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US 2013/0061957 A1Published application
Check valve
OwnerPhilip L. Hapnerinventor
Life of this patent
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Abstract
A check valve system including a plumbing assembly and a check valve assembly. The plumbing assembly has at least three portals including a first portal, a second portal and a third portal. The check valve assembly is positioned to block a fluid flow entering the second portal from flowing out of the first portal. The check valve assembly includes a securing mechanism positioned in the third portal.
Claims20
A check valve system, comprising:
- a plumbing assembly having at least three portals, including a first portal, a second portal and a third portal;
- and
- a check valve assembly positioned to block a fluid flow entering said second portal from flowing out of said first portal, said check valve assembly including a securing mechanism positioned in said third portal.
A check valve, comprising:
- a ring;
- an arm extending from said ring;
- a securing mechanism connected to said arm;
- and
- a flapper pivotally connected to one of said ring and said arm.
2 more elements
Dependencies are inferred from the claim text.