Patents by Inventor Cesar Augusto Rezende Braga

Cesar Augusto Rezende Braga 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).

  • Ferritic ductile cast iron alloys having high carbon content, high silicon content, low nickel content and formed without annealing
    Patent number: 7846381
    Abstract: Disclosed are methods of making ferritic ductile iron castings (60-40-18) with high toughness (6 ft.lb minimum Charpy V at ?20 F and 10 ft.lb minimum Charpy V at +72 F), without adding Nickel and without annealing.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: December 7, 2010
    Assignee: Aarrowcast, Inc.
    Inventor: Cesar Augusto Rezende Braga
  • Ferritic Ductile Cast Iron Alloys
    Publication number: 20090191085
    Abstract: Disclosed are methods of making ferritic ductile iron castings (60-40-18) with high toughness (6 ft.lb minimum Charpy V at ?20 F and 10 ft.lb minimum Charpy V at +72 F), without adding Nickel and without annealing.
    Type: Application
    Filed: January 29, 2008
    Publication date: July 30, 2009
    Inventor: Cesar Augusto Rezende Braga