Patents by Inventor Douglas C. Steckbauer

Douglas C. Steckbauer 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).

  • Patent number: 8293028
    Abstract: A carburizing process for increasing the hardness of a case region of a steel component. In one form the application includes plating the outer surface of a stainless steel component with nickel prior to carburizing. One component includes a stainless steel object having a hardened case substantially free of continuous phase grain boundary carbides.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: October 23, 2012
    Assignee: Rolls-Royce Corporation
    Inventors: Stephen N. Hammond, Udayan Trivedi, Thomas L. Doubts, Douglas C. Steckbauer
  • Publication number: 20110017350
    Abstract: A carburizing process for increasing the hardness of a case region of a steel component. In one form the application includes plating the outer surface of a stainless steel component with nickel prior to carburizing. One component includes a stainless steel object having a hardened case substantially free of continuous phase grain boundary carbides.
    Type: Application
    Filed: January 19, 2010
    Publication date: January 27, 2011
    Inventors: Stephen N. Hammond, Udayan Trivedi, Thomas L. Doubts, Douglas C. Steckbauer
  • Patent number: 7648588
    Abstract: The application contemplates a steel body having a hardened case portion and a core portion. The case portion has a hardness of at least Rc 50 and is substantially free of continuous phase grain boundary carbides. The steel body is formed of Pyrowear 675 which is a stainless steel material.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: January 19, 2010
    Assignee: Rolls-Royce Corporation
    Inventors: Stephen N. Hammond, Udayan Trivedi, Thomas L. Doubts, Douglas C. Steckbauer
  • Patent number: 7208052
    Abstract: A carburizing process for increasing the hardness of a case region of a steel component. In one form the application includes plating the outer surface of a stainless steel component with nickel prior to carburizing. One component includes a stainless steel object having a hardened case substantially free of continuous phase grain boundary carbides.
    Type: Grant
    Filed: January 27, 2004
    Date of Patent: April 24, 2007
    Assignee: Rolls-Royce Corporation
    Inventors: Stephen N. Hammond, Udayan Trivedi, Thomas L. Doubts, Douglas C. Steckbauer