Patents by Inventor Valdir Aparecido Zampieri

Valdir Aparecido Zampieri 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).

  • Cementitious product in panel form and manufacturing process
    Patent number: 7128965
    Abstract: The present invention relates to a product, in particular a panel, that can be obtained by the Hatschek process and without autoclaving, and can be used as siding, cladding element or partition element, this product being formed from a fibre-reinforced cementitious matrix comprising at least one hydraulic binder, such as cement, at least one filler, such as calcium carbonate, and at least synthetic fibres. The invention also relates to a process for manufacturing the product.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: October 31, 2006
    Assignee: Saint-Gobain Materiaux de Construction S.A.S.
    Inventors: Charlotte Famy, Gaël Cadoret, Paul Houang, Valdir Aparecido Zampieri