Patents by Inventor Anna V. Agaponova

Anna V. Agaponova 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).

  • Publication number: 20230015135
    Abstract: A workpiece made from a self passivating metal and having one or more surface regions defining a Beilby layer as a result of a previous metal shaping operation is activated for subsequent low temperature gas hardening by exposing the workpiece to the vapors produced by heating an oxygen-free nitrogen halide salt.
    Type: Application
    Filed: September 9, 2022
    Publication date: January 19, 2023
    Inventors: Peter C. Williams, Steven V. Marx, Frank Ernst, Anna V. Agaponova
  • Patent number: 11473183
    Abstract: A workpiece made from a self passivating metal and having one or more surface regions defining a Beilby layer as a result of a previous metal shaping operation is activated for subsequent low temperature gas hardening by exposing the workpiece to the vapors produced by heating an oxygen-free nitrogen halide salt.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: October 18, 2022
    Assignee: SWAGELOK COMPANY
    Inventors: Peter C. Williams, Steven V. Marx, Frank Ernst, Anna V. Agaponova
  • Publication number: 20200283882
    Abstract: A workpiece made from a self passivating metal and having one or more surface regions defining a Beilby layer as a result of a previous metal shaping operation is activated for subsequent low temperature gas hardening by exposing the workpiece to the vapors produced by heating an oxygen-free nitrogen halide salt.
    Type: Application
    Filed: March 27, 2020
    Publication date: September 10, 2020
    Inventors: Peter C. Williams, Steven V. Marx, Frank Ernst, Anna V. Agaponova
  • Patent number: 10604832
    Abstract: A workpiece made from a self passivating metal and having one or more surface regions defining a Beilby layer as a result of a previous metal shaping operation is activated for subsequent low temperature gas hardening by exposing the workpiece to the vapors produced by heating an oxygen-free nitrogen halide salt.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: March 31, 2020
    Assignee: Swagelok Company
    Inventors: Peter C. Williams, Steven V. Marx, Frank Ernst, Anna V. Agaponova
  • Publication number: 20190093207
    Abstract: A workpiece made from a self passivating metal and having one or more surface regions defining a Beilby layer as a result of a previous metal shaping operation is activated for subsequent low temperature gas hardening by exposing the workpiece to the vapors produced by heating an oxygen-free nitrogen halide salt.
    Type: Application
    Filed: November 26, 2018
    Publication date: March 28, 2019
    Applicants: Swagelok Company, Case Western Reserve University
    Inventors: Peter C. Williams, Steven V. Marx, Frank Ernst, Anna V. Agaponova
  • Patent number: 10214805
    Abstract: A workpiece made from a self passivating metal and having one or more surface regions defining a Beilby layer as a result of a previous metal shaping operation is activated for subsequent low temperature gas hardening by exposing the workpiece to the vapors produced by heating an oxygen-free nitrogen halide salt.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: February 26, 2019
    Assignees: SWAGELOK COMPANY, CASE WESTERN RESERVE UNIVERSITY
    Inventors: Peter C. Williams, Steven V. Marx, Frank Ernst, Anna V. Agaponova
  • Publication number: 20160032442
    Abstract: A workpiece made from a self passivating metal and having one or more surface regions defining a Beilby layer as a result of a previous metal shaping operation is activated for subsequent low temperature gas hardening by exposing the workpiece to the vapors produced by heating an oxygen-free nitrogen halide salt.
    Type: Application
    Filed: July 30, 2015
    Publication date: February 4, 2016
    Inventors: Peter C. Williams, Steven V. Marx, Frank Ernst, Anna V. Agaponova