Liesa Completes Ownership Transfer of the "Motor Fixing Bracket" Utility Model Patent, Further Consolidating Core Technical Assets

Recently, Liesa Intelligent Technology (Qingdao) Co., Ltd. has successfully completed the ownership transfer formalities for the utility model patent Motor Fixing Bracket (Patent No.: ZL202120493319.8). The National Intellectual Property Administration has officially issued a copy of the Patent Register, marking the completion of ownership change for this core structural patent, and the change takes effect on September 30, 2026, with the patent right remaining valid.

This patent was filed on March 9, 2021 and granted on October 26, 2021. It focuses on optimizing the motor fixing structure of cleaning robots, improving motor operation stability and reducing equipment vibration. It serves as critical foundational technology supporting performance upgrades for LIESA window cleaning robots and other smart cleaning products.

The successful patent transfer further improves LIESA’s independent intellectual property layout and reinforces the company’s technical barriers in the structural design of smart cleaning hardware. It provides solid patent protection for the R&D iteration of LIESA series window cleaning robots and smart home cleaning devices, global market expansion and OEM/ODM foreign trade business. In the future, LIESA will keep investing in research and development, applying for more core patents in the smart cleaning sector, and delivering highly reliable and innovative home cleaning appliances for customers worldwide.

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