This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Otis Elevator Company, Zhejiang Institute of Hydraulics & Estuary (Zhejiang Institute of Marine Planning and Design). 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: Yi Shi - Innovator in Elevator Technology and Irrigation Solutions.
Introduction
Yi Shi is a prominent inventor based in Hangzhou, China. He has made significant contributions to the fields of elevator technology and irrigation systems. With a total of 2 patents, his work showcases innovative solutions that address practical challenges in these industries.
Latest Patents
Yi Shi's latest patents include an elevator car door locking device and a self-acting dredging and drainage structure for irrigation areas. The elevator car door locking device features a vane base with two rotation centers, a vane assembly with clamping or expanding vanes, and a drive assembly that includes a driving member, transmission member, unlocking member, and a car door locking hook. This design enhances the safety and functionality of elevator systems. The dredging and drainage structure is designed for plain river network irrigation areas, incorporating a trash rack, partition body, and a contraction and diversion device that optimizes water flow management.
Career Highlights
Throughout his career, Yi Shi has worked with notable organizations such as the Zhejiang Institute of Hydraulics & Estuary and Otis Elevator Company. His experience in these institutions has allowed him to develop and refine his innovative ideas, contributing to advancements in both elevator technology and irrigation systems.
Collaborations
Yi Shi has collaborated with talented individuals in his field, including Longqiang Su and Jinhua Wen. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Yi Shi's contributions to elevator technology and irrigation solutions highlight his innovative spirit and dedication to improving everyday systems. His patents reflect a commitment to enhancing safety and efficiency in these critical areas.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile