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For the Inventor, By the Inventor

Peoria, IL, United States of America

Larry Glenn Waterfield

This inventor holds 7 USPTO granted patents. Top assignee: Caterpillar Inc.. Active years: 2001-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Larry Glenn Waterfield. Retrieved from https://idiyas.com/inventor/larry-glenn-waterfield

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

USPTO Granted Patents = 7

% Patents Active = 57.1

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 70(Granted Patents)


Company Filing History:

goldMedal7 out of 9,804 
 
Caterpillar Inc.
 patents

Years Active: 2001-2005

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7 patents (USPTO):Explore Patents
1. 6933660 - Piezoelectric bender with increased activating force, and valve using same (2005-08-23),
2. 6715466 - Method and apparatus for operating an internal combustion engine exhaust valve for braking (2004-04-06),
3. 6597083 - Method and apparatus for compensating for temperature induced deformation of a piezoelectric device (2003-07-22),
4. 6512323 - Piezoelectric actuator device (2003-01-28),
5. 6400062 - Method and apparatus for temperature compensating a piezoelectric device (2002-06-04),
6. 6376966 - Method and apparatus for controlling a piezoelectric device (2002-04-23),
7. 6285115 - Method and apparatus for controlling position and velocity of a piezoelectric device (2001-09-04),

Title: Larry Glenn Waterfield: Innovator in Piezoelectric Actuation

Introduction

Larry Glenn Waterfield is a notable inventor based in Peoria, IL (US). He has made significant contributions to the field of piezoelectric actuation, holding a total of 7 patents. His work focuses on enhancing the performance and efficiency of actuators used in various applications.

Latest Patents

Waterfield's latest patents include a piezoelectric bender with increased activating force and a valve using the same technology. The piezoelectric actuator he developed features at least one piezoelectric bender that can deform between two distinct arcuate shapes. This design allows for increased axial force production by resisting changes in the transverse dimension of the bender, which is crucial for maintaining performance over time. Additionally, he has patented a method and apparatus for operating an internal combustion engine exhaust valve for braking. This system utilizes a thermally prestressed bender actuator that responds to command signals, effectively controlling the exhaust valve for enhanced engine performance.

Career Highlights

Larry Waterfield is currently employed at Caterpillar Inc., where he continues to innovate and develop advanced technologies. His work has been instrumental in improving the efficiency of systems that rely on piezoelectric actuation.

Collaborations

Throughout his career, Waterfield has collaborated with talented individuals such as Christopher F Gallmeyer and Glen F Forck. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Larry Glenn Waterfield is a distinguished inventor whose work in piezoelectric actuation has led to significant advancements in technology. His contributions continue to impact various industries, showcasing the importance of innovation in engineering.

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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