Patents by Inventor Edward Anton Frederik Span

Edward Anton Frederik Span 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).

  • Publication number: 20170240990
    Abstract: A dual phase or complex phase steel strip showing no tiger stripes. The steel strip having an ultimate tensile strength Rm classifying for 1000 MPa steel category, includes (in mass percent) C 0.09-0.19%; Mn 1.9-2.6%; Si at most 0.1%; Cr 0.4-0.8%; Mo at most 0.3%; Ni at most 0.4%; Al 0.02-1.3%; and optionally one or more of the following elements: Nb at most 0.08%; P equal to or more than 0.0005%; N equal to or less than 0.015%; Ti equal to or less than 0.1%; V equal to or less than 0.1%; B equal to or less than 0.01%; wherein the sum of Cr, Mo and Ni is at least 0.5%; the balance being Fe and inevitable impurities.
    Type: Application
    Filed: May 10, 2017
    Publication date: August 24, 2017
    Inventors: Egbert JANSEN, Edward Anton Frederik SPAN, Richard MOSTERT, Theo Arnold KOP
  • Patent number: 9695493
    Abstract: A dual phase or complex phase steel strip showing no tigerstripes. The steel strip having an ultimate tensile strength Rm classifying for 1000 MPa steel category, includes (in mass percent) C 0.09-0.19%; Mn 1.9-2.6%; Si at most 0.1%; Cr 0.4-0.8%; Mo at most 0.3%; Ni at most 0.4%; Al 0.02-1.3%; and optionally one or more of the following elements: Nb at most 0.08%; P equal to or more than 0.0005%; N equal to or less than 0.015%; Ti equal to or less than 0.1%; V equal to or less than 0.1%; B equal to or less than 0.01%; wherein the sum of Cr, Mo and Ni is at least 0.5%; the balance being Fe and inevitable impurities.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: July 4, 2017
    Assignee: TATA STEEL IJMUIDEN BV
    Inventors: Egbert Jansen, Edward Anton Frederik Span, Richard Mostert, Theo Arnold Kop
  • Patent number: 9593400
    Abstract: A dual phase or complex phase steel strip showing no tigerstripes. The steel strip includes, in mass percent, the following elements: C 0.08-0.11%; Mn 1.70-2.20%; Si at most 0.1%; Cr 0.40-0.70%; Mo at most 0.3%; Ni at most 1.0%, Al 0.01-1.50%; Nb at most 0.07%; P equal to or more than 0.005%; N equal to or less than 0.015%; Ti equal to or less than 0.1%; V equal to or less than 0.1%; B equal to or less than 0.01%; wherein the sum of Cr, Mo and Ni is at least 0.5%; the balance being Fe and inevitable impurities.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: March 14, 2017
    Assignee: TATA STEEL IJMUIDEN BV
    Inventors: Egbert Jansen, Edward Anton Frederik Span, Richard Mostert, Theo Arnold Kop
  • Publication number: 20150071811
    Abstract: A dual phase or complex phase steel strip showing no tigerstripes. The steel strip includes, in mass percent, the following elements: C 0.08-0.11%; Mn 1.70-2.20%; Si at most 0.1%; Cr 0.40-0.70%; Mo at most 0.3%; Ni at most 1.0%, Al 0.01-1.50%; Nb at most 0.07%; P equal to or more than 0.005%; N equal to or less than 0.015%; Ti equal to or less than 0.1%; V equal to or less than 0.1%; B equal to or less than 0.01%; wherein the sum of Cr, Mo and Ni is at least 0.5%; the balance being Fe and inevitable impurities.
    Type: Application
    Filed: April 5, 2013
    Publication date: March 12, 2015
    Inventors: Egbert Jansen, Edward Anton Frederik Span, Richard Mostert, Theo Arnold Kop
  • Publication number: 20150064497
    Abstract: A dual phase or complex phase steel strip showing no tigerstripes. The steel strip having an ultimate tensile strength Rm classifying for 1000 MPa steel category, includes (in mass percent) C 0.09-0.19%; Mn 1.9-2.6%; Si at most 0.1%; Cr 0.4-0.8%; Mo at most 0.3%; Ni at most 0.4%; Al 0.02-1.3%; and optionally one or more of the following elements: Nb at most 0.08%; P equal to or more than 0.0005%; N equal to or less than 0.015%; Ti equal to or less than 0.1%; V equal to or less than 0.1%; B equal to or less than 0.01%; wherein the sum of Cr, Mo and Ni is at least 0.5%; the balance being Fe and inevitable impurities.
    Type: Application
    Filed: April 5, 2013
    Publication date: March 5, 2015
    Applicant: TATA Steel IJMUIDEN BV
    Inventors: Egbert Jansen, Edward Anton Frederik Span, Richard Mostert, Theo Arnold Kop