Brownsburg, IN, United States of America

Keith A Pieper

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 1976-1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keith A Pieper. Retrieved from https://idiyas.com/inventor/keith-a-pieper

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 = 16(Granted Patents)


Company Filing History:


Years Active: 1976-1977

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2 patents (USPTO):Explore Patents

Title: Innovations of Keith A. Pieper

Introduction

Keith A. Pieper is an accomplished inventor based in Brownsburg, Indiana. He has made significant contributions to the field of engineering, particularly in the area of gas turbine engines and torque measurement. With a total of two patents to his name, Pieper's work showcases his innovative spirit and technical expertise.

Latest Patents

One of Pieper's latest patents is the "Stagnation Sensing Control." This invention is designed to determine when a gas turbine engine has stagnated during the start phase of operation. It includes mechanisms for sampling engine speed at a predetermined point in time and holding that speed in memory. The system compares the engine speed at a later point in time with the stored speed, producing an engine shutdown signal if the speed increase is less than an established threshold.

Another notable patent is the "Torquemeter Circuit." This circuit generates a potential indicative of torque by responding to the phase angle between AC signals from two generating coils. These coils are excited by toothed wheels connected to different points along a shaft transmitting power between an engine and its load. The circuit is designed to be insensitive to variations in speed and ambient temperature, making it a reliable tool for torque measurement.

Career Highlights

Keith A. Pieper is currently employed at GM Global Technology Operations LLC, where he continues to innovate and develop new technologies. His work at GM has allowed him to apply his expertise in practical applications that enhance engine performance and efficiency.

Collaborations

Pieper has collaborated with various professionals in his field, including his coworker Robert E. Nelson. Their combined efforts contribute to the advancement of technology within their organization.

Conclusion

Keith A. Pieper's contributions to engineering through his patents reflect his dedication to innovation and excellence. His work continues to impact the industry positively, showcasing the importance of inventive thinking in technology development.

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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