Dunwoody, GA, United States of America

Robert J Whelchel

This inventor holds 1 USPTO granted patent. Top assignee: Elevator Equipment Co.. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert J Whelchel. Retrieved from https://idiyas.com/inventor/robert-j-whelchel

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 = 27(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: The Innovations of Robert J Whelchel

Introduction

Robert J Whelchel is an accomplished inventor based in Dunwoody, GA (US). He is known for his significant contributions to the field of hydraulic systems, particularly in elevator technology. With a focus on simplifying complex mechanisms, Whelchel has made strides in enhancing the efficiency and reliability of hydraulic elevators.

Latest Patents

Whelchel holds a patent for a "Unitary elevator up level control valve." This innovative hydraulic valve assembly operates a hydraulic elevator with a simplified construction. The design positions the check valve for the up level control in axial alignment with the bypass valve within the same valve housing, mutually guided on a central valve stem. The pressure for actuating the bypass valve is controlled by a direct acting valve element that is structurally mounted on the valve element of the up leveling check valve. This invention showcases Whelchel's ability to streamline elevator operations while maintaining safety and functionality.

Career Highlights

Throughout his career, Whelchel has worked with Elevator Equipment Co., where he has applied his expertise in hydraulic systems. His work has contributed to advancements in elevator technology, making them more efficient and user-friendly. Whelchel's dedication to innovation is evident in his patent and the impact it has on the industry.

Collaborations

Whelchel has collaborated with various professionals in the field, including his coworker William A Lawrence. Their combined efforts have led to significant improvements in elevator technology and hydraulic systems.

Conclusion

Robert J Whelchel's contributions to hydraulic elevator technology exemplify the spirit of innovation. His patent for the unitary elevator up level control valve highlights his commitment to simplifying complex systems. Whelchel's work continues to influence the industry, paving the way for future advancements in elevator technology.

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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