Li H Liu, based in South Williamsport, PA, is a prolific inventor esteemed for his innovative advancements in vacuum technology. With a remarkable portfolio of 24 patents, Liu has continually contributed to enhancing the functionality and efficiency of vacuum cleaners, making them more user-friendly and effective.

Latest Patents

Among Liu's latest patents, two stand out for their ingenuity. The first is the "Vacuum Cleaner with Screen Cage," which features a screen cage permanently attached to the lid of the receptacle. This innovative design incorporates multiple layers of screens with varying sizes, along with an inner support for enhanced rigidity. Additionally, the vacuum is equipped with a replaceable filter mounted to a removable power head, ensuring easy maintenance. A thermal cutoff mechanism further adds safety by shutting the device off if air temperature exceeds a specific limit.

The second patent is for a "Combination Vacuum Cleaner, Dolly, and Mounting Bracket." This invention introduces a unique bracket that allows for convenient storage of vacuum cleaners with detachable dollies. The design focuses on practicality and space efficiency, featuring a wall-mounted plate and stem portion that securely holds the vacuum cleaner while maintaining accessibility.

Career Highlights

Li H Liu has established his career at Shop Vac Corporation, where he has leveraged his inventive spirit to drive the company’s advancements in vacuum technology. Throughout his tenure, he has played a pivotal role in developing products that not only meet consumer needs but also push the boundaries of conventional design.

Collaborations

In his journey of innovation, Liu has collaborated with notable coworkers, including John Griffin and Robert L Crevling, Jr. Their combined expertise has significantly contributed to the success of projects at Shop Vac Corporation, fostering a creative environment that emphasizes teamwork and shared vision in product development.

Conclusion

Li H Liu's contributions to vacuum technology demonstrate his commitment to innovation and improvement. With his latest patents, he continues to pave the way for future enhancements in household cleaning devices, showcasing the vital role inventors play in shaping everyday technology. Liu's work not only enriches the product lines of Shop Vac Corporation but also sets a standard for innovation in the industry.

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