公开(公告)号：US20230263331A1

公开(公告)日：2023-08-24

申请号：US18113183

申请日：2023-02-23

Applicant: HOSEO UNIVERSITY ACADEMIC COOPERATION FOUNDATION

Inventor： Seung Min HWANG ,  Byong Min SEO ,  Su Nam OH ,  Sang Mok KIM

IPC: A47J31/057 ,  A47J31/46 ,  A47J31/60 ,  C02F1/48 ,  B03C1/30

CPC classification number: A47J31/057 ,  A47J31/468 ,  A47J31/461 ,  A47J31/605 ,  C02F1/488 ,  B03C1/30 ,  C02F2101/203

Abstract: A reverse coffee extraction device according to an embodiment includes a pump configured to pump water upwards; and a brewing container installed above the pump to extract coffee, wherein the water pumped upwards is delivered to the brewing container and moves upwards, and the coffee in the brewing container is brewed and extracted to an outside while the water supplied down moves up.