Patents by Inventor Yick B. Shum

Yick B. Shum 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).

  • Publication number: 20140097041
    Abstract: A scaffold includes a frame assembly. The scaffold includes planks that are disposed on the frame assembly. The scaffold includes wheels attached to the frame assembly on which the frame assembly rolls. The scaffold includes a project tray which extends from the frame assembly. The scaffold includes a telescoping tube assembly that is mounted to the frame assembly and on which the tray is mounted. A method for using a scaffold. The method includes the steps of placing a telescoping tray assembly at a desired height relative to a frame assembly having planks disposed on it by moving the tray assembly which extends from the frame assembly. There is the step of locking the tray assembly at the desired height to the frame assembly.
    Type: Application
    Filed: July 11, 2013
    Publication date: April 10, 2014
    Applicant: Werner co.
    Inventors: David A. Winslow, Yick B. Shum, John j. Dylik, Marcus Burzynski
  • Patent number: 8490747
    Abstract: A scaffold includes a frame assembly. The scaffold includes planks that are disposed on the frame assembly. The scaffold includes wheels attached to the frame assembly on which the frame assembly rolls. The scaffold includes a project tray which extends from the frame assembly. The scaffold includes a telescoping tube assembly that is mounted to the frame assembly and on which the tray is mounted. A method for using a scaffold. The method includes the steps of placing a telescoping tray assembly at a desired height relative to a frame assembly having planks disposed on it by moving the tray assembly which extends from the frame assembly. There is the step of locking the tray assembly at the desired height to the frame assembly.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: July 23, 2013
    Assignee: Werner Co.
    Inventors: David A. Winslow, Yick B. Shum, John J. Dylik, Marcus Burzynski
  • Publication number: 20080000722
    Abstract: A scaffold includes a frame assembly. The scaffold includes planks that are disposed on the frame assembly. The scaffold includes wheels attached to the frame assembly on which the frame assembly rolls. The scaffold includes a project tray which extends from the frame assembly. The scaffold includes a telescoping tube assembly that is mounted to the frame assembly and on which the tray is mounted. A method for using a scaffold. The method includes the steps of placing a telescoping tray assembly at a desired height relative to a frame assembly having planks disposed on it by moving the tray assembly which extends from the frame assembly. There is the step of locking the tray assembly at the desired height to the frame assembly.
    Type: Application
    Filed: June 30, 2006
    Publication date: January 3, 2008
    Inventors: David A. Winslow, Yick B. Shum, John J. Dylik, Marcus Burzynski