Patents by Inventor Francisco Fernandez Perez

Francisco Fernandez Perez 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).

  • Tool for coldforming operations
    Patent number: 6464748
    Abstract: The present invention relates to cemented carbide tools for coldforming and drawing operations. The cemented carbide comprises WC with an average grain of <1 &mgr;m and 0.5-4 weight-% binder phase consisting of Co and Ni, <0.5 wt-% Mo, and <1 wt-% grain growth inhibitors V and/or Cr. The weight ratio Co:(Co+Ni) is 0.25-0.75 and the structure contains 1-5 vol-% of finely distributed eta phase with a size <5 &mgr;m.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: October 15, 2002
    Assignee: Sandvik AB
    Inventors: Francisco Fernandez Perez, Emmanuel Pauty
  • Tool for coldforming operations
    Publication number: 20020059849
    Abstract: The present invention relates to cemented carbide tools for coldforming and drawing operations. The cemented carbide comprises WC with an average grain of <1 &mgr;m and 0.5-4 weight-% binder phase consisting of Co and Ni, <0.5 wt-% Mo, and <1 wt-% grain growth inhibitors V and/or Cr. The weight ratio Co:(Co+Ni) is 0.25-0.75 and the structure contains 1-5 vol-% of finely distributed eta phase with a size <5 &mgr;m.
    Type: Application
    Filed: September 26, 2001
    Publication date: May 23, 2002
    Inventors: Francisco Fernandez Perez, Emmanuel Pauty