Patents by Inventor Jiang Jia ZHI

Jiang Jia ZHI 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: 20080156235
    Abstract: Apparatus and system for leveling a playing surface on a table, such as a billiards or pool table, which utilizes a plate which supports the playing surface and which is tiltable about an x and y-axis for maintaining contact with the playing surface regardless the angle of the surface relative to the frame. Further, the apparatus is height adjustable to assist with leveling the playing surface in engagement with the plate of the leveling apparatus. Leveling apparatus are also provided between the legs of the table and the frame and which can be pre-leveled before positioning the playing surface to minimize the amount of leveling required to level the playing surface relative to the frame.
    Type: Application
    Filed: December 27, 2006
    Publication date: July 3, 2008
    Applicant: ZHONGSHAN RISING DRAGON BILLIARD CO. LTD.
    Inventors: John Paul KEIRSTEAD, Darcy AMENDT, Glenn Francis AMENDT, Gustaaf Maarten RUS, Pete VAN'T HOFF, Peng Xue WEN, Liu Xue WEN, Wu GANG, Jiang Jia ZHI