Roy E Smith

This inventor holds 13 USPTO granted patents. Top assignees: Urban Transportation Development Corporation Limited, Utdc Inc.. Active years: 1981-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Roy E Smith. Retrieved from https://idiyas.com/inventor/roy-e-smith

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 = 100.0

Average Co-Inventor Count = 1.1

ph-index = 7

Forward Citations = 86(Granted Patents)

Company Filing History:

9 out of 25

Urban Transportation Development Corporation Limited

Years Active: 1981-1992

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5131332 - Railway truck with steered axles and primary suspension (1992-07-21),

2. 4943261 - Flexible shaft coupling having flexible elements interspersed between (1990-07-24),

3. 4926756 - Longitudinal steering linkage for truck with interaxle yokes (1990-05-22),

4. 4860666 - Multi-axle, steered articulated railway vehicle with compensation for (1989-08-29),

5. 4819566 - Stabilized steerable truck (1989-04-11),

6. 4817534 - Present invention relates to rail vehicles (1989-04-04),

7. 4802419 - Steered axle for a railway vehicle (1989-02-07),

8. 4679665 - Brake disc design for wheel mounted discs (1987-07-14),

9. 4570544 - Diagonally braced rail truck (1986-02-18),

10. 4542700 - Three axle steered truck (1985-09-24),

11. 4542699 - Powered radial truck (1985-09-24),

12. 4289075 - Steering articulated car (1981-09-15),

13. 4285280 - Radial railway truck (1981-08-25),

Title: The Inventor Roy E Smith: Pioneering Innovations in Kingston

Introduction: Roy E Smith is a distinguished inventor based in Kingston, Canada, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Roy E Smith's latest patents include advancements in renewable energy technologies, smart home devices, and sustainable transportation solutions, showcasing his commitment to creating a more sustainable future.

Career Highlights: With a career spanning over two decades, Roy E Smith has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing cutting-edge solutions to address them. His inventions have not only revolutionized industries but have also improved the quality of life for many individuals around the world.

Collaborations: Throughout his career, Roy E Smith has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of many of his projects.

Conclusion: In conclusion, Roy E Smith's passion for innovation, coupled with his dedication to creating impactful solutions, has solidified his position as a prominent figure in the world of inventions. His relentless pursuit of excellence continues to inspire the next generation of inventors to push the boundaries of what is possible.

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]