Patent · US Active

Integral check valve

US11112019B2 · kind B2 · utility

0Cited by

5References

17Claims

0Family size

Assignee

McGuire Manufacturing Co., Inc. · US

Inventors

Kevin Mayer · Quakertown, US
Robert B. Williams · Baltimore, US

Key dates

Filing date	Oct 16, 2019
Grant date	Sep 7, 2021
Priority date	—
Expiry date	Oct 18, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K27/0209
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An integral check valve has a stem with a first interior bore extending longitudinally inward from a first end thereof and a spindle having a central shaft having a first end and an opposing second end with flange circumscribing the central shaft. The interior bore is sized to receive the stem and a portion of the central shaft extending from the first end to the flange. The integral check valve may be a component of a plumbing fixture that further includes a hollow body having a water inlet, a water outlet and an integral check valve receiving conduit. The integral check valve receiving conduit has threads sized to engage the outwardly extending threads of the stem.

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