West Mifflin, PA, United States of America

Mark T Fruehan

This inventor holds 1 USPTO granted patent. Top assignee: Westinghouse Electric Corporation. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mark T Fruehan. Retrieved from https://idiyas.com/inventor/mark-t-fruehan

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 = 3.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Mark T. Fruehan: Innovator in Transit Vehicle Technology

Introduction

Mark T. Fruehan is a notable inventor based in West Mifflin, Pennsylvania. He has made significant contributions to the field of transit vehicle technology, particularly with his innovative approach to door control systems. His work has implications for safety and efficiency in public transportation.

Latest Patents

Fruehan holds a patent for a "Transit vehicle door control apparatus." This invention involves a transit vehicle equipped with a door that includes a zero speed condition detection apparatus. This apparatus logically supplies a zero condition output signal for each axle when both tachometers for those axles are under a predetermined zero speed condition. When two or more zero condition output signals are supplied, a failsafe driver is energized to operate a control relay, determining the operation of the door. This innovation enhances the safety and reliability of transit vehicle operations.

Career Highlights

Mark T. Fruehan is associated with Westinghouse Electric Corporation, a company known for its advancements in electrical engineering and technology. His role at Westinghouse has allowed him to develop and refine his inventions, contributing to the company's reputation for innovation.

Collaborations

Fruehan has worked alongside talented colleagues such as Jeffrey A. Fennig and Jayant K. Kapadia. Their collaborative efforts have likely fostered an environment of creativity and innovation, leading to advancements in their respective fields.

Conclusion

Mark T. Fruehan's contributions to transit vehicle technology exemplify the importance of innovation in enhancing safety and efficiency. His patent for the transit vehicle door control apparatus is a testament to his expertise and commitment to improving public transportation 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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