Patents by Inventor Pi-Ying Chang

Pi-Ying Chang 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).

  • LASH BRUSH
    Publication number: 20140007897
    Abstract: A lash brush includes a case, a rotatable shaft, a plurality of bristles and a reciprocating transmission mechanism, the rotatable shaft is driven into reciprocal motion along an axial line by the reciprocating transmission mechanism, a first unit of the reciprocating transmission mechanism comprises an actuating surface having a plurality of spacing members, a second unit of the reciprocating transmission mechanism comprises a contacting terminal contacting against each of the spacing terminals in sequence to make the rotatable shaft vibrate back and forth instantaneously along the axial line.
    Type: Application
    Filed: July 2, 2013
    Publication date: January 9, 2014
    Inventors: Guang-Miao Huang, Jing-Hui Wang, Kuang-Hung Hsien, Cheng-Liang Yao, Pi-Ying Chang