Patents by Inventor Yingchao Xu

Yingchao Xu 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: 20240207239
    Abstract: A composition and a preparation method therefor, the composition including an active ingredient and a stabilizer, wherein the stabilizer includes an ionic surfactant and a spatial stabilizer. The composition has advantages, such as a high dissolution rate, a fast dissolution speed, a high particle size stability and a high bioavailability, as well as a small tablet weight, granule weight or preparation volume. The preparation method has advantages such as simple operation and being environmentally friendly.
    Type: Application
    Filed: January 26, 2022
    Publication date: June 27, 2024
    Applicant: SUNSHINE LAKE PHARMA CO., LTD.
    Inventors: Yingchao XU, Xue LI, Lirong WANG, Tianxiang SHI, Xin HUANG, Jinsong YOU, Fangfang HUANG, Qian WANG
  • Patent number: 10724300
    Abstract: The present invention relates to a downhole drilling tool system of torque self-balancing and belongs to a technical field of drilling engineering equipment. The drilling tool system consists of an assembly of internal and external drill bits, power components, a pressure adjustment system for internal and external drill bits, a mud circulating system, and an unfreezing system.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: July 28, 2020
    Assignee: Jilin University
    Inventors: Ke Gao, Youhong Sun, Zhigang Wang, Yan Zhao, Kun Bo, Xiaobo Xie, Haiyong Wang, Xiaochu Wang, Zhao Liu, Yafei Wang, Hangkai Chen, Saiyu Peng, Yingchao Xu, Lidong Xing
  • Publication number: 20190063157
    Abstract: The present invention relates to a downhole drilling tool system of torque self-balancing and belongs to a technical field of drilling engineering equipment. The drilling tool system consists of an assembly of internal and external drill bits, power components, a pressure adjustment system for internal and external drill bits, a mud circulating system, and an unfreezing system.
    Type: Application
    Filed: February 16, 2018
    Publication date: February 28, 2019
    Applicant: Jilin University
    Inventors: Ke Gao, Youhong Sun, Zhigang Wang, Yan Zhao, Kun Bo, Xiaobo Xie, Haiyong Wang, Xiaochu Wang, Zhao Liu, Yafei Wang, Hangkai Chen, Saiyu Peng, Yingchao Xu, Lidong Xing