Cromwell, CT, United States of America

John Stofira

This inventor holds 1 USPTO granted patent. Top assignee: Otis Elevator Company. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Stofira. Retrieved from https://idiyas.com/inventor/john-stofira

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 = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2016

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

Title: The Innovative Contributions of John Stofira in Elevator Technology

Introduction: John Stofira, a talented inventor based in Cromwell, Connecticut, has made a significant impact in the field of elevator technology. With his innovative design of a machine roomless hydraulic elevator system, Stofira has contributed to a more efficient and space-saving solution for modern building infrastructure.

Latest Patents: Stofira holds a patent for a machine roomless hydraulic elevator system. This innovative design eliminates the need for a traditional machine room while maintaining functionality through an access panel. This panel allows for easy access to the control valve and controller from outside the hoistway, ensuring that maintenance and operation can occur efficiently. The system features a hoistway that supports the elevator car, which is driven by a hydraulic cylinder. A reservoir contained within the hoistway supplies the necessary fluid to extend the cylinder, enhancing the elevator's performance and reliability.

Career Highlights: John Stofira is associated with the renowned Otis Elevator Company, where he has leveraged his expertise to push the boundaries of elevator technology. His work has not only improved the practicality of installation in various building designs but has also contributed to the safety and functionality of elevator systems across numerous applications.

Collaborations: Throughout his career, Stofira has collaborated with notable professionals, including Frank M Sansevero and A Phillip Winey. These collaborations have fostered a creative environment that stimulates innovative ideas and advancements in elevator systems.

Conclusion: John Stofira's contributions to the field of elevator technology exemplify the impact that innovative thinkers can have on modern infrastructure. His patent for a machine roomless hydraulic elevator system not only showcases his inventiveness but also paves the way for more efficient and accessible elevator solutions in the future. As advancements continue to unfold, inventors like Stofira play a crucial role in shaping the industries they serve.

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…