Patents by Inventor Markus Pardun

Markus Pardun 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).

  • Use of alloy steel for making high-strength, seamless steel tubes
    Publication number: 20020150497
    Abstract: An alloy steel, includes 0.12 to 0.25 wt. % C, 0.40 wt. % or less Si, 1.20 to 1.80 wt. % Mn, 0.025 wt. % or less P, 0.010 wt. % or less S, 0.01 to 0.06 wt. % Al, 0.20 to 0.50 wt. % Cr, 0.20 to 0.50 wt. % Mo, 0.03 to 0.10 wt. % V, 0.20 wt. % or less Cu, 0.02 wt. % or less N, 0.30 to 1.00 wt. % W, and the balance iron and incidental impurities, for making high-strength, weldable seamless steel tubes for structural application, through a hot rolling process and subsequent quenching and tempering.
    Type: Application
    Filed: February 28, 2002
    Publication date: October 17, 2002
    Applicant: V & M DEUTSCHLAND GMBH
    Inventors: Ingo Von Hagen, Kurt Niederhoff, Bernhard Koschlig, Markus Pardun