Patents by Inventor Todd Johns

Todd Johns 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).

  • LOW-TEMPERATURE CASE HARDENING OF ADDITIVE MANUFACTURED ARTICLES AND MATERIALS AND TARGETED APPLICATION OF SURFACE MODIFICATION
    Publication number: 20260108946
    Abstract: A treated additive manufactured article is disclosed. The article comprises a shaped metal alloy having a treated surface layer and a core. At least one of the average hardness of the treated surface layer is greater than the average hardness of the core, and the average corrosion resistance of the treated surface layer is greater than the average corrosion resistance of the core.
    Type: Application
    Filed: October 24, 2025
    Publication date: April 23, 2026
    Inventors: Cyprian Adair William Illing, Robert Bianco, Michael D. Bestic, Christina Semkow, Peter C. Williams, Todd Johns, Ronald S. Edmonson
  • ACTIVATION OF SELF-PASSIVATING METALS USING REAGENT COATINGS FOR LOW TEMPERATURE NITROCARBURIZATION IN THE PRESENCE OF OXYGEN-CONTAINING GAS
    Publication number: 20260002244
    Abstract: A method for low-temperature interstitial case formation on a self-passivating metal workpiece includes exposing the workpiece in a heated gaseous environment comprising oxygen to pyrolysis products of a nonpolymeric reagent comprising nitrogen and carbon.
    Type: Application
    Filed: September 3, 2025
    Publication date: January 1, 2026
    Inventors: Frank Ernst, Todd Johns, Ronald Edmonson, Cyprian Adair William Illing, Peter C. Williams, Christina Semkow
  • Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization in the presence of oxygen-containing gas
    Patent number: 12435406
    Abstract: A method for low-temperature interstitial case formation on a self-passivating metal workpiece includes exposing the workpiece in a heated gaseous environment comprising oxygen to pyrolysis products of a nonpolymeric reagent comprising nitrogen and carbon.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: October 7, 2025
    Assignee: SWAGELOK COMPANY
    Inventors: Frank Ernst, Todd Johns, Ronald Edmonson, Cyprian Adair William Illing, Peter C. Williams, Christina Semkow
  • LASER-ASSISTED REAGENT ACTIVATION AND PROPERTY MODIFICATION OF SELF-PASSIVATING METALS
    Publication number: 20250297351
    Abstract: Disclosed herein is a method for treating an article made of self-passivating metal including applying reagent to a surface portion of the article and applying laser light to the surface portion of the article to chemically activate the reagent, wherein the chemical activating of the reagent treats the surface portion for modification of one or more properties.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 25, 2025
    Inventors: Michael D. Bestic, Cyprian Adair William Illing, Peter C. Williams, Ronald S. Edmonson, Todd Johns, Christina Semkow, Joshua Alan Gress
  • CHEMICAL ACTIVATION OF SELF-PASSIVATING METALS
    Publication number: 20250027190
    Abstract: A method for treating a workpiece made from a self-passivating metal and having a Beilby layer is disclosed. The method comprises exposing the workpiece to the vapors produced by heating a reagent having a guanidine [HNC(NH2)2] moiety and complexed with HCl to activate the workpiece for low temperature interstitial surface hardening.
    Type: Application
    Filed: September 25, 2024
    Publication date: January 23, 2025
    Inventors: Cyprian Adair William Illing, Peter C. Williams, Christina Semkow, Todd Johns
  • Chemical activation of self-passivating metals
    Patent number: 12129556
    Abstract: A method for treating a workpiece made from a self-passivating metal and having a Beilby layer is disclosed. The method comprises exposing the workpiece to the vapors produced by heating a reagent having a guanidine [HNC(NH2)2] moiety and complexed with HCl to activate the workpiece for low temperature interstitial surface hardening.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: October 29, 2024
    Assignee: SWAGELOK COMPANY
    Inventors: Cyprian Adair William Illing, Peter C. Williams, Christina Semkow, Todd Johns
  • ACTIVATION OF SELF-PASSIVATING METALS USING REAGENT COATINGS FOR LOW TEMPERATURE NITROCARBURIZATION IN THE PRESENCE OF OXYGEN-CONTAINING GAS
    Publication number: 20220364216
    Abstract: A method for low-temperature interstitial case formation on a self-passivating metal workpiece includes exposing the workpiece in a heated gaseous environment comprising oxygen to pyrolysis products of a nonpolymeric reagent comprising nitrogen and carbon.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 17, 2022
    Inventors: Frank Ernst, Todd Johns, Ronald Edmonson, Cyprian Adair William Illing, Peter C. Williams, Christina Semkow
  • LOW-TEMPERATURE CASE HARDENING OF ADDITIVE MANUFACTURED ARTICLES AND MATERIALS AND TARGETED APPLICATION OF SURFACE MODIFICATION
    Publication number: 20220072618
    Abstract: A treated additive manufactured article is disclosed. The article comprises a shaped metal alloy having a treated surface layer and a core. At least one of the average hardness of the treated surface layer is greater than the average hardness of the core, and the average corrosion resistance of the treated surface layer is greater than the average corrosion resistance of the core.
    Type: Application
    Filed: September 9, 2021
    Publication date: March 10, 2022
    Inventors: Cyprian Adair William Illing, Robert Bianco, Michael D. Bestic, Christina Semkow, Peter C. Williams, Todd Johns, Ronald S. Edmonson
  • CHEMICAL ACTIVATION OF SELF-PASSIVATING METALS
    Publication number: 20210172046
    Abstract: A method for treating a workpiece made from a self-passivating metal and having a Beilby layer is disclosed. The method comprises exposing the workpiece to the vapors produced by heating a reagent having a guanidine [HNC(NH2)2] moiety and complexed with HCl to activate the workpiece for low temperature interstitial surface hardening.
    Type: Application
    Filed: December 4, 2020
    Publication date: June 10, 2021
    Inventors: Cyprian Adair William Illing, Peter C. Williams, Christina Semkow, Todd Johns