Patents by Inventor Siou Ru Chen

Siou Ru Chen 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).

  • Patent number: 7066061
    Abstract: A screwdriver includes a main body, an end cap, and a holding seat. Thus, the tips are inserted into the mounting holes of the holding seat and received in the receiving chamber of the main body, thereby facilitating the user carrying the tips, and thereby saving the space of storage. In addition, the holding seat is rotatable relative to the end cap, so that the mounting holes of the holding seat are directed outward to facilitate the user removing or placing the tips.
    Type: Grant
    Filed: February 3, 2005
    Date of Patent: June 27, 2006
    Inventors: Yi Ying Chen, Siou Ru Chen, Su Fen Lin
  • Patent number: 7051626
    Abstract: A screwdriver includes a main body, an end cap, a holding seat, and a release mechanism. Thus, the holding seat and the end cap are removed from the main body easily and rapidly, thereby facilitating the user taking or placing the tips mounted in the mounting holes of the holding seat. In addition, the user only needs to press the push button of each of the two push button sets of the release mechanism so as to detach the holding seat and the end cap from the main body, thereby facilitating the user removing the holding seat and the end cap from the main body.
    Type: Grant
    Filed: February 5, 2005
    Date of Patent: May 30, 2006
    Inventors: Yi Ying Chen, Siou Ru Chen, Su Fen Lin