system for a color sorting machine. Product is irradiated with visible, infra-red or ultra-violet light by a transmitter. If there is no product in the ray path of the transmission source, all of the light falls onto a residual light receiver. If product is present, on the other hand, the light is partly or wholly scattered back to one or more product signal receivers.
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: December 3, 1996
    Assignee: Elexso Sortiertechnik GmbH
    Inventors: Jos P. Mallant, Rainer Schumann, Thomas Moritz, Harald C. Justus