Erie, PA, United States of America

Thomas F Lewis

This inventor holds 2 USPTO granted patents and 1 published patent application, plus 2 CIPO patents. Top assignees: Snap-Tire, Inc., Snap-Tite, Inc.. Active years: 1987-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Thomas F Lewis. Retrieved from https://idiyas.com/inventor/thomas-f-lewis

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1987-1990

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2 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Thomas F. Lewis

Introduction

Thomas F. Lewis is a notable inventor based in Erie, PA (US), recognized for his contributions to hydraulic control systems. With a total of 2 patents, Lewis has made significant advancements in the field of hydraulic technology.

Latest Patents

Lewis's latest patents include a set of hydraulic control valves designed to create various spool-type directional control valves. By rearranging the spools and springs, or reversing one or more spools end-to-end, these valves can achieve different desired and preselected flow patterns from the same components. Another significant invention is a pressure modulation device for hydraulic systems. This pressure modulation valve supplies a smooth pressure increase with desired characteristics to a load port in a hydraulic control system. A single spool provides initial and final bypass phases of rapid pressure rise, along with an intermediate modulated phase. The pressure characteristics can be adjusted by varying the loads and openings.

Career Highlights

Throughout his career, Lewis has worked with companies such as Snap-Tire, Inc. and Snap-Tite, Inc. His experience in these organizations has contributed to his expertise in hydraulic systems and control technologies.

Collaborations

One of his notable coworkers is John E. Ochsenreiter, with whom he has collaborated on various projects.

Conclusion

Thomas F. Lewis's innovative patents and contributions to hydraulic technology highlight his significant role in the field. His work continues to influence the development of hydraulic systems today.

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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