This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Yantai Jereh Oilfield Services Group Co., Ltd.. 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: Cheng Li and the Crosshead Box and Plunger Pump
Introduction
Cheng Li is an inventor associated with Yantai, China, and Yantai Jereh Oilfield Services Group Co., Ltd. His patent work includes an invention concerning a crosshead box and plunger pump.
Latest Patents
The available information identifies one patent for Cheng Li: “Crosshead Box and Plunger Pump.” The invention describes a substantially rectangular crosshead box made through an integral forming process. It has multiple crosshead cavities and exhaust chambers arranged to communicate with corresponding cavities. The disclosure also covers a plunger pump equipped with this crosshead box. Integrally forming the box is intended to improve its service life, help control operational air pressure inside the box, and support stable operation. The provided data lists 1 patent.
Career Highlights
Cheng Li’s listed patent reflects work on components for plunger pumps and crosshead box design. The available information associates him with Yantai Jereh Oilfield Services Group Co., Ltd.
Collaborations
The provided information names Junlei Yao and Feng Wang as Cheng Li’s coworkers. It does not specify their roles in the patent or describe the nature of their collaboration.
Conclusion
Cheng Li’s listed invention focuses on an integrally formed crosshead box designed to improve pressure control, operational stability, and service life in plunger pump applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile