Shandong, China

Ruijun Liu

This inventor holds 1 USPTO granted patent. Top assignees: Hefeng Agricultural Technology Co., Ltd., Shandong University of Technology. Active years: 2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ruijun Liu. Retrieved from https://idiyas.com/inventor/ruijun-liu

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


% Patents Active = 100.0

Average Co-Inventor Count = 9.0

ph-index = 1


Company Filing History:


Years Active: 2022

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1 patent (USPTO):Explore Patents

Title: Innovations of Ruijun Liu in Agricultural Machinery

Introduction

Ruijun Liu is a notable inventor based in Shandong, China. He has made significant contributions to the field of agricultural machinery, particularly with his innovative designs aimed at improving seed planting efficiency. His work is characterized by a focus on precision and consistency in agricultural practices.

Latest Patents

One of Ruijun Liu's key inventions is the "Opposite belt-type precise seeding device." This device comprises a seed metering tube made of a U-shaped shell and a cover plate, along with two parallel conveying devices inside the seed metering tube. Additionally, it features a conveying plate at the lower end of the seed metering tube. The invention addresses the issue of seed movement randomness in traditional seed conveying tubes, which can lead to inconsistent seed spacing in seed beds. By utilizing the conveying devices, Liu's invention ensures stable seed movement and guarantees consistent seed distance in the planting process. He holds 1 patent for this innovative device.

Career Highlights

Ruijun Liu has had a distinguished career, working with reputable institutions such as Shandong University and Hefeng Agricultural Technology Co., Ltd. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in agricultural technology.

Collaborations

Throughout his career, Liu has collaborated with notable colleagues, including Yulong Chen and Longmei Zhang. These collaborations have fostered a productive environment for innovation and have led to the development of effective agricultural solutions.

Conclusion

Ruijun Liu's contributions to agricultural machinery through his innovative seeding device exemplify the importance of precision in farming practices. His work not only enhances seed planting efficiency but also promotes consistency in agricultural outputs.

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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