Waukegan, IL, United States of America

David H Hartke

This inventor holds 1 USPTO granted patent. Top assignee: Outboard Marine Corporation. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David H Hartke. Retrieved from https://idiyas.com/inventor/david-h-hartke-coyres0k

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: David H Hartke: Innovator in Internal Combustion Engine Technology

Introduction

David H Hartke is a notable inventor based in Waukegan, Illinois. He has made significant contributions to the field of internal combustion engines. With one patent to his name, Hartke's work showcases his innovative approach to engine design.

Latest Patents

Hartke's patent focuses on an internal combustion engine that features a unique crankcase design. This engine comprises a crankcase adapted to rotatably support a crankshaft, which has a defined axis. The crankcase includes a plurality of chambers and a flat manifold mounting surface. It features two series of inlet openings that are aligned with the crankshaft axis but are laterally offset. Each inlet opening is designed to feed air to the crankcase chambers, enhancing the engine's efficiency.

Career Highlights

David H Hartke has worked with Outboard Marine Corporation, where he has applied his engineering skills to develop innovative engine solutions. His work has contributed to advancements in marine engine technology, reflecting his commitment to improving performance and efficiency.

Collaborations

Throughout his career, Hartke has collaborated with notable colleagues, including John D Flaig and Gene F Baltz. These partnerships have fostered a creative environment that has led to significant advancements in engine technology.

Conclusion

David H Hartke's contributions to the field of internal combustion engines exemplify his innovative spirit and dedication to engineering excellence. His patent reflects a thoughtful approach to design that could influence future developments in the industry.

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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