Qingdao, China

Xiangjie Qin

This inventor holds 1 USPTO granted patent. Top assignee: Shandong University of Science and Technology. Active years: 2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Xiangjie Qin. Retrieved from https://idiyas.com/inventor/xiangjie-qin

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 11.0

ph-index = 1


Company Filing History:


Years Active: 2022

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1 patent (USPTO):Explore Patents

Title: Innovations of Xiangjie Qin in Deep Low-Permeability Gassy Coal Seam Technology

Introduction

Xiangjie Qin is a notable inventor based in Qingdao, China. He has made significant contributions to the field of drilling technology, particularly in the context of deep low-permeability gassy coal seams. His innovative approaches have the potential to enhance the efficiency and safety of coal seam drilling operations.

Latest Patents

Xiangjie Qin holds a patent for a "Drilling-slitting-sealing-fracturing device and method for a deep low-permeability gassy coal seam." This advanced device incorporates a drilling control system, a high-pressure water power system, a water pressure grading control system, and a fracturing and sealing control system. The drilling control system is designed to adjust the drilling direction and water supply pressure of the drill rod. The high-pressure water power system supplies high-pressure water at varying pressures to the device. The water pressure grading control system ensures that the flushing water pressure for drill cuttings remains below 5 MPa, while the pressures for slitting, sealing, and permeability enhancement are set at 25-35 MPa, 35-40 MPa, and 40-50 MPa, respectively. The fracturing and sealing control system manages borehole sealing and hydrofracturing operations.

Career Highlights

Xiangjie Qin is affiliated with Shandong University, where he continues to advance his research and development efforts in drilling technologies. His work is characterized by a commitment to improving the methods used in coal seam drilling, which is crucial for energy extraction and resource management.

Collaborations

Xiangjie Qin collaborates with esteemed colleagues such as Gang Wang and Zhiyuan Liu. Their combined expertise contributes to the innovative solutions being developed in the field of drilling technology.

Conclusion

Xiangjie Qin's contributions to drilling technology, particularly through his patented device for deep low-permeability gassy coal seams, highlight his role as a leading inventor in this specialized field. His work not only enhances drilling efficiency but also addresses safety concerns in coal seam operations.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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