Patents by Inventor Hailong LV

Hailong LV 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: 20240018835
    Abstract: The present disclosure provides an automatic minor repair operation system for an oil field, a pipe column conveying and discharging device for use in an automatic minor repair operation apparatus system, an anti-opening mechanism for an elevator and a turnover elevator, a manipulator and a workover operation device for a workover operation, an integrated automatic wellhead operation apparatus, and a power slip for an oil field workover operation. The automatic minor repair operation apparatus system includes: a workover machine, a pipe column conveying and discharging device, an elevator for a workover operation, a manipulator for a workover operation, an integrated automatic wellhead operation apparatus, and a power slip for an oil field workover operation.
    Type: Application
    Filed: June 8, 2023
    Publication date: January 18, 2024
    Inventors: Xiqing ZHANG, Duanguang ZHANG, Junfang SHEN, Qiuling WANG, Hailong LV, Jiaojiao ZHANG, Xiaonan ZHANG, Yanli JIA, Wenping HAN