Check valve and method of use

Details Check valve and method of use Check valve and method of use

2011-01-25

2011-01-25

Rivell, John (Department: 3753)

Fluid handling

Processes

Cleaning, repairing, or assembling

C137S515700, C137S527800

Reexamination Certificate

active

07874307

ABSTRACT:
A check valve is shaped and dimensioned to be installable inside a conventional pipe coupling, thereby reducing the amount of length required to install the check valve.

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patent: 4274436 (1981-06-01), Smith
patent: 4282897 (1981-08-01), de Mey, II
patent: 4852607 (1989-08-01), Scaramucci
patent: 5117861 (1992-06-01), McConnell et al.
patent: 5713389 (1998-02-01), Wilson et al.

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