Patents by Inventor Eric Lejeune

Eric Lejeune 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).

  • GRINDING ROLLER COMPRISING INSERTS OF INCREASED MASSIVENESS
    Publication number: 20170043349
    Abstract: The present invention relates to a grinding roller for vertical axis crushers, produced by foundry casting, said roller comprising inserts with a massiveness modulus V/S comprised between 3 and 5 cm, preferably between 3.2 and 4.5 cm, said inserts being embedded in a metal matrix consisting of ductile iron or steel.
    Type: Application
    Filed: April 16, 2015
    Publication date: February 16, 2017
    Inventors: Norbert Guerard, Eric Lejeune