Providence, RI, United States of America

John Hincks Duke

This inventor holds 13 USPTO granted patents and 1 published patent application. Top assignee: Other. Active years: 1989-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Hincks Duke. Retrieved from https://idiyas.com/inventor/john-hincks-duke

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

USPTO Granted Patents = 13 

% Patents Active = 92.3

Average Co-Inventor Count = 1.1

ph-index = 6

Forward Citations = 147(Granted Patents)


Company Filing History:

goldMedal11 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2021

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13 patents (USPTO):Explore Patents

Title: Innovations of John Hincks Duke

Introduction

John Hincks Duke is a notable inventor based in Providence, RI (US). He has made significant contributions to the field of exercise equipment, holding a total of 13 patents. His innovative designs focus on enhancing physical fitness through unique mechanisms.

Latest Patents

One of his latest inventions is a three-dimensional rocking chair with a variable curvature base specifically designed for abdominal exercise. This omnidirectional rocking chair features a rectangular support base with a convex lower support surface that has variable radii of curvature. The chair back is designed to support only the user's lower back, allowing for a unique rocking motion that develops outward momentum in the mass of the user's upper back, arms, and head. The design includes a minimum lower support surface radius of curvature located in the central portion, with larger radii in the peripheral areas and maximum radii in the corner portions. This progressive increase in curvature enhances the righting moment during rocking, effectively engaging the user's abdominal trunk muscles.

Career Highlights

Throughout his career, John Hincks Duke has focused on creating innovative solutions that promote health and fitness. His work has garnered attention for its unique approach to exercise equipment design.

Collaborations

John has collaborated with notable individuals in the field, including Jonathan Michael Haisman and Ritu Goel. Their combined expertise has contributed to the development of his innovative products.

Conclusion

John Hincks Duke continues to be a prominent figure in the realm of fitness innovation, with his inventive designs paving the way for new exercise methodologies. His contributions are a testament to the importance of creativity in enhancing physical well-being.

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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