Hangzhou, China

Qifeng Li

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Zhejiang Institute of Hydraulics & Estuary (Zhejiang Institute of Marine Planning and Design). Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Qifeng Li. Retrieved from https://idiyas.com/inventor/qifeng-li-0mo5yctd

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 8.9

ph-index = 1


Company Filing History:


Years Active: 2025

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2 patents (USPTO):Explore Patents

Title: Qifeng Li: Innovator in Hydraulics and River Network Management

Introduction

Qifeng Li is a notable inventor based in Hangzhou, China. He has made significant contributions to the field of hydraulics and river network management. With a total of 2 patents, his work focuses on innovative solutions for irrigation and river systems.

Latest Patents

Qifeng Li's latest patents include a "Dredging and drainage structure for irrigation area." This invention features a self-acting dredging and drainage structure designed for plain river network irrigation areas. The structure consists of a first tube body equipped with a trash rack at the water inlet end, a partition body within the tube, and a contraction and diversion device at the water outlet end. This device effectively divides the water outlet into upper and lower sides, enhancing the efficiency of water management.

Another significant patent is the "Run-length stripping method for generating skeleton lines of complex plain river networks." This method involves several steps, including constructing an empty raster field, completing raster compression, and establishing a river boundary grid search template. The process aims to analyze and convert non-stripped grids into skeleton line data in vector form, providing a systematic approach to managing complex river networks.

Career Highlights

Qifeng Li is affiliated with the Zhejiang Institute of Hydraulics and Estuary, also known as the Zhejiang Institute of Marine Planning and Design. His work at this institution has allowed him to focus on innovative hydraulic solutions that address real-world challenges in water management.

Collaborations

He collaborates with esteemed colleagues, including Jinhua Wen and Helong Wang, who contribute to his research and development efforts in the field of hydraulics.

Conclusion

Qifeng Li's innovative patents and contributions to the field of hydraulics demonstrate his commitment to improving irrigation and river management systems. His work continues to influence the industry and pave the way for future advancements.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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