Patents by Inventor Jesper Janis

Jesper Janis 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).

  • FERRITIC STAINLESS STEEL, WITH HIGH AND STABLE GRAIN REFINING POTENCY, AND ITS PRODUCTION METHOD
    Publication number: 20130121870
    Abstract: A ferritic stainless steel comprising Cr: max 24 mass %, Ti: 200 to 1000 mass ppm, Zr: at least 200 mass ppm, whereby the Zr/Ti ratio is greater than 0.3, O: 10 to 150 mass ppm, N: at least 70 mass ppm, whereby the N/O ratio is greater than 1.5, C: max. 0.03 mass %, and balance Fe and residual elements.
    Type: Application
    Filed: April 26, 2011
    Publication date: May 16, 2013
    Inventors: Keiji Nakajima, Jesper Janis, Andrey Karasev, Pär Jönsson, Stefan Jonsson