Patents by Inventor Michael Gyorffy

Michael Gyorffy 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).

  • Protective surface on stainless steel
    Patent number: 11859291
    Abstract: A substrate steel of the comprising from 0.01 to 0.60 wt. % of La, from 0.0 to 0.65 wt. % of Ce; from 0.06 to 1.8 wt. % of Nb up to 2.5 wt. % of one or more trace elements and carbon and silicon may be treated in an oxidizing atmosphere to product a coke resistant surface coating of MnCr2O4 having a thickness up to 5 microns.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: January 2, 2024
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Vasily Simanzhenkov, Hany Farag, Leslie Benum, Billy Santos, Kathleen Donnelly, Nobuyuki Sakamoto, Kunihide Hashimoto, Michael Gyorffy
  • PROTECTIVE SURFACE ON STAINLESS STEEL
    Publication number: 20210214831
    Abstract: A substrate steel of the comprising from 0.01 to 0.60 wt. % of La, from 0.0 to 0.65 wt. % of Ce; from 0.06 to 1.8 wt. % of Nb up to 2.5 wt. % of one or more trace elements and carbon and silicon may be treated in an oxidizing atmosphere to product a coke resistant surface coating of MnCr2O4 having a thickness up to 5 microns.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 15, 2021
    Applicants: NOVA Chemicals Corporation, Kubota Corporation
    Inventors: Vasily Simanzhenkov, Hany Farag, Leslie Benum, Billy Santos, Kathleen Donnelly, Nobuyuki Sakamoto, Kunihide Hashimoto, Michael Gyorffy
  • Protective surface on stainless steel
    Patent number: 11035031
    Abstract: A substrate steel of the comprising from 0.01 to 0.60 wt. % of La, from 0.0 to 0.65 wt. % of Ce; from 0.06 to 1.8 wt. % of Nb up to 2.5 wt. % of one or more trace elements and carbon and silicon may be treated in an oxidizing atmosphere to product a coke resistant surface coating of MnCr2O4 having a thickness up to 5 microns.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: June 15, 2021
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Vasily Simanzhenkov, Hany Farag, Leslie Benum, Billy Santos, Kathleen Donnelly, Nobuyuki Sakamoto, Kunihide Hashimoto, Michael Gyorffy
  • PROTECTIVE SURFACE ON STAINLESS STEEL
    Publication number: 20190100833
    Abstract: A substrate steel of the comprising from 0.01 to 0.60 wt. % of La, from 0.0 to 0.65 wt. % of Ce; from 0.06 to 1.8 wt. % of Nb up to 2.5 wt. % of one or more trace elements and carbon and silicon may be treated in an oxidizing atmosphere to product a coke resistant surface coating of MnCr2O4 having a thickness up to 5 microns.
    Type: Application
    Filed: September 20, 2018
    Publication date: April 4, 2019
    Applicants: NOVA Chemicals Corporation, Kubota Corporation, Kubota Materials Canada Corporation
    Inventors: Vasily Simanzhenkov, Hany Farag, Leslie Benum, Billy Santos, Kathleen Donnelly, Nobuyuki Sakamoto, Kunihide Hashimoto, Michael Gyorffy