Patents by Inventor Patrick Schraven

Patrick Schraven 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).

  • AUSTENITIC STEEL ALLOY HAVING EXCELLENT CREEP STRENGTH AND RESISTANCE TO OXIDATION AND CORROSION AT ELEVATED USE TEMERATURES
    Publication number: 20150203944
    Abstract: An austenitic steel alloy having excellent creep strength and resistance to oxidation and corrosion at elevated use temperatures up to approximately 750° C. has the following chemical composition (in weight %): 0.02?C?0.15%; 0.1?Si?2.0%; 25?Cr?33%; 22?Ni?38%; 1?Mo?6%; 0.4?Nb?1.5%; B?0.0120%; 0.01?N?0.2%; Mn?2%; Co?5%; W?2%; Al?0.05%; Cu?5%; Ti?0.5%; Ta?0.5%; V?0.5%; P?0.05%; S?0.05%, Remainder iron with melting related impurities and optional addition of rare earths and reactive elements such as Ce, Hf, La, Re, Sc and/or Y of together 1%.
    Type: Application
    Filed: June 27, 2013
    Publication date: July 23, 2015
    Applicant: SALZGITTER MANNESMANN STAINLESS TUBES GMBH
    Inventors: Juliane Mentz, Michael Spiegel, Joachim Konrad, Patrick Schraven