Patents by Inventor Chi Hao P. Duong

Chi Hao P. Duong 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).

  • Disposable wipe with substance-filled blisters
    Patent number: 8066444
    Abstract: A device including a base layer; a wipe layer attached to the base layer to define an interior space between the wipe and base layers; a plurality of blisters positioned within the interior space, each blister having a blister volume, wherein the sum of the blister volumes is a total blister volume; and an indication disposed on the wipe layer or the base layer corresponding to a single blister or a group of blisters indicating the ratio of the blister volume of that single blister or the sum of the blister volumes of that group of blisters to the total blister volume is disclosed.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: November 29, 2011
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Carl G. Rippl, Chi Hao P. Duong
  • Disposable wipe with substance-filled blisters
    Publication number: 20080127994
    Abstract: The present disclosure provides a device including a base layer; a wipe layer attached to the base layer to define an interior space between the wipe and base layers; a plurality of blisters positioned within the interior space, each blister having a blister volume, wherein the sum of the blister volumes is a total blister volume; and an indication disposed on the wipe layer or the base layer corresponding to a single blister or a group of blisters indicating the ratio of the blister volume of that single blister or the sum of the blister volumes of that group of blisters to the total blister volume.
    Type: Application
    Filed: November 30, 2006
    Publication date: June 5, 2008
    Inventors: Carl G. Rippl, Chi Hao P. Duong