The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 13, 2024

Filed:

Jun. 23, 2020
Applicant:

DO Qoom, Corp, Ltd, Gwangju, KR;

Inventor:

Sang Heon Lee, Seoul, KR;

Assignee:

Do Qoom, Corp, Ltd, Gwangju, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 15/06 (2006.01); F16K 15/02 (2006.01); F16K 27/02 (2006.01); F16K 31/50 (2006.01);
U.S. Cl.
CPC ...
F16K 27/0209 (2013.01); F16K 15/023 (2013.01); F16K 15/063 (2013.01); F16K 31/50 (2013.01);
Abstract

A check valve is provided between an inflow pipe and a discharge pipe through which fluid is transferred. The check valve includes a body part having an inflow region connected to the inflow pipe so that the fluid flows therein, a retention region in which the fluid supplied therein through the inflow region remains, and a discharge region connected to the discharge pipe so that the fluid of the retention region is discharged to the outside therethrough; and an opening/closing part, which is provided inside the body part so as to have a disc assembly for opening/closing the path of the fluid flowing in through the inflow pipe, a stem for providing the movement path of the disc assembly, and a first guide for supporting one side of the stem.


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