Mariposa, CA, United States of America

J Donald Emery

This inventor holds 1 USPTO granted patent. Top assignee: Parker-Hannifin Corporation. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: J Donald Emery. Retrieved from https://idiyas.com/inventor/j-donald-emery

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 = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: J Donald Emery: Innovator of the Universal Self-Venting Drain Valve

Introduction

J Donald Emery is a notable inventor based in Mariposa, California. He is recognized for his innovative contributions to fluid management technology. His most significant invention is the Universal Self-Venting Drain Valve, which addresses common issues in fluid container drainage.

Latest Patents

Emery holds a patent for the Universal Self-Venting Drain Valve. This valve is designed to be mounted on the wall of a fluid container, featuring a unique mechanism that allows for efficient drainage while preventing air lock. The valve includes a rotatable spool that controls fluid and air flow, ensuring that the container can drain effectively without creating negative pressure.

Career Highlights

Emery has made significant strides in his career, working with Parker-Hannifin Corporation, a leader in motion and control technologies. His work has contributed to advancements in fluid control systems, enhancing the efficiency and reliability of various applications.

Collaborations

Throughout his career, Emery has collaborated with talented individuals such as Victor R Oelschlaegel and John F Church. These collaborations have fostered innovation and have led to the development of effective solutions in the field of fluid management.

Conclusion

J Donald Emery's contributions to the field of fluid management through his invention of the Universal Self-Venting Drain Valve exemplify his innovative spirit. His work continues to impact the industry positively, showcasing the importance of creativity in engineering solutions.

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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