TREA

Samuel CHRISANT

Follow

Person

  • Stow, OH, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Hot water tank with thermal mixing valve
    • Patent number 11,747,047
    • Issue date Sep 5, 2023
    • NATIONAL MACHINE GROUP
    • Ronald Shaffer
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Hot water tank with thermal mixing valve
    • Patent number 11,293,668
    • Issue date Apr 5, 2022
    • NATIONAL MACHINE GROUP
    • Ronald Shaffer
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Hot water tank
    • Patent number 10,921,025
    • Issue date Feb 16, 2021
    • NATIONAL MACHINE GROUP
    • Ronald Shaffer
    • F22 - STEAM GENERATION

Patents Applicationslast 30 patents

  • Information Patent Application

    HOT WATER TANK WITH THERMAL MIXING VALVE
    • Publication number 20240019173
    • Publication date Jan 18, 2024
    • NATIONAL MACHINE COMPANY
    • Ronald SHAFFER
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HOT WATER TANK WITH THERMAL MIXING VALVE
    • Publication number 20220235968
    • Publication date Jul 28, 2022
    • NATIONAL MACHINE GROUP
    • Ronald SHAFFER
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HOT WATER TANK WITH THERMAL MIXING VALVE
    • Publication number 20190285314
    • Publication date Sep 19, 2019
    • NATIONAL MACHINE GROUP
    • Ronald SHAFFER
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HOT WATER TANK
    • Publication number 20180209692
    • Publication date Jul 26, 2018
    • NATIONAL MACHINE COMPANY
    • Ronald SHAFFER
    • F24 - HEATING RANGES VENTILATING