Patents by Inventor Grigory Grischenko

Grigory Grischenko 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).

  • Apparatus for making paperboard pressware with controlled blank feed
    Publication number: 20050192171
    Abstract: An improved apparatus for making pressware features a vacuum belt feeder which accelerates and decelerates a feed blank for controlled insertion into a forming die as well as retainers to limit bounce back of the blank off of forward stops. A pneumatic ejector on the forming ram facilitates product removal.
    Type: Application
    Filed: February 15, 2005
    Publication date: September 1, 2005
    Applicant: Fort James Corporation
    Inventors: Grigory Grischenko, Alois Schmidtner, Paul England, Albert Johns, Thomas Zelinski