Patents by Inventor Michael V. Nathal

Michael V. Nathal 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).

  • Process for forming a single crystal superalloy wave spring
    Patent number: 10780514
    Abstract: A process for forming a single crystal superalloy wave spring is provided. In one embodiment, the process may include machining a wave spring from a single crystal superalloy slab after optimizing its orientation using diffraction techniques so that the wave spring will exhibit optimal spring properties.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: September 22, 2020
    Assignee: United States of America as Represented by the Administrator of National Aeronautics and Space Administration
    Inventors: Jeffrey J. DeMange, Frank J. Ritzert, Michael V. Nathal, Patrick H. Dunlap, Jr., Bruce M. Steinetz
  • Process for forming a high temperature single crystal canted spring
    Patent number: 9541148
    Abstract: A process for forming a high temperature single crystal canted spring is provided. In one embodiment, the process includes fabricating configurations of a rapid prototype spring to fabricate a sacrificial mold pattern to create a ceramic mold and casting a canted coiled spring to form at least one canted coil spring configuration based on the ceramic mold. The high temperature single crystal canted spring is formed from a nickel-based alloy containing rhenium using the at least one coil spring configuration.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: January 10, 2017
    Assignee: The United States of America as Represented by the Administrator of National Aeronautics and Space Administration
    Inventors: Jeffrey J DeMange, Frank J Ritzert, Michael V Nathal, Patrick H Dunlap, Bruce M Steinetz
  • Precipitation hardenable high temperature shape memory alloy
    Patent number: 7749341
    Abstract: A composition of the invention is a high temperature shape memory alloy having high work output, and is made from (Ni+Pt+Y)xTi(100-x), wherein x is present in a total amount of 49-55 atomic %, Pt is present in a total amount of 10-30 atomic %, Y is one or more of Au, Pd, and Cu and is present in a total amount of 0 to 10 atomic %. The alloy has a matrix phase wherein the total concentration of Ni, Pt, and the one or more of Pd, Au, and Cu is greater than 50 atomic %.
    Type: Grant
    Filed: March 6, 2006
    Date of Patent: July 6, 2010
    Assignee: The United States of America as represented by the Administrator of National Aeronautics and Space Administration
    Inventors: Ronald Dean Noebe, Susan L. Draper, Michael V. Nathal, Edwin A. Crombie
  • High work output NI-TI-PT high temperature shape memory alloys and associated processing methods
    Patent number: 7501032
    Abstract: According to the invention, compositions of Ni—Ti—Pt high temperature, high force, shape memory alloys are disclosed that have transition temperatures above 100° C.; have narrow hysteresis; and produce a high specific work output.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: March 10, 2009
    Assignee: The United States of America as represented by the Administration of NASA
    Inventors: Ronald D. Noebe, Susan L. Draper, Michael V. Nathal, Anita Garg
  • Low density, high creep resistant single crystal superalloy for turbine airfoils
    Patent number: 7261783
    Abstract: A nickel-base superalloy article for use in turbines has increased creep resistance and lower density. The superalloy article includes, as measured in % by weight, 6.0-12.0% Mo, 5.5-6.5% Al, 3.0-7.0% Ta, 0-15% Co, 2.0-6.0% Cr, 1.0-4.0% Re, 0-1.5% W, 0-1.5% Ru, 0-2.0%-Ti, 0-3.0% Nb, 0-0.2% Hf, 0-0.02% Y, 0.001-0.005% B, 0.01-0.04% C, and a remainder including nickel plus impurities.
    Type: Grant
    Filed: September 22, 2004
    Date of Patent: August 28, 2007
    Assignee: The United States of America as Represented by the Administrator of NASA
    Inventors: Rebecca A. MacKay, Timothy P. Gabb, James L Smialek, Michael V. Nathal
  • NiAl-based approach for rocket combustion chambers
    Patent number: 6886327
    Abstract: A multi-layered component, such as a rocket engine combustion chamber, includes NiAl or NiAl-based alloy as a structural layer on the “hot” side of the component. A second structural layer is formed of material selected from Ni-based superalloys, Co-based alloys, Fe-based alloys, Cu, and Cu-based alloys. The second material is more ductile than the NiAl and imparts increased toughness to the component. The second material is selected to enhance one or more predetermined physical properties of the component. Additional structural layers may be included with the additional material(s) being selected for their impact on physical properties of the component.
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: May 3, 2005
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Michael V. Nathal, John Gayda, Ronald D. Noebe