Patents by Inventor Jianliang Duan

Jianliang Duan 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).

  • Reinforced cable used for submersible pump
    Patent number: 10043600
    Abstract: The present application relates to a reinforced cable used for submersible pump, consisting of a fluororubber sheath, a filler, wire ropes and signal cables. The wire ropes and the signal cables are arranged in a central region of the cable; the filler is filled in the surrounding, and the fluororubber sheath is extruded outside the filler; and the signal cable comprises a conductor and an insulating bush, a sintered membrane is formed on an outer wall of the conductor, and the insulating bush is extruded outside the conductor.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: August 7, 2018
    Assignees: HEBEI HUATONG WIRES & CABLES GROUP CO., LTD., SHINDA (TANGSHAN) CREATIVE OIL & GAS EQUIPMENT CO., LTD.
    Inventors: Fengshou Shangguan, Shujun Zhang, Wei Cheng, John Wahba, Xiangjin Wu, Jianliang Duan, Jian Dong, Jiping Yuan