Patents by Inventor Wan-Chang Liang

Wan-Chang Liang 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).

  • Rolled product feed system
    Patent number: 11723495
    Abstract: Systems, methods and apparatus for dispensing of paper products. A dispenser comprising a housing comprising a product holding area defined by a front, back and two sides, and a dispenser throat defining an opening through the housing; a motor coupled to the rolled product and configured to rotate the rolled product in first and second directions; and a feed mechanism having a first side opening and a second side opening different from the first side opening, wherein both the first side and second side openings are different from that dispenser throat, and wherein the first side opening is configured to accept the tail when the rolled product has a first orientation and is rotated in the first direction and the second side opening is configured to accept the tail when the rolled product has a second orientation and is rotated in the second direction.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: August 15, 2023
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Richard P. Lewis, I-Chung Hou, Wan-Chih Lin, Ming-Chung Chung, Chih-An Chen, Wan-Chang Liang, Chan-Hao Chen, Huang-Keng Chen, Ching-Lung Mao, Wei-Ming Huang
  • ROLLED PRODUCT FEED SYSTEM
    Publication number: 20220192439
    Abstract: Systems, methods and apparatus for dispensing of paper products. A dispenser comprising a housing comprising a product holding area defined by a front, back and two sides, and a dispenser throat defining an opening through the housing; a motor coupled to the rolled product and configured to rotate the rolled product in first and second directions; and a feed mechanism having a first side opening and a second side opening different from the first side opening, wherein both the first side and second side openings are different from that dispenser throat, and wherein the first side opening is configured to accept the tail when the rolled product has a first orientation and is rotated in the first direction and the second side opening is configured to accept the tail when the rolled product has a second orientation and is rotated in the second direction.
    Type: Application
    Filed: March 29, 2019
    Publication date: June 23, 2022
    Inventors: Richard P. Lewis, I-Chung Hou, Wan-Chih Lin, Ming-Chung Chung, Chih-An Chen, Wan-Chang Liang, Chan-Hao Chen, Huang-Keng Chen, Ching-Lung Mao, Wei-Ming Huang