Patents by Inventor GAO-WEN LIU

GAO-WEN LIU 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).

  • VACUUM TYPE POSITIONING APPARATUS
    Publication number: 20090026677
    Abstract: A vacuum type positioning apparatus (10), used in insert-molding machine for positioning an inserted workpiece (181), is provided. The vacuum type positioning apparatus includes a vacsorb unit (11) and a positioning unit (15). The positioning unit connects with the vacsorb unit. The positioning unit has an attaching wall (1912). The vacsorb unit provides a suction pressure for the positioning unit to attach the inserted workpiece with the attaching wall.
    Type: Application
    Filed: November 28, 2007
    Publication date: January 29, 2009
    Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., SUTECH TRADING LIMITED
    Inventors: GAO-WEN LIU, ZHI-QIANG CHEN, TAO WEN