This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignee: Ccteg Chongqing Research Institute. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Yongsan Liu and His Mining Technology Patents.
Introduction
Yongsan Liu is an inventor based in Chongqing, China, associated with CCTEG Chongqing Research Institute. His patent work includes technologies for abrasive-jet cutting and mining equipment. The available information lists 3 patents.
Latest Patents
One of Liu’s latest patents is “Rear-Mounted Double-Channel Abrasive Jet Cutting Device.” The invention is designed for coal-seam pressure relief and permeability improvement. It uses separate channels to convey high-pressure water and abrasive, helping reduce wear to hoses and drilling tools and avoid pressure loss in the water channel. The design aims to improve coal-breaking performance and extend the cutting apparatus’s service life.
Another listed patent is “Mining Hose Connecting Device and Method,” which concerns hose connections for mining applications.
Career Highlights
Liu’s listed inventions address practical challenges in mining operations, including coal cutting and equipment durability. His work is associated with CCTEG Chongqing Research Institute in Chongqing, China.
Collaborations
Yongjiang Zhang and Lindong Guo are identified as Liu’s coworkers.
Conclusion
Yongsan Liu’s listed patent portfolio focuses on mining technologies, with particular attention to abrasive-jet cutting and hose connections.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile