Patents by Inventor Ruzhuang Zhao

Ruzhuang Zhao 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: 8596445
    Abstract: A balustrade assembly includes a decking panel and a skirt panel that are attached to one another and to a balustrade support structure without fasteners. A positioning device included in the balustrade assembly varies the position of the skirt panel relative to moving steps in two directions by pushing against stationary components that are a part of or otherwise connected to a frame of a passenger conveyor. A balustrade support employed in the assembly reduces material and manufacturing costs and is adjustable to vary the height of a balustrade panel and handrails in a passenger conveyor.
    Type: Grant
    Filed: April 20, 2009
    Date of Patent: December 3, 2013
    Assignee: Otis Elevator Company
    Inventors: Ke Ye, Yanying Chen, Ruoming Tian, Songjian He, Shouhong Wang, Ruzhuang Zhao, Coliu Wu, Zhigao Mai, Yongjun Huang, Richard Qingdong Jiang
  • Publication number: 20120111695
    Abstract: A balustrade assembly includes a decking panel and a skirt panel that are attached to one another and to a balustrade support structure without fasteners. A positioning device included in the balustrade assembly varies the position of the skirt panel relative to moving steps in two directions by pushing against stationary components that are a part of or otherwise connected to a frame of a passenger conveyor. A balustrade support employed in the assembly reduces material and manufacturing costs and is adjustable to vary the height of a balustrade panel and handrails in a passenger conveyor.
    Type: Application
    Filed: April 20, 2009
    Publication date: May 10, 2012
    Applicant: OTIS ELEVATOR COMPANY
    Inventors: Ke Ye, Yanying Chen, Ruoming Tian, Songjian He, Shouhong Wang, Ruzhuang Zhao, Coliu Wu, Zhigao Mai, Yongjun Huang, Richard Qingdong Jiang