David Michaud

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Lawrence, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Reversible spring retention assembly for a valve
- Patent number 11,821,529
- Issue date Nov 21, 2023
- Watts Regulator Co.
- Peter P. Bouchard
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Backflow prevention assembly with telescoping bias assembly and rev...
- Patent number 11,674,609
- Issue date Jun 13, 2023
- Watts Regulator Co.
- Peter P. Bouchard
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
TELESCOPING SPRING RETENTION ASSEMBLY FOR A CHECK VALVE
- Publication number 20240093797
- Publication date Mar 21, 2024
- Watts Regulator Co.
- Peter P. BOUCHARD
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
REVERSIBLE SPRING RETENTION ASSEMBLY FOR A VALVE
- Publication number 20230140314
- Publication date May 4, 2023
- Watts Regulator Co.
- Peter P. BOUCHARD
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
BACKFLOW PREVENTION ASSEMBLY WITH TELESCOPING BIAS ASSEMBLY AND REV...
- Publication number 20220049781
- Publication date Feb 17, 2022
- Peter P. BOUCHARD
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...