Toledo, OH, United States of America

Donald J Gembolis

This inventor holds 7 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignee: Parker-Hannifin Corporation. Active years: 2000-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald J Gembolis. Retrieved from https://idiyas.com/inventor/donald-j-gembolis

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

Calculating rank
USPTO Granted Patents = 7 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.8

ph-index = 5

Forward Citations = 209(Granted Patents)


Company Filing History:


Years Active: 2000-2015

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7 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Donald J. Gembolis

Introduction

Donald J. Gembolis is a notable inventor based in Toledo, OH (US), recognized for his significant contributions to the field of engineering. With a total of 7 patents to his name, Gembolis has made strides in developing innovative solutions that enhance fluid management systems.

Latest Patents

Among his latest inventions is the "Breather with Independent Inlet/Outlet Flow Paths." This invention provides an apparatus and method for filtering fluid in a breather assembly, ensuring that uncontaminated fluid is delivered to a reservoir. The design allows intake fluid to be filtered before entering the reservoir through a first directional valve, while exhaust fluid can exit through a second directional valve via a separate flow path. Another significant patent is the "Integrated Cross-Flow Reservoir," which features a uniquely integrated filter and heat exchanger. This innovation allows for filtration and cooling functions to be performed by a single unit, eliminating the need for connecting fittings and hoses.

Career Highlights

Donald J. Gembolis is currently associated with Parker-Hannifin Corporation, a leader in motion and control technologies. His work at the company has been instrumental in advancing fluid management solutions, showcasing his expertise and commitment to innovation.

Collaborations

Throughout his career, Gembolis has collaborated with talented individuals such as Albert F. Cella and Daniel W. Miller. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Donald J. Gembolis exemplifies the spirit of innovation through his patents and contributions to engineering. His work continues to influence the industry, making significant strides in fluid management systems.

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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