Patents by Inventor Xu Nengzi

Xu Nengzi 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).

  • Pallet truck
    Patent number: 10787351
    Abstract: A pallet truck includes a front frame having at least one fork and being connected to a drive unit through a lift cylinder, a plug-in battery assembly, a hydraulic supply system and a plug-in controller assembly connected to the front frame, and an operator handle connected to the drive unit. The pallet truck may include a rear frame having caster wheel assemblies that are mounted from above, and where the rear frame is connected to the drive unit.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: September 29, 2020
    Assignee: ZHEJIANG E-P EQUIPMENT CO., LTD.
    Inventors: Wu Lili, Huang Chao, Ma Qichen, Dai Jincai, Xu Nengzi
  • Pallet Truck
    Publication number: 20190322508
    Abstract: A pallet truck includes a front frame having at least one fork and being connected to a drive unit through a lift cylinder, a plug-in battery assembly, a hydraulic supply system and a plug-in controller assembly connected to the front frame, and an operator handle connected to the drive unit. The pallet truck may include a rear frame having caster wheel assemblies that are mounted from above, and where the rear frame is connected to the drive unit.
    Type: Application
    Filed: April 17, 2019
    Publication date: October 24, 2019
    Inventors: Wu Lili, Huang Chao, Ma Qichen, Dai Jincai, Xu Nengzi