Patents by Inventor Quansheng Liu

Quansheng Liu 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).

  • END CAP OF LAMP TUBE AND ILLUMINATING DEVICE USING SAID END CAP
    Publication number: 20160123543
    Abstract: Various embodiments may relate to an end cap for a lamp tube of an illuminating device, including a mounting ring fixedly mounted to one end of the lamp tube by means of an assembled end, and a cover plate for closing the mounting ring at a free end. The end cap further includes a rotating ring mounted between the mounting ring and the cover plate at the free end, the cover plate rotatably closes the mounting ring by means of the rotating ring. Further various embodiments relate to an illuminating device adopting the end cap.
    Type: Application
    Filed: May 28, 2014
    Publication date: May 5, 2016
    Inventors: Junnan He, Yunsong Zhang, Quansheng Liu, Shijun Nie
  • Base, round tube housing and lamp including base and round tube housing
    Patent number: 9255668
    Abstract: A base configured to carry a light emitting body and to be inserted into a round tube housing, may include: a rectangular portion configured to carry the light emitting body on a first surface of the rectangular portion; and first and second fixing portions configured to extend from first and second long edges of the rectangular portion respectively in a space that a second surface of the rectangular portion faces, such that when the base is inserted into the round tube housing, at least a part of each of the first and second fixing portions presses against the inner wall of the round tube housing, and a first part close to the first long edge and a second part close to the second long edge in the first surface of the rectangular portion press against first and second protrusions on the inner wall of the round tube housing respectively.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: February 9, 2016
    Assignee: OSRAM GmbH
    Inventors: Zesheng Ye, Nimchung Ku, Middel Tjaco, Quansheng Liu
  • BASE, ROUND TUBE HOUSING AND LAMP INCLUDING BASE AND ROUND TUBE HOUSING
    Publication number: 20140240972
    Abstract: A base configured to carry a light emitting body and to be inserted into a round tube housing, may include: a rectangular portion configured to carry the light emitting body on a first surface of the rectangular portion; and first and second fixing portions configured to extend from first and second long edges of the rectangular portion respectively in a space that a second surface of the rectangular portion faces, such that when the base is inserted into the round tube housing, at least a part of each of the first and second fixing portions presses against the inner wall of the round tube housing, and a first part close to the first long edge and a second part close to the second long edge in the first surface of the rectangular portion press against first and second protrusions on the inner wall of the round tube housing respectively.
    Type: Application
    Filed: September 25, 2012
    Publication date: August 28, 2014
    Applicant: OSRAM GmbH
    Inventors: Zesheng Ye, Nimchung Ku, Middel Tjaco, Quansheng Liu