Patent · US Active

Check valve

US8596560B2 · kind B2 · utility

8Cited by

11References

14Claims

0Family size

Inventors

Stuart Morgan · Pittsburgh, US
Sean Morgan · Golden Valley, US

Key dates

Filing date	Oct 11, 2012
Grant date	Dec 3, 2013
Priority date	—
Expiry date	Oct 11, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/7904
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A check valve which includes a body adapted at one end to receive a liquid source and at the other end to engage with a spray nozzle and having a bore therethrough, an internal annular recess within the body, the upstream end of which body provides a valve seat, a valve assembly located in the recess and having a valve member having a generally curved end directed towards the seat and bias means to normally hold the member against the seat until the pressure at the inlet reaches a pre-determined minimum.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.