Patents by Inventor Helen Qin

Helen Qin 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).

  • Building control device with a light guide configured for uniformly illuminating a graphical symbol that is visible to a user of the building control device
    Patent number: 12282187
    Abstract: A building control device includes a printed circuit board (PCB) assembly with a controller. A lighting assembly is operatively coupled to the PCB and is controlled by the controller. The lighting assembly includes a light guide that extends around a periphery of an interposing region. The light guide having a front face and one or more light sources optically coupled to the light guide such that light provided by the one or more light sources enters the light guide and is distributed to the front face of the light guide to provide a diffuse light output. A cover forms at least part of a front face of the building control device and includes a transparent region in registration with at least part of the front face of the light guide.
    Type: Grant
    Filed: September 13, 2023
    Date of Patent: April 22, 2025
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Chao Chen, Rick Han, Tonya Tang, Zhi Yi Sun, Qixiang Hu, Helen Yan, Kaixuan Qin, Lily Zhao, Harvey Ma
  • Mobile device vehicle mount
    Patent number: D726175
    Type: Grant
    Filed: January 8, 2013
    Date of Patent: April 7, 2015
    Assignee: Mophie, Inc.
    Inventors: Denny Tsai, Hien Nguyen, Helen Qin, Ken Ma