Patents by Inventor Jean-Luc Lapointe

Jean-Luc Lapointe 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).

  • Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy
    Patent number: 7976647
    Abstract: The invention concerns a very high mechanical strength steel, whereof the chemical composition comprises in wt. %: 0.006%=C=0250%; 0.400%=Mn=0.950%; Si=0.300%; Cr=0.300%; 0.100%=Mo=0.500%; 0.020%=AI=0.100%; P=0.100%; B=0.010%; Ti=0.050%, the rest being iron and impurities resulting from preparation. The invention also concerns a method for making a sheet of said steel coated with zinc or zinc alloy.
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: July 12, 2011
    Assignee: USINOR
    Inventors: Antoine Moulin, Jean-Luc Lapointe
  • Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy
    Publication number: 20060102256
    Abstract: The invention concerns a very high mechanical strength steel, whereof the chemical composition comprises in wt. %: 0.006%=C=0250%; 0.400%=Mn=0.950%; Si=0.300%; Cr=0.300%; 0.100%=Mo=0.500%; 0.020%=AI=0.100%; P=0.100%; B=0.010%; Ti=0.050%, the rest being iron and impurities resulting from preparation. The invention also concerns a method for making a sheet of said steel coated with zinc or zinc alloy.
    Type: Application
    Filed: September 4, 2003
    Publication date: May 18, 2006
    Inventors: Antoine Moulin, Jean-Luc Lapointe