Patents by Inventor Wang Hui-Yen

Wang Hui-Yen 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).

  • Toner cartridge
    Patent number: 7054582
    Abstract: A toner cartridge has a housing for containing carbon powder therein. The housing has a tip end at which an outlet is provided. The housing further has a through hole in which a filter is mounted. An output device is mounted in the outlet of the housing. Accordingly, the toner cartridge smoothes the movement of the carbon powder out of the housing via the outlet to be recyclable and economical.
    Type: Grant
    Filed: June 28, 2004
    Date of Patent: May 30, 2006
    Assignee: General Plastic Industrial Co., LTD
    Inventors: Ya-Li Huang, Huang Ching-Yu, Wang Hui-Yen
  • Toner cartridge
    Publication number: 20050286936
    Abstract: A toner cartridge has a housing for containing carbon powder therein. The housing has a tip end at which an outlet is provided. The housing further has a through hole in which a filter is mounted. An output device is mounted in the outlet of the housing. Accordingly, the toner cartridge smoothes the movement of the carbon powder out of the housing via the outlet to be recyclable and economical.
    Type: Application
    Filed: June 28, 2004
    Publication date: December 29, 2005
    Applicant: General Plastic Industrial Co., Ltd.
    Inventors: Ya-Li Huang, Huang Ching-Yu, Wang Hui-Yen