Patents by Inventor XianQing CHEN

XianQing CHEN 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).

  • Patent number: 9140417
    Abstract: Disclosed is a dual-lens zooming flashlight, comprising a lamp cap, a cylinder body, a luminous element and two plano-convex lenses, characterized in that: the lamp cap is sleeved at the front part of the cylinder body, rotated together with the cylinder body and connected with the cylinder body in a relatively telescopic manner, the two plano-convex lenses are both arranged in such a manner of being perpendicular to an optic axis in front of the luminous element, wherein the first plano-convex lens is fixedly arranged at the front end of the cylinder body and keeps a constant distance from the luminous element, and the second plano-convex lens is arranged at the front end of the lamp cap and capable of moving backwards and forwards in relation to the luminous element along with rotary telescopic motion of the lamp cap and the cylinder body.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: September 22, 2015
    Inventor: XianQing Chen
  • Publication number: 20140240969
    Abstract: Disclosed is a dual-lens zooming flashlight, comprising a lamp cap, a cylinder body, a luminous element and two plano-convex lenses, characterized in that: the lamp cap is sleeved at the front part of the cylinder body, rotated together with the cylinder body and connected with the cylinder body in a relatively telescopic manner, the two plano-convex lenses are both arranged in such a manner of being perpendicular to an optic axis in front of the luminous element, wherein the first plano-convex lens is fixedly arranged at the front end of the cylinder body and keeps a constant distance from the luminous element, and the second plano-convex lens is arranged at the front end of the lamp cap and capable of moving backwards and forwards in relation to the luminous element along with rotary telescopic motion of the lamp cap and the cylinder body.
    Type: Application
    Filed: August 26, 2013
    Publication date: August 28, 2014
    Inventor: XianQing CHEN