Centerville, OH, United States of America

Alisa A Greywitt

This inventor holds 1 USPTO granted patent. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Alisa A Greywitt. Retrieved from https://idiyas.com/inventor/alisa-a-greywitt

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 = 5(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Alisa A. Greywitt

Introduction: Alisa A. Greywitt, based in Centerville, OH, is a remarkable inventor known for her contributions to the field of fluid actuated braking systems. With a single patent to her name, she exhibits a profound understanding of mechanical engineering and innovation.

Latest Patents: Alisa holds a patent for a "Pressure actuator for a fluid actuated braking system." This invention caters to anti-lock (ABS) and traction control (TC) systems. The design features a piston that is threadably associated with a drive screw equipped with a flange. Surrounding the drive screw are bevel washers placed on a support. When the piston descends, it compresses the bevel washers, with a subsequent engagement providing both damping and torsional restraint. This intricately reduces the number of bevel washers required, thereby minimizing the overall length of the pressure actuator.

Career Highlights: Alisa is currently employed at GM Global Technology Operations LLC, where her innovative solutions contribute to advanced automotive technologies. Her patent highlights her ability to simplify complex systems through ingenious design, showcasing her talent and commitment to excellence in engineering.

Collaborations: Throughout her career, Alisa has collaborated with notable colleagues David F. Reuter and Thomas C. Downs. Their combined efforts in research and development have propelled advancements in automotive safety mechanisms, underscoring the importance of teamwork in driving innovation.

Conclusion: Alisa A. Greywitt’s dedication to improving fluid actuated braking systems has marked her as a significant figure in the realm of innovation. Her patented invention not only demonstrates her engineering prowess but also reinforces the impact of female inventors in a predominantly male-dominated field. As she continues her work at GM Global Technology Operations LLC, the industry looks forward to witnessing further advancements and contributions stemming from her inventive spirit.

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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