Troy, MI, United States of America

Louie Xu Liu

This inventor holds 2 USPTO granted patents. Top assignees: Graco Minnesota Inc., Q.e.d. Environmental Systems, Inc.. Active years: 2014-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Louie Xu Liu. Retrieved from https://idiyas.com/inventor/louie-xu-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 = 2.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2014-2017

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2 patents (USPTO):Explore Patents

Title: Louie Xu Liu: Innovator in Fine Control Gas Valve Technology

Introduction

Louie Xu Liu is an accomplished inventor based in Troy, MI (US). He has made significant contributions to the field of gas valve technology, holding 2 patents that showcase his innovative designs and engineering skills.

Latest Patents

One of his latest inventions is a fine control gas valve. This valve features a tee with first and second tee runs that are co-axially aligned on a longitudinal axis, along with a tee branch that is oriented non-parallel to this axis. The design includes a rotatable hand operator member that works in conjunction with a threaded member and a sleeve, allowing for adjustable positioning of the valve within the tee. Indicia on the valve assists users in understanding how fluid flow will be affected by adjustments made via the rotatable hand operator member. Another patent for a fine control gas valve includes a tee with opposed first and second tee runs, where a valve assembly is partially received in the first tee run. This assembly features a valve disc connected to a drive screw that is moved longitudinally by the rotation of the drive screw. The valve disc has a unique slot design that enhances its functionality, ensuring precise control over fluid flow.

Career Highlights

Louie has worked with notable companies such as Graco Minnesota Inc. and QED Environmental Systems, Inc. His experience in these organizations has contributed to his expertise in developing innovative solutions in gas valve technology.

Collaborations

Louie has collaborated with professionals in his field, including Douglas D Colby, which has further enriched his work and contributions to the industry.

Conclusion

Louie Xu Liu is a notable inventor whose work in fine control gas valve technology demonstrates his commitment to innovation and engineering excellence. His patents reflect a deep understanding of fluid dynamics and user needs, making significant strides in the field.

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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