Patents by Inventor Siu Heng Louie CHAN

Siu Heng Louie CHAN 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).

  • Flashlight unit
    Patent number: 10520166
    Abstract: A flashlight unit includes a housing having an opening including a lens and a light source located in the housing for emitting light through the lens in a lighting direction. The light source is movable in the lighting direction, relative to the lens, for adjusting light emission. The flashlight unit has an adjusting mechanism including a rotatable member for adjusting the position of the light source in the lighting direction, relative to the lens. There is also a limiter for limiting rotational movement of the rotatable member when the light source reaches a predetermined position.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: December 31, 2019
    Assignee: GERMAIN ELECTRONIC LIMITED
    Inventor: Siu Heng Louie Chan
  • FLASHLIGHT UNIT
    Publication number: 20180195697
    Abstract: A flashlight unit includes a housing having an opening including a lens and a light source located in the housing for emitting light through the lens in a lighting direction. The light source is movable in the lighting direction, relative to the lens, for adjusting light emission. The flashlight unit has an adjusting mechanism including a rotatable member for adjusting the position of the light source in the lighting direction, relative to the lens. There is also a limiter for limiting rotational movement of the rotatable member when the light source reaches a predetermined position.
    Type: Application
    Filed: November 21, 2017
    Publication date: July 12, 2018
    Inventor: Siu Heng Louie CHAN