Patents by Inventor Paula Jungwon Choi

Paula Jungwon Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fluid treatment apparatus
    Patent number: 11577973
    Abstract: A fluid treatment apparatus includes: a first tank portion arranged to receive a first fluid from a first fluid source; a second tank portion adapted to contain a second fluid and receive water molecules of the first fluid from the first tank portion, wherein the concentration of the second fluid is higher than that of the first fluid; a third tank portion arranged to collect the water molecules of the first fluid from the second tank portion; a first membrane positioned between the first and second tank portions and arranged to filter the water molecules of the first fluid from the first tank portion; and a second membrane positioned between the second and third tank portions and arranged to obtain the water molecules of the first fluid from the second tank portion, wherein the second membrane has a greater permeability than that of the first membrane.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: February 14, 2023
    Assignee: City University of Hong Kong
    Inventors: Alicia Kyoungjin An, Paula Jungwon Choi
  • FLUID TREATMENT APPARATUS
    Publication number: 20210387872
    Abstract: A fluid treatment apparatus includes: a first tank portion arranged to receive a first fluid from a first fluid source; a second tank portion adapted to contain a second fluid and receive water molecules of the first fluid from the first tank portion, wherein the concentration of the second fluid is higher than that of the first fluid; a third tank portion arranged to collect the water molecules of the first fluid from the second tank portion; a first membrane positioned between the first and second tank portions and arranged to filter the water molecules of the first fluid from the first tank portion; and a second membrane positioned between the second and third tank portions and arranged to obtain the water molecules of the first fluid from the second tank portion, wherein the second membrane has a greater permeability than that of the first membrane.
    Type: Application
    Filed: June 16, 2020
    Publication date: December 16, 2021
    Inventors: Alicia Kyoungjin An, Paula Jungwon Choi