This inventor holds 1 USPTO granted patent. Top assignees: Cnpc Engineering Technology R&d Company Limited, Petrochina Company Limited. 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:
1 out of 22 
1 out of 172 
Years Active: 2026
Title: Jifang Wan: Innovator in Lost Circulation Detection Technology
Introduction
Jifang Wan is a notable inventor based in Beijing, China. He has made significant contributions to the field of drilling technology, particularly with his innovative approach to lost circulation detection.
Latest Patents
Jifang Wan holds a patent for a lost circulation detection device. This device includes a first detection member and a second detection member. A first signal transmitter and a first signal receiver are disposed on the first detection member, allowing the first signal transmitter to transmit a signal along the axial direction of a rockshaft. This enables the first signal receiver to acquire data information of drilling fluid in the axial direction of the rockshaft. Additionally, a fluid channel penetrating through the second detection member is configured to communicate with the rockshaft. A second signal transmitter and a second signal receiver are positioned oppositely on either side of the fluid channel, allowing the second signal transmitter to transmit a signal along the center line of a second accommodating groove. This setup enables the second signal receiver to acquire data information of drilling fluid in the circumferential direction of the rockshaft. Jifang Wan has 1 patent to his name.
Career Highlights
Throughout his career, Jifang Wan has worked with prominent companies in the industry. He has been associated with PetroChina Company Limited and CNPC Engineering Technology R&D Company Limited. His work in these organizations has allowed him to develop and refine his innovative technologies.
Collaborations
Jifang Wan has collaborated with several professionals in his field, including Guangjie Yuan and Jingcui Li. These collaborations have contributed to the advancement of his research and inventions.
Conclusion
Jifang Wan is a distinguished inventor whose work in lost circulation detection technology has made a significant impact in the drilling industry. His innovative device showcases his expertise and commitment to advancing technology in this field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile