This inventor holds 1 USPTO granted patent. Top assignees: China National Petroleum Corporation, Cnpc Engineering Technology R&d Company Limited. Active years: 2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2025
Title: Yifeng Fan: Innovator in Petroleum Drilling Engineering
Introduction
Yifeng Fan is a notable inventor based in Beijing, China. He has made significant contributions to the field of petroleum drilling engineering. His innovative work has led to the development of a unique patent that addresses challenges in drilling operations.
Latest Patents
Yifeng Fan holds a patent for a "Mud pressure wave signal modulation apparatus and method." This invention relates to the technical field of petroleum drilling engineering. The apparatus includes a motor, a valve plate, a main control circuit, a motor drive control circuit, and a downhole communication circuit. The valve plate is driven by the motor to rotate around an axial direction that is perpendicular to the flow direction of drilling fluid. The motor and the valve plate are positioned within a drilling fluid channel, which is integrated into a drill collar.
Career Highlights
Throughout his career, Yifeng Fan has worked with prominent organizations in the petroleum industry. He has been associated with the China National Petroleum Corporation and Cnpc Engineering Technology R&D Company Limited. His experience in these companies has allowed him to refine his skills and contribute to advancements in drilling technology.
Collaborations
Yifeng Fan has collaborated with several professionals in his field, including Jiajin Wang and Weimin Mao. These collaborations have fostered innovation and the sharing of ideas, further enhancing the development of new technologies in petroleum drilling.
Conclusion
Yifeng Fan's contributions to petroleum drilling engineering through his innovative patent demonstrate his expertise and commitment to advancing the industry. His work continues to influence the field and inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile