Lafayette, IN, United States of America

David A Dull

This inventor holds 1 USPTO granted patent. Top assignee: Dyneer Corporation. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David A Dull. Retrieved from https://idiyas.com/inventor/david-a-dull-zdoe1w31

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 = 2.0

ph-index = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1988

Loading Chart...
1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of David A. Dull

Introduction

David A. Dull is a notable inventor based in Lafayette, IN (US). He has made significant contributions to the field of fluid control technology. His innovative work has led to the development of a unique fluid control valve that enhances the efficiency of hydraulic systems.

Latest Patents

David A. Dull holds 1 patent for his invention of a fluid control valve. This valve is designed to control the flow of hydraulic fluid at high pressure from a primary pump and low charge pressure from a charge pump. It is specifically used in cam-lobe type hydraulic motors that assist in driving vehicles. The invention allows for a systematic approach to energizing the motors, ensuring that charge pressure is delivered first, followed by a connection of supply and return lines to increase pressure. The design includes an accumulator to absorb sudden pressure and notches on the spool for gradual pressure introduction.

Career Highlights

David A. Dull is currently employed at Dyneer Corporation, where he continues to innovate and develop advanced hydraulic solutions. His work has been instrumental in improving the performance and reliability of hydraulic systems in various applications.

Collaborations

David collaborates with Richard K. Taden, a fellow innovator at Dyneer Corporation. Their combined expertise contributes to the advancement of hydraulic technologies.

Conclusion

David A. Dull's contributions to fluid control technology exemplify the impact of innovative thinking in engineering. His patent for a fluid control valve showcases his commitment to enhancing vehicle performance through advanced hydraulic systems.

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]
Loading…