Patents by Inventor Chaohua Li

Chaohua Li 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: 20240301648
    Abstract: Disclosed is a movable foundation static load test apparatus, which includes a rack, a crawler traveling mechanism and a position adjusting mechanism. The rack is configured to place a balancing weight, the crawler traveling mechanism includes a frame fixedly connected with the rack and is configured to drive the rack to travel, the position adjusting mechanism has a movable stroke moving along the vertical direction, the rack has a movable stroke moving along the vertical direction, the position adjusting mechanism is configured to adjust the distance between the rack and a test object. The crawler traveling mechanism drives the rack to travel, after reaching a test point, the distance between the rack and the test object is adjusted by the position adjusting mechanism to carry out a static load test, the rack may be conveniently moved through the crawler traveling mechanism.
    Type: Application
    Filed: January 30, 2024
    Publication date: September 12, 2024
    Applicant: Guangdong Construction Engineering Quality & Safety Testing Head Station Co., Ltd.
    Inventors: Shaoxiang CHEN, Wenlong LV, Chaohua LI, Zhonghua PANG, Guangping LI, Zuoping ZHANG, Xuejun ZHANG, Mei YANG, Ming XIAO, Shicong WEN, Sinan DAI, Yongqiao XIE
  • Patent number: 11947700
    Abstract: A data access control method and a database access apparatus. The method includes: obtaining a first data operation instruction, where the instruction is triggered by a first user; querying permission setting information based on the identifier of the target data body, and determining permission of the first user to operate the target data body, where the permission setting information includes an identifier of at least one data body and permission of at least one user to operate the at least one data body; generating a second data operation instruction based on the permission of the first user to operate the target data body and the first data operation instruction; and executing the second data operation instruction to operate data in the target data body within a target range, where the target range is a range allowed by the permission of the first user to operate the target data body.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: April 2, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Qigang Xie, Chaohua Li
  • Publication number: 20210034777
    Abstract: A data access control method and a database access apparatus. The method includes: obtaining a first data operation instruction, where the instruction is triggered by a first user; querying permission setting information based on the identifier of the target data body, and determining permission of the first user to operate the target data body, where the permission setting information includes an identifier of at least one data body and permission of at least one user to operate the at least one data body; generating a second data operation instruction based on the permission of the first user to operate the target data body and the first data operation instruction; and executing the second data operation instruction to operate data in the target data body within a target range, where the target range is a range allowed by the permission of the first user to operate the target data body.
    Type: Application
    Filed: October 16, 2020
    Publication date: February 4, 2021
    Inventors: Qigang Xie, Chaohua Li