Qingdao, China

Liyan Wang

This inventor holds 3 USPTO granted patents and 1 published patent application and 8 EPO patents. Top assignees: Qingdao Haier Joint Stock Co., Ltd., Qingdao Haier Co., Ltd.. Active years: 2021-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Liyan Wang. Retrieved from https://idiyas.com/inventor/liyan-wang-0gjfztf5

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.3

ph-index = 1


Company Filing History:


Years Active: 2021-2022

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3 patents (USPTO):Explore Patents

Title: Innovations of Liyan Wang: Pioneering Freshness Preservation Technology

Introduction

Liyan Wang is an accomplished inventor based in Qingdao, China. He has made significant contributions to the field of refrigeration technology, holding a total of 3 patents. His innovative designs focus on enhancing the freshness preservation of food products through advanced oxygen control mechanisms.

Latest Patents

One of Liyan Wang's latest patents is the "Oxygen-control freshness preservation refrigerator." This invention features a cabinet with both refrigerating and freezing compartments, separated by a partition plate. Inside the refrigerating compartment, there is a freshness preservation compartment equipped with an oxygen control device. This device reduces the oxygen content within the compartment using a gas-regulating membrane assembly and a gas extraction assembly. The gas-regulating membrane allows for selective gas permeation, while the gas extraction pump facilitates the removal of gas from the compartment.

Another notable patent is a refrigerator that includes an adsorption container, an air compressor, and a nitrogen storage tank. This design creates a sealed storage space within the refrigerator's storage compartment. The adsorption container, filled with carbon molecular sieves, works in conjunction with the air compressor to prepare nitrogen, which is then stored in the nitrogen storage tank for use in the sealed space.

Career Highlights

Liyan Wang has worked with prominent companies such as Qingdao Haier Joint Stock Co., Ltd. and Qingdao Haier Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in refrigeration technology.

Collaborations

Throughout his career, Liyan Wang has collaborated with talented individuals, including Bo Jiang and Haoquan Liu. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Liyan Wang's contributions to refrigeration technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the principles of freshness preservation, making a significant impact in the industry.

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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