Patents by Inventor Jan Vliegen

Jan Vliegen 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).

  • Process for the conversion of iron bearing residues into a synthetic rock
    Patent number: 6284038
    Abstract: A process for the conversion of iron bearing residues from the non-ferrous process industry into a synthetic rock, comprising the following steps: 1 part of the wet residue is mixed with at least 0.1 parts by weight of crushed blast furnace slags and with at least 0.1 parts by weight of crushed converter slags; water is added to the mixture to obtain a stiff paste; and the paste is allowed to harden, while kept wet, to such an extent that the resulting rock is usable for construction purposes.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: September 4, 2001
    Assignee: N.V. Union Miniere S.A.
    Inventors: Jan Vliegen, Andre Vandenbranden