Non-return device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9567737
APP PUB NO 20130000766A1
SERIAL NO

13511393

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A non-return device (10) for use with a waste trap is described. The non-return device comprises a sealing portion (12) having first and second sheet members (14, 16), a device inlet (18), a device outlet (20) and a transition portion (22) providing fluid communication between the device inlet and the sealing portion. The transition portion has a convex section of wall (24).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
WHIFFAWAY LTDHIGH WYCOMBE HP10 9XA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McAlpine, James Edward Hillington, GB 26 191
McAlpine, James Kenneth Glasgow, GB 17 156

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