Patents by Inventor Liang Kan Zheng

Liang Kan Zheng 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).

  • Telescoping floor seal for vertically displaceable partition
    Patent number: 8336257
    Abstract: A telescoping floor seal assembly comprising an attachment portion adapted to be mounted to a bottom edge of a vertically displaceable partition, and a displaceable sealing portion slideably mounted within the attachment portion for relative displacement therewith between a fully collapsed position and a fully extended position and described. The displaceable sealing portion has at least one longitudinal sealing edge member at a base thereof for contacting a floor when the vertical partition is displaced to a closed position. The attachment portion is substantially vertically displaceable with the vertically displaceable partition while the sealing edge member of the displaceable sealing portion remains in sealing contact with the floor within a predetermined displacement range of vertical movement of the vertical partition.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: December 25, 2012
    Assignee: Railquip Enterprises Inc.
    Inventors: Mark McDonald, Jack Zagorski, Liang Kan Zheng
  • TELESCOPING FLOOR SEAL FOR VERTICALLY DISPLACEABLE PARTITION
    Publication number: 20120011777
    Abstract: A telescoping floor seal assembly comprising an attachment portion adapted to be mounted to a bottom edge of a vertically displaceable partition, and a displaceable sealing portion slideably mounted within the attachment portion for relative displacement therewith between a fully collapsed position and a fully extended position and described. The displaceable sealing portion has at least one longitudinal sealing edge member at a base thereof for contacting a floor when the vertical partition is displaced to a closed position. The attachment portion is substantially vertically displaceable with the vertically displaceable partition while the sealing edge member of the displaceable sealing portion remains in sealing contact with the floor within a predetermined displacement range of vertical movement of the vertical partition.
    Type: Application
    Filed: September 29, 2010
    Publication date: January 19, 2012
    Inventors: Mark McDonald, Jack Zagorski, Liang Kan Zheng