Philadelphia, PA, United States of America

Mahmoud Mostafa Hafez

This inventor holds 2 USPTO granted patents. Top assignee: Exxonmobil Research and Engineering Company. Active years: 2002-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mahmoud Mostafa Hafez. Retrieved from https://idiyas.com/inventor/mahmoud-mostafa-hafez

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 = 3.4

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2002-2005

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2 patents (USPTO):Explore Patents

Title: Innovations by Mahmoud Mostafa Hafez

Introduction

Mahmoud Mostafa Hafez is an accomplished inventor based in Philadelphia, PA. He has made significant contributions to the field of internal combustion engines, particularly in enhancing lubricant life and fuel economy. With a total of 2 patents, Hafez continues to push the boundaries of engineering and innovation.

Latest Patents

Hafez's latest patents include a method and system to extend lubricant life in internal combustion EGR systems. This invention involves a device and method designed to prolong the useful life of lubricant in diesel engines equipped with Exhaust Gas Recirculation (EGR) systems. The system incorporates a chemical filter placed in areas of higher humidity within the EGR stream or near the intake manifold. In some instances, using chemical filters in both locations is preferred. Additionally, this device can be combined with a chemical filter in the lubricant recirculation system, creating a synergistic effect that enhances performance beyond the individual components.

Another notable patent is the lubrication system for internal combustion engines, which features a binary two-phase engine oil composition. This composition consists of two substantially immiscible liquid phases that improve fuel economy over an extended period. The first phase includes a base oil, either natural or synthetic, while the second phase comprises a polar organic liquid, preferably a complex alcohol ester derived from a polyol, a polybasic acid, and a monohydric alcohol.

Career Highlights

Hafez is currently employed at ExxonMobil Research and Engineering Company, where he applies his expertise in engine lubrication and efficiency. His work has been instrumental in developing innovative solutions that address the challenges faced by modern internal combustion engines.

Collaborations

Throughout his career, Hafez has collaborated with notable colleagues, including Riccardo Conti and Ulrich Witten. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Mahmoud Mostafa Hafez is a prominent inventor whose work in enhancing lubricant life and fuel economy in internal combustion engines has made a significant impact in the field. His innovative patents and contributions continue to shape the future of engine technology.

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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