Kensington, CT, United States of America

James Leo Hubbard

This inventor holds 32 USPTO granted patents and 9 published patent applications and 23 EPO patents, primarily in Elevator Technology. Top assignees: Otis Elevator Company, Lsi Logic Corporation, Other. Active years: 1977-2026.

USPTO Granted Patents = 32 (Patent Applications = 9)

% Patents Active = 93.8

EPO Patents = 23 (Patent Applications = 24)

Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 126(Granted Patents)

Location History:

Wewoka, OK (US) (1977)
San Jose, CA (US) (1987)
Kensington, CT (US) (2003 - 2024)

Company Filing History:

30 out of 2,714

Otis Elevator Company

patents

1 out of 3,715

Lsi Logic Corporation

patents

1 out of 834,411

Other

patents

Years Active: 1977-2026

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Areas of Expertise:

Electromechanical Safety

Elevator Monitoring

Brake Systems

Load Weighing

Wear Detection

Friction Liners

Retrofitting

Brake Torque Control

Cooling Systems

Sheave Design

Roller Guide

Machine Brakes

32 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12643769 - Electromechanical safety actuation of elevator governors (2026-06-02),

2. 12434943 - Beam climber active brake health monitoring system (2025-10-07),

3. 12214994 - Brake disc releasing device, turning device, elevator rescue kit and method (2025-02-04),

4. 12054359 - Roller guide mounted elevator monitoring systems (2024-08-06),

5. 11718501 - Elevator sheave wear detection (2023-08-08),

6. 11667495 - Brake disc releasing device, turning device, elevator rescue kit and method (2023-06-06),

7. 11492230 - Sheave liner including wear indicators (2022-11-08),

8. 11377323 - Retrofitting an elevator machine with primary and secondary braking (2022-07-05),

9. 11299374 - Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine (2022-04-12),

10. 11254544 - Friction liner and traction sheave (2022-02-22),

11. 10766746 - Friction liner and traction sheave (2020-09-08),

12. 10737908 - Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine (2020-08-11),

13. 10618775 - Retrofitting an elevator machine with primary and secondary braking (2020-04-14),

14. 10442659 - Electromagnetic brake system for elevator application (2019-10-15),

15. 10273119 - Elevator load weighing system (2019-04-30),

Title: The Inventor James Leo Hubbard: Pioneering Innovations in Kensington

Introduction: James Leo Hubbard, a distinguished inventor hailing from Kensington, CT, has made significant contributions to the world of technology and innovation.

Latest Patents: Hubbard's latest patents include groundbreaking inventions in the fields of renewable energy, sustainable agriculture, and advanced robotics.

Career Highlights: With a career spanning over two decades, James Leo Hubbard 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.

Collaborations: Throughout his career, Hubbard has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life and make a lasting impact on society.

Conclusion: James Leo Hubbard's relentless passion for innovation and his commitment to pushing the boundaries of what is possible make him a true pioneer in the world of inventions.