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.
Patent No.:
Date of Patent:
Nov. 09, 2021
Filed:
Jan. 18, 2019
Uni-splender Corporation, Tainan, TW;
Yu-Yuan Lin, Tainan, TW;
Uni-Splender Corporation, Tainan, TW;
Abstract
A cold brew coffee extraction device includes a container having a first chamber for receiving cold water. A filtering cup is mounted in the first chamber and includes a second chamber intercommunicating with the first chamber. The second chamber receives coffee powders and includes a second opening. The filtering cup further includes a third opening at a lower end thereof and receiving a filter. A first guiding tube includes a first end intercommunicating with the second chamber and a second end located outside of the container. A pump is disposed outside of the container and is connected to the second end of the first guiding tube. A controller is electrically connected to the pump to control operation of the pump to thereby supply air into or suck air out of the first guiding tube, thereby controlling a water level of the cold water in the first chamber.