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:
Sep. 03, 2019

Filed:

Dec. 01, 2014
Applicant:

Coway Co., Ltd., Chungcheongnam-do, KR;

Inventors:

Woong Jung, Seoul, KR;

Hee-Do Jung, Seoul, KR;

Young-Hoon Hong, Seoul, KR;

Jin-Woo Choi, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47J 31/44 (2006.01); A47J 31/46 (2006.01); A47J 31/36 (2006.01);
U.S. Cl.
CPC ...
A47J 31/3628 (2013.01); A47J 31/46 (2013.01);
Abstract

A coffee extraction device is disclosed. A coffee extraction device according to an embodiment of the present invention comprises: a pump which is connected to a water supply source and pressurizes water supplied from the water supply source; a heater for heating the water pressurized by the pump; a coffee extraction unit for extracting coffee using the water heated by the heater; and a discharge member for discharging the coffee, which has been extracted by the coffee extraction unit, to the outside, wherein a vent valve may be provided between the heater and the coffee extraction unit, the vent valve being closed during coffee extraction and being opened after coffee extraction.


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