Patents by Inventor Pradeep Rohatgi

Pradeep Rohatgi 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).

  • MATERIALS, METHODS AND TECHNIQUES FOR SURFACE ALLOYING SAND CASTED ARTICLES
    Publication number: 20220126357
    Abstract: Exemplary articles may comprise a surface alloyed layer, a base metal comprising a steel, and a transitional layer between the surfaced alloyed layer and the base metal. The surface alloyed layer may comprise nickel (Ni), chromium (Cr), manganese (Mn), molybdenum (Mo), silicon (Si), or combinations thereof. Exemplary methods of making an article may comprise coating a portion of a sand mold with a metal slurry, pouring a molten steel alloy onto the sand mold, and removing the article from the sand mold.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 28, 2022
    Inventors: Pradeep Rohatgi, Michael Beining, Kaustubh Kishore Rane, Swaroop K. Behera, Amir Kordijazi