Patents by Inventor Alexandre de Moraes Guimaraes

Alexandre de Moraes Guimaraes 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).

  • Patent number: 6187067
    Abstract: Additivated gas for oxy-cutting and/or heating applications, having a low cost of production and high cutting and heating velocities wherein the additivated gas is obtained by the additivation of propylene with a chemical product having the basic constituents selected from the group consisting of aromatic compounds, paraffins and naphthenic compounds.
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: February 13, 2001
    Assignee: Praxair Technology, Inc.
    Inventors: Alexandre de Moraes Guimaraes, Willian de Abreu Macedo