Patents by Inventor Lin-Zhen ZHENG

Lin-Zhen 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).

  • Play yard assembly
    Patent number: 8528130
    Abstract: A play yard assembly comprises a frame and a bassinet. The frame includes a frame head, a frame tail, and left and right side portions connected between the frame head and the frame tail to define an accommodating space thereamong. The bassinet has a head end, a tail end, a bed bottom connected between the head end and the tail end. The head end is positionable relative to the frame at a first height position and a second height position higher than the first height position. The bed bottom has a first end portion connected to the tail end, and a second end portion connected to the head end. The second end portion of the bed bottom is higher than that of the first end portion of the bed bottom when the head end is disposed at the second height position.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: September 10, 2013
    Assignee: Wonderland Nurserygoods Company Limited
    Inventors: Nan-Gui Bu, Lin-Zhen Zheng
  • PLAY YARD ASSEMBLY
    Publication number: 20110197358
    Abstract: A play yard assembly comprises a frame and a bassinet. The frame includes a frame head, a frame tail, and left and right side portions connected between the frame head and the frame tail to define an accommodating space thereamong. The bassinet has a head end, a tail end, a bed bottom connected between the head end and the tail end. The head end is positionable relative to the frame at a first height position and a second height position higher than the first height position. The bed bottom has a first end portion connected to the tail end, and a second end portion connected to the head end. The second end portion of the bed bottom is higher than that of the first end portion of the bed bottom when the head end is disposed at the second height position.
    Type: Application
    Filed: October 22, 2010
    Publication date: August 18, 2011
    Applicant: WONDERLAND NURSERYGOODS COMPANY LIMITED
    Inventors: Nan-Gui BU, Lin-Zhen ZHENG