Patents by Inventor Hung-Jen Li

Hung-Jen Li 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).

  • Publication number: 20200354872
    Abstract: A denim vintage wash device includes a washing drum and a plurality of friction elements. The washing drum is rotationally installed in a machine body that is connected with an inlet tube through which water is fed into the washing drum. The plurality of friction elements are accommodated in the washing drum and consist of bamboo pieces. In practice, the washing drum in which denim clothes to be contacted by the friction elements are placed and water is filled is enabled to rotate. Then, the denim clothes rubbed by the friction elements are faded and/or outworn.
    Type: Application
    Filed: May 6, 2019
    Publication date: November 12, 2020
    Inventor: Hung-Jen Li
  • Publication number: 20140014694
    Abstract: A tool box includes a box body having a pivoting hole opened thereon, a plurality of positioning protrusions protruded on the box body, a clamping plate having a pivoting shaft at one end thereof, the pivoting shaft inserted into the pivoting hole, the pivoting shaft having a positioning hook at a top end thereof, the positioning hook used to hook at the periphery of the pivoting hole, a plurality of positioning notches opened on clamping plate, each positioning notch receiving each positioning protrusion. Therefore, when the tool box is hanged on a belt of a user who is sitting in a vehicle, the user can rotate the box body on the clamping plate and the tool box is horizontally positioned on the belt.
    Type: Application
    Filed: July 12, 2012
    Publication date: January 16, 2014
    Inventor: Hung-Jen Li