Patents by Inventor Shao Jian Feng

Shao Jian Feng 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).

  • Dual focus flashlight
    Patent number: 9964281
    Abstract: Disclosed are flashlights that optimize the light output and beam focus of both a flood beam and a spot beam. The disclosed flashlights include a housing member and a lens including a first focusing element adapted to shape a light beam into a spot beam and a second focusing element adapted to shape a light beam into a flood beam. A first LED is positioned to direct light through the first focusing element, and a second LED positioned to direct light through the second focusing element. The first LED has a smaller die than the second LED, and the distance between the first LED and the first focusing element is greater than the distance between the second LED and the second focusing element.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: May 8, 2018
    Assignee: Coast Cutlery Co.
    Inventors: Gregory David Windom, Kam Fu Choo, Hai Rong Shi, Chao Jun Ding, Shao Jian Feng, Kin Pak Leung
  • DUAL FOCUS FLASHLIGHT
    Publication number: 20160033107
    Abstract: Disclosed are flashlights that optimize the light output and beam focus of both a flood beam and a spot beam. The disclosed flashlights include a housing member and a lens including a first focusing element adapted to shape a light beam into a spot beam and a second focusing element adapted to shape a light beam into a flood beam. A first LED is positioned to direct light through the first focusing element, and a second LED positioned to direct light through the second focusing element. The first LED has a smaller die than the second LED, and the distance between the first LED and the first focusing element is greater than the distance between the second LED and the second focusing element.
    Type: Application
    Filed: April 13, 2015
    Publication date: February 4, 2016
    Inventors: Gregory David Windom, Kam Fu Choo, Hai Rong Shi, Chao Jun Ding, Shao Jian Feng, Kin Pak Leung
  • Pen light
    Patent number: D676170
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: February 12, 2013
    Assignee: Coast Cutlery Company
    Inventors: Shao Jian Feng, Chao Jun Ding
  • Pen light
    Patent number: D770071
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: October 25, 2016
    Assignee: Coast Cutlery Co.
    Inventors: Gregory David Windom, Kam Fu Choo, Shao Jian Feng, Hai Rong Shi