Patents by Inventor Liang Cen

Liang Cen 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).

  • MECHANICAL TURNPLATE TYPE ROTATABLY DIMMING DEVICE AND DIMMING METHOD THEREOF
    Publication number: 20110285285
    Abstract: A mechanical turnplate type rotatably dimming device has a bottom part (1) and a front part (7) of a lamp holder, which form a cavity for holding a dimming part. The dimming part comprises a PCB (5) with potentials, an electric brush (4), a transmission unit (3) and another end is elastically contacted with the potential region of the PCB (5). The transmission unit (5) is buckled with the turnplate (25).
    Type: Application
    Filed: December 5, 2009
    Publication date: November 24, 2011
    Applicant: SHENZHEN LANGHENG ELECTRICAL CO., LTD.
    Inventor: Liang Cen
  • Flashlight
    Patent number: D636511
    Type: Grant
    Filed: February 15, 2010
    Date of Patent: April 19, 2011
    Assignee: Shenzhen Langheng Electrical Co., Ltd
    Inventor: Liang Cen
  • Bicycle lamp
    Patent number: D679040
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: March 26, 2013
    Assignee: Shenzhen Langheng Electronic Co., Ltd.
    Inventors: Liang Cen, Zhijian Chen, Jinping Mei
  • Headlamp
    Patent number: D712579
    Type: Grant
    Filed: June 16, 2012
    Date of Patent: September 2, 2014
    Assignee: Shenzhen Langheng Electronic Co., Ltd.
    Inventors: Liang Cen, Zhongzhi Feng