Ronald SHAFFER JR.

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Stow, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Hot water tank and flow through heating assembly
- Patent number 11,892,198
- Issue date Feb 6, 2024
- National Machine Company
- Ronald Shaffer
- F24 - HEATING RANGES VENTILATING
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 AND FLOW THROUGH HEATING ASSEMBLY
- Publication number 20240151434
- Publication date May 9, 2024
- NATIONAL MACHINE COMPANY
- Ronald SHAFFER
- F24 - HEATING RANGES VENTILATING
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 AND FLOW THROUGH HEATING ASSEMBLY
- Publication number 20200124321
- Publication date Apr 23, 2020
- NATIONAL MACHINE COMPANY
- Ronald SHAFFER
- F24 - HEATING RANGES VENTILATING
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