This inventor holds 2 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: Huaifu Liu and Innovations in Mining Technology.
Introduction
Huaifu Liu is an inventor based in Chongqing, China, whose patent work focuses on mining equipment and technologies for coal seam pressure relief and permeability improvement. His listed portfolio includes 2 patents. Liu is associated with CCTEG Chongqing Research Institute.
Latest Patents
One of Liu’s listed inventions is the “Rear-Mounted Double-Channel Abrasive Jet Cutting Device.” The device conveys high-pressure water and abrasive through separate channels, helping reduce wear on hoses and drilling tools while avoiding pressure loss in the water channel. Its design aims to improve coal-breaking performance and extend the service life of the cutting apparatus.
Another listed patent is “Mining Hose Connecting Device and Method,” which concerns equipment and methods for connecting mining hoses.
Career Highlights
Liu’s patent activity reflects an emphasis on practical engineering solutions for mining operations. His work addresses equipment durability and the performance of high-pressure water-jet cutting systems.
Collaborations
Liu’s listed coworkers include Yongjiang Zhang and Lindong Guo. His association with CCTEG Chongqing Research Institute places his work within a research environment focused on mining technology.
Conclusion
Huaifu Liu’s two listed patents highlight his contributions to mining equipment, particularly innovations intended to improve the durability and effectiveness of coal-cutting systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile