Antioch, IL, United States of America

Donald L Lessard

This inventor holds 1 USPTO granted patent. Top assignee: Outboard Marine Corporation. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald L Lessard. Retrieved from https://idiyas.com/inventor/donald-l-lessard

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 = 2.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Donald L. Lessard

Introduction

Donald L. Lessard is a notable inventor based in Antioch, Illinois. He has made significant contributions to the field of die casting through his innovative designs. With one patent to his name, he has demonstrated a commitment to advancing technology in manufacturing processes.

Latest Patents

Lessard's most recent patent is for a vacuum valve apparatus specifically designed for die casting. This apparatus is utilized in die casting equipment that employs a source of vacuum pressure within an internal die cavity to create castings. The design features a valve body with components that can be separated along a split line, which facilitates the removal of casting material from internal ports in the event of a malfunction. This innovation enhances the efficiency and reliability of die casting operations.

Career Highlights

Throughout his career, Donald L. Lessard has worked with Outboard Marine Corporation, where he has applied his expertise in engineering and design. His work has contributed to the development of advanced manufacturing techniques that improve product quality and production efficiency.

Collaborations

Lessard has collaborated with fellow inventor Russell J. VanRens, sharing insights and expertise to further enhance their contributions to the field of manufacturing.

Conclusion

Donald L. Lessard's innovative work in die casting technology exemplifies the impact of dedicated inventors in advancing industrial processes. His contributions continue to influence the manufacturing sector positively.

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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