Patents by Inventor Liang Xiao Chang

Liang Xiao 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).

  • Retrofit doorlight blind assembly
    Patent number: 6817401
    Abstract: A retrofit blind assembly for a doorlight. The assembly includes a frame, a transparent panel, and a blind snap-fitted to the frame. The blind actuator includes gears and a toothed belt for positive, non-slip actuation. A pair of blind guides are mounted on the opposite sides of the frame to receive and guide the opposite ends of the blind. The mounting system includes a pair of brackets that can be secured between the doorlight and the door and upon which the assembly can be hung. The mounting system also includes a pair of movable catches on the lower portion of the frame snap that can be locked behind the doorlight to secure the lower end of the assembly.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: November 16, 2004
    Assignee: ODL, Incorporated
    Inventors: Luann Y. Sun, Mike S. Eveland, Benjamin P. Hummel, Kapil K. Mehra, Andrew R. Krochmal, Michele M. Dorcic-Lechenet, Keith Patrick Early, Liang Xiao Chang
  • Retrofit doorlight blind assembly
    Publication number: 20040069417
    Abstract: A retrofit blind assembly for a doorlight. The assembly includes a frame, a transparent panel, and a blind snap-fitted to the frame. The blind actuator includes gears and a toothed belt for positive, non-slip actuation. A pair of blind guides are mounted on the opposite sides of the frame to receive and guide the opposite ends of the blind. The mounting system includes a pair of brackets that can be secured between the doorlight and the door and upon which the assembly can be hung. The mounting system also includes a pair of movable catches on the lower portion of the frame snap that can be locked behind the doorlight to secure the lower end of the assembly.
    Type: Application
    Filed: October 10, 2002
    Publication date: April 15, 2004
    Inventors: Luann Y. Sun, Mike S. Eveland, Benjamin P. Hummel, Kapil K. Mehra, Andrew R. Krochmal, Michele M. Dorcic-Lechenet, Keith Patrick Early, Liang Xiao Chang