James Erhardt

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Bedford, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Tankless water heater isolation valve assembly
- Patent number 11,603,995
- Issue date Mar 14, 2023
- Watts Regulator Co.
- James Erhardt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydronic system air eliminator
- Patent number 8,419,842
- Issue date Apr 16, 2013
- Watts Regulator Company
- Steven Castrigno
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve assembly
- Patent number 8,375,991
- Issue date Feb 19, 2013
- Watts Regulator Company
- James Erhardt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
FLUID DETECTION SYSTEMS AND METHODS USING THE SAME
- Publication number 20240036226
- Publication date Feb 1, 2024
- Watts Regulator Co.
- STEVEN CASTRIGNO
- G01 - MEASURING TESTING
Information Patent Application
TANKLESS WATER HEATER ISOLATION VALVE ASSEMBLY
- Publication number 20230151975
- Publication date May 18, 2023
- Watts Regulator Co.
- James Erhardt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TANKLESS WATER HEATER ISOLATION VALVE ASSEMBLY
- Publication number 20210381698
- Publication date Dec 9, 2021
- Watts Regulator Co.
- James Erhardt
- F24 - HEATING RANGES VENTILATING
Information Patent Application
HYDRONIC SYSTEM AIR ELIMINATOR
- Publication number 20110107915
- Publication date May 12, 2011
- WATTS REGULATOR COMPANY
- Steven Castrigno
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
VALVE ASSEMBLY
- Publication number 20100193043
- Publication date Aug 5, 2010
- James Erhardt
- F24 - HEATING RANGES VENTILATING