Dual air admittance valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11668081
APP PUB NO 20220316194A1
SERIAL NO

17140055

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Embodiments of air admittance valve assembly and plumbing system incorporating the same are provided herein. In some embodiments, a valve assembly to allow or stop a flow for use with enclosed environment includes a housing having, an inlet disposed at a first end of the housing fluidly coupled to environment surrounding housing, an outlet disposed at a second end of housing fluidly coupled to enclosed environment, and an interior volume divided into a first zone, a second zone, and a third zone; a first valve having a first valve seat and a first sealing member urged by an existing force between a closed or open position; and a second valve having a second valve seat and a second sealing member urged by an existing force between a closed or open position.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
DI MONTE MICHAEL ANTHONYHIGHLANDS NJ

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Di, Monte Michael Anthony Howell, US 13 31

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