South Lyon, MI, United States of America

James Preston Downs

This inventor holds 127 USPTO granted patents and 11 published patent applications, plus 1 CIPO patent and 14 EPO patents, primarily in Electric Drive Technology (CPC class F16H48-08). Top assignees: American Axle & Manufacturing, Inc., United Technologies Corporation, Florida Turbine Technologies, Inc.. Active years: 1996-2026.

USPTO Granted Patents = 127 (Patent Applications = 11)

% Patents Active = 89.8

CIPO Patents = 1

EPO Patents = 14 (Patent Applications = 13)

Average Co-Inventor Count = 2.3

ph-index = 19

Forward Citations = 1,168(Granted Patents)

Forward Citations (Not Self Cited) = 969(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Saginaw, MI (US) (1996)
Rochester Hills, MI (US) (1999)
Jupiter, FL (US) (1997 - 2013)
Hobe Sound, FL (US) (2014 - 2020)
South Lyons, MI (US) (2019 - 2020)
South Lyon, MI (US) (2007 - 2024)

Company Filing History:

99 out of 543

American Axle & Manufacturing, Inc.

patents

15 out of 10,655

United Technologies Corporation

patents

13 out of 528

Florida Turbine Technologies, Inc.

patents

Years Active: 1996-2026

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Areas of Expertise:

Electric Drive Unit

Motor Assembly

Heat Sink

Axle Assembly

Cooling Apparatus

Transmission

Torque Vectoring

Switched Reluctance Motor

Hybrid Axle

Differential Gearing

Power Switching Device

Vehicle Driveline

127 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12685187 - Electric drive module (2026-07-14),

2. 12576703 - Electric drive unit with motor assembly isolated from beaming loads transmitted through housing assembly (2026-03-17),

3. 12394694 - Integrated power switching device heat sink (2025-08-19),

4. 12381447 - Electric drive module configured as a beam axle (2025-08-05),

5. 12355308 - Electric drive module having motor with heat sink insert in rotor shaft (2025-07-08),

6. 12199020 - Integrated power switching device heat sink (2025-01-14),

7. 12057738 - Electric motor and stator cooling apparatus (2024-08-06),

8. 12046981 - Electric drive unit with encapsulated field windings and seal member (2024-07-23),

9. 11946531 - Electric drive module with transmission having parallel twin gear pairs sharing load to a final drive gear (2024-04-02),

10. 11888356 - Electric drive module having motor with heat sink insert in rotor shaft (2024-01-30),

11. 11863046 - Electric drive unit (2024-01-02),

12. 11862543 - Electric drive module (2024-01-02),

13. 11845328 - Electric drive unit with motor assembly isolated from beaming loads transmitted through housing assembly (2023-12-19),

14. 11750063 - Electric drive module configured as a beam axle (2023-09-05),

15. 11626765 - Electric drive module having motor with heat sink insert in rotor shaft (2023-04-11),

Title: The Innovative Journey of James Preston Downs

Introduction: James Preston Downs, a talented inventor hailing from South Lyon, MI (US), has made significant contributions to the world of innovations with his creative mind and dedication.

Latest Patents: James Preston Downs has recently been granted patents for his groundbreaking inventions in the fields of renewable energy technology and sustainable agriculture practices.

Career Highlights: With a career spanning over two decades, James Preston Downs has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing unique solutions to address them. His innovative spirit has led to the creation of several patented technologies that have revolutionized their respective industries.

Collaborations: Throughout his career, James Preston Downs has collaborated with leading research institutions, universities, and companies to further develop and commercialize his inventions. His ability to work effectively in multidisciplinary teams has been instrumental in bringing his ideas to life.

Conclusion: James Preston Downs continues to inspire the next generation of inventors with his passion for innovation and his relentless pursuit of excellence. His contributions to the field of inventions have left a lasting impact on society, shaping the way we live and work for the better.