Patents by Inventor Zidan CHEN

Zidan CHEN 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).

  • Multi-axis turntable
    Patent number: 11945065
    Abstract: A multi-axis turntable includes a base, a rocker arm and a first driving device capable of driving the rocker arm to rock around the first rotation axis on the base. A swing arm and a second driving device, which is capable of driving the swing arm to swing around the second rotation axis on the rocker arm, are provided on the rocker arm. A workbench and a third driving device for driving the workbench to rotate around the third rotation axis are provided on the swing arm. The second rotation axis and the third rotation axis are parallel to each other or on different planes. Compared with the existing double rotating shaft turntable, the multi-axis turntable of the present invention has a cutting tool system of good and stable rigidity.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: April 2, 2024
    Assignee: KEDE NUMERICAL CONTROL CO., LTD.
    Inventors: Hu Chen, Xin Deng, Zhihong Wei, Hongwei Sun, Yapeng Li, Haibo Zhang, Changlin Du, Cuijuan Guo, Guoshuai Zhang, Jun Wang, Feng Wang, Yinghua Li, Shaoyi Liu, Zidan Ju
  • Method for preparing single crystal of anhydrous halogenated choline or derivative thereof
    Patent number: 10626079
    Abstract: Disclosed is a method for preparing high-quality anhydrous choline halide single crystal and its derivatives. The single crystal product has good stability of light and heat. It also has the advantages of moisture resistant, deliquescent resistance and is not easy to agglomerate. The method is simple in operation. The solvent used in the process is difficult to volatilize and can be recycled.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: April 21, 2020
    Assignee: HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Erhong Duan, Shaohan Lian, Zidan Chen, Hongwei Ren, Hua Sun, Jianrui Niu
  • METHOD FOR PREPARING SINGLE CRYSTAL OF ANHYDROUS HALOGENATED CHOLINE OR DERIVATIVE THEREOF
    Publication number: 20200039918
    Abstract: Disclosed is a method for preparing high-quality anhydrous choline halide single crystal and its derivatives. The single crystal product has good stability of light and heat. It also has the advantages of moisture resistant, deliquescent resistance and is not easy to agglomerate. The method is simple in operation. The solvent used in the process is difficult to volatilize and can be recycled.
    Type: Application
    Filed: April 28, 2017
    Publication date: February 6, 2020
    Inventors: Erhong DUAN, Shaohan LIAN, Zidan CHEN, Hongwei REN, Hua SUN, Jianrui NIU