Patents by Inventor Qingdong Richard Jiang

Qingdong Richard Jiang 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).

  • Combined traffic flow and maintenance information display for a passenger conveyor
    Patent number: 8141693
    Abstract: A display device (40) for use with a passenger conveyor (20) provides a traffic flow direction indicator and visible maintenance information. One example includes a display panel (42) supported on a surface (38) that is conveniently positioned between a handrail (28) and a landing (24). In one example, a single display panel (42) alternatively provides the traffic flow direction indicator or the maintenance information. In another example a first display panel (42) and a second display panel (48) are supported on a plate (43) that is selectively moveable into different positions, depending on which display panel should be visible. One example includes a remote signaling device (62) that allows an individual to control the information shown on the display device (40).
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: March 27, 2012
    Assignee: Otis Elevator Company
    Inventors: Frank Sansevero, Carla Majuntke, Ralph Stripling, Scott Ashworth, Bernward Engelke, Qingdong Richard Jiang, Ruoming Roy Tian
  • Comb plate for passenger conveyor with moving flange
    Patent number: 7353931
    Abstract: Comb plate (18) for a passenger conveyor (2) with a conveyor band and a moving flange a number of teeth (24) arranged on it essentially parallel to one another across the width of the conveyor band, which mesh in use with grooves (6) provided on the upper surface of the conveyor band characterised by a deflector guard (26) which is arranged at the lateral edge of the comb plate (18) and extends a certain height above the upper surface of the comb plate (18).
    Type: Grant
    Filed: February 7, 2003
    Date of Patent: April 8, 2008
    Assignee: Otis Elevator Company
    Inventors: Dave Jarvis, Frank Sansevero, Qingdong Richard Jiang, Yanying Anne Chen, Dietmar Thaler, Ruoming Roy Tian, Alexander Bellendir