Patents by Inventor Jiang-Wen Zuo

Jiang-Wen Zuo 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: 20170101122
    Abstract: a foldable stroller capable of being formed into a trolley, comprising a front tube, a rear tube, a seat frame, an armrest, a pushing lever, and a handle connected to the pushing lever via a second joint assembly which allows pivotal movement of the handle relative to the pushing lever; the front tube having an extensible draw bar; wherein when the rear tube, seat frame, armrest and pushing lever are folded toward the front tube by joints, the handle is pivotally moved at 90-100 degrees relative to the pushing lever through the second joint assembly, and then the draw bar is pulled out of the front tube, whereby the trolley is formed; the foldable stroller can be folded in a small size and is easy to carry and store, moreover, if the baby has grown up, the stroller can be used as the trolley to avoid unnecessary waste.
    Type: Application
    Filed: October 8, 2015
    Publication date: April 13, 2017
    Inventors: JIANG-WEN ZUO, YI-LIANG ZHANG
  • Patent number: 9604660
    Abstract: A foldable stroller capable of being formed into a trolley, comprising a front tube, a rear tube, a seat frame, an armrest, a pushing lever, and a handle connected to the pushing lever via a second joint assembly which allows pivotal movement of the handle relative to the pushing lever; the front tube having an extensible draw bar; wherein when the rear tube, seat frame, armrest and pushing lever are folded toward the front tube by joints, the handle is pivotally moved at 90-100 degrees relative to the pushing lever through the second joint assembly, an then the draw bar is pulled out of the front tube, whereby the trolley is formed; the foldable stroller can be folded in a small size and is easy to carry and store, moreover, if the baby has grown up, the stroller can be used as the trolley to avoid unnecessary waste.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: March 28, 2017
    Inventors: Jiang-Wen Zuo, Yi-Liang Zhang