Patents by Inventor Poulomi Sannigrahi

Poulomi Sannigrahi 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).

  • Turbine Engine Shaft Coating
    Publication number: 20230139403
    Abstract: A coated steel substrate has a steel substrate having a surface. A coating layer is atop the surface. The coating layer includes: aluminum activated by indium; and a ceramic binder. The coating also may comprise of multiple layers with different properties to facilitate the galvanic protection capability.
    Type: Application
    Filed: December 27, 2022
    Publication date: May 4, 2023
    Applicant: Raytheon Technologies Corporation
    Inventors: Lei Chen, Poulomi Sannigrahi
  • Turbine engine shaft coating
    Patent number: 11572626
    Abstract: A coated steel substrate has a steel substrate having a surface. A coating layer is atop the surface. The coating layer includes: aluminum activated by indium; and a ceramic binder. The coating also may comprise of multiple layers with different properties to facilitate the galvanic protection capability.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: February 7, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: Lei Chen, Poulomi Sannigrahi
  • THERMALLY STABLE NICKEL-PHOSPHORUS ALLOY FOR HIGH TEMPERATURE APPLICATIONS
    Publication number: 20210254232
    Abstract: A nickel-phosphorus alloy coating comprising a substrate having a surface; a nickel phosphorus alloy coating plated to the surface, the nickel phosphorus alloy consisting of phosphorus from 15.0 wt. percent to 20.9 wt. percent.
    Type: Application
    Filed: February 14, 2020
    Publication date: August 19, 2021
    Applicant: United Technologies Corporation
    Inventors: Lei Jin, Ryan M. Brodeur, Poulomi Sannigrahi
  • Turbine Engine Shaft Coating
    Publication number: 20210164107
    Abstract: A coated steel substrate has a steel substrate having a surface. A coating layer is atop the surface. The coating layer includes: aluminum activated by indium; and a ceramic binder. The coating also may comprise of multiple layers with different properties to facilitate the galvanic protection capability.
    Type: Application
    Filed: September 15, 2020
    Publication date: June 3, 2021
    Applicant: Raytheon Technologies Corporation
    Inventors: Lei Chen, Poulomi Sannigrahi
  • Chlorine dioxide treatment of biomass feedstock
    Patent number: 8497097
    Abstract: The instant invention pertains to the use of chlorine dioxide in new processes for treating lignocellulosic feedstocks, as well as, new compositions suitable for, for example, bioalcohol production. Advantageously, the processes and compositions of the present invention may be used in more environmentally friendly, cost-efficient production of fuels and, if desired, may be coupled with other biomass processing facilities such as Kraft pulp bleaching mills.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: July 30, 2013
    Assignees: Georgia Tech Research Corporation, Chevron U.S.A., Inc.
    Inventors: Poulomi Sannigrahi, Arthur J. Rasgauskas, Stephen J. Miller
  • CHLORINE DIOXIDE TREATMENT OF BIOMASS FEEDSTOCK
    Publication number: 20120040413
    Abstract: The instant invention pertains to the use of chlorine dioxide in new processes for treating lignocellulosic feedstocks, as well as, new compositions suitable for, for example, bioalcohol production. Advantageously, the processes and compositions of the present invention may be used in more environmentally friendly, cost-efficient production of fuels and, if desired, may be coupled with other biomass processing facilities such as Kraft pulp bleaching mills.
    Type: Application
    Filed: August 11, 2010
    Publication date: February 16, 2012
    Applicants: Chevron U.S.A. Inc., Georgia Tech Research Corporation
    Inventors: Poulomi Sannigrahi, Arthur J. Rasgauskas, Stephen J. Miller