Patents by Inventor Christina Wintermann

Christina Wintermann 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).

  • HIGH-STRENGTH, LOW-ALLOY STEEL FOR SEAMLESS PIPES WITH OUTSTANDING WELDABILITY AND CORROSION RESISTANCE
    Publication number: 20110259478
    Abstract: A high-strength steel and a high-strength, weldable steel pipe. The invention relates to a high-strength steel and to a high-strength, weldable steel pipe. The high-strength, low-alloy steel for seamless steel pipes with outstanding weldability and resistance to stress corrosion cracking with a minimum yield strength of 620 MPa and a tensile strength of at least 690 MPa is characterized by the composition indicated in claim 1.
    Type: Application
    Filed: February 2, 2009
    Publication date: October 27, 2011
    Applicant: V & M Deutschland GmbH
    Inventors: André Schneider, Tanja Schmidt, Christina Wintermann