Patents by Inventor Sumi WANG

Sumi WANG 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).

  • Patent number: 9469366
    Abstract: A portable foldable electric tricycle that can be folded to form a trolley suitcase shape and a chair includes a folding frame connecting a front wheel assembly and handlebar assembly to a seat. The front wheel assembly includes an electric motor to drive the front wheel. A backrest and rear wheel assembly are hinge connected with the seat by oppositely disposed four bar linkages. A stand is hinge connected to the seat. The folding frame, front wheel assembly and handlebar assembly can be folded to a position within the seat and the stand folded to a position in which it supports the seat to define the chair configuration of the electric tricycle. The backrest and rear wheel assembly can be folded to non-extended positions in which they are disposed adjacent the seat to define the trolley suitcase configuration of the case.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: October 18, 2016
    Inventors: Jianmin Wang, Sumi Wang
  • Publication number: 20160016629
    Abstract: A portable foldable electric tricycle that can be folded to form a trolley suitcase shape and a chair includes a folding frame connecting a front wheel assembly and handlebar assembly to a seat. The front wheel assembly includes an electric motor to drive the front wheel. A backrest and rear wheel assembly are hinge connected with the seat by oppositely disposed four bar linkages. A stand is hinge connected to the seat. The folding frame, front wheel assembly and handlebar assembly can be folded to a position within the seat and the stand folded to a position in which it supports the seat to define the chair configuration of the electric tricycle. The backrest and rear wheel assembly can be folded to non-extended positions in which they are disposed adjacent the seat to define the trolley suitcase configuration of the case.
    Type: Application
    Filed: September 30, 2015
    Publication date: January 21, 2016
    Inventors: Jianmin WANG, Sumi WANG