Company Filing History:
2 out of 111 
2 out of 292 Years Active: 2025
Title: **Innovations by Lingyun Dong: Pioneering the Air-Cooled Refrigerator**
Introduction
Lingyun Dong is an accomplished inventor based in Shandong, China, who has made significant contributions to the field of refrigeration technology. With a total of two patents to his name, Dong has displayed a consistent ability to innovate and enhance everyday appliances.
Latest Patents
Dong's latest inventions focus on air-cooled refrigerators. His first patent describes a design for an air-cooled refrigerator that includes a bottom liner, a fan bottom shell, air duct cover plate, and fan blades. This innovative design defines a cooling chamber and storage space in the bottom liner, with the fan bottom shell strategically positioned at the rear of the cooling chamber. The air duct cover plate integrates a back plate portion and a fan upper cover that facilitates effective airflow, ensuring efficient refrigeration.
The second patent presents an air-cooled refrigerator featuring an evaporator at the bottom of the cabinet. This design incorporates a partition cover plate within the bottom liner, effectively separating the storage space from the cooling chamber below. The return air cover is equipped with multiple front return air inlets, optimizing air circulation. The uniquely shaped evaporator is inclined upwards, enhancing its cooling efficiency and enabling a frost-accommodating space for improved performance.
Career Highlights
Lingyun Dong has worked with leading companies in the industry, including Qingdao Haier Refrigerator Co., Ltd. and Haier Smart Home Co., Ltd. His role in these organizations has allowed him to further develop his innovative ideas and contribute to the advancement of refrigeration technology.
Collaborations
Throughout his career, Dong has collaborated with talented professionals, including his coworker Hui Liu. Their collective efforts in research and development have significantly impacted the efficiency and design of refrigeration systems.
Conclusion
Lingyun Dong continues to push the boundaries of innovation in refrigeration technology with his groundbreaking patents. His dedication and expertise not only enhance the functionality of everyday appliances but also contribute to more sustainable and efficient household solutions. As he continues to innovate, Dong's impact on the industry remains an inspiring testament to the power of creativity and engineering.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.