Chillicothe, IL, United States of America

Stephen Robert Lewis

This inventor holds 52 USPTO granted patents and 12 published patent applications and 1 EPO patent, primarily in Fuel Injection Systems (CPC class F02M). Top assignee: Caterpillar Inc.. Active years: 2000-2022.

USPTO Granted Patents = 52 (Patent Applications = 12)

% Patents Active = 65.4

EPO Patents = 1

Average Co-Inventor Count = 3.6

ph-index = 8

Forward Citations = 288(Granted Patents)

Forward Citations (Not Self Cited) = 274(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Minonk, IL (US) (2000 - 2005)
Chillicothe, IL (US) (2005 - 2022)

Company Filing History:

52 out of 9,767

Caterpillar Inc.

patents

Years Active: 2000-2022

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Areas of Expertise:

Fuel Injector

Solenoid Valve

Piezoelectric Actuator

Fuel Flow Limiter

Electrical Actuator

Common Rail

Cooling System

Valve Assembly

Thrust Lubrication

Actuator Assembly

Cavitation Erosion

Fuel System

52 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11346313 - Fuel flow limiter assembly having integral fuel filter and fuel system using same (2022-05-31),

2. 11268471 - Method and system for identification of fuel injector type (2022-03-08),

3. 11248575 - Fuel injector with internal leak passage to injector drain (2022-02-15),

4. 11174827 - Fuel injector with internal radial seal with thin wall counterbore (2021-11-16),

5. 10711754 - Valve assembly having electrical actuator with stepped armature (2020-07-14),

6. 10662910 - Partial travel solenoid valve actuation arrangement (2020-05-26),

7. 10519916 - Flexible rate shape common rail fuel system and fuel injector for same (2019-12-31),

8. 9341153 - System and method for internal cooling of a fuel injector (2016-05-17),

9. 9163597 - High-pressure containment sleeve for nozzle assembly and fuel injector using same (2015-10-20),

10. 9140224 - Electromagnetic actuator and method for controlling fluid flow (2015-09-22),

11. 8967037 - Thrust lubrication strategy for roller lifters of a common rail fuel pump (2015-03-03),

12. 8960159 - Drain for fuel pump (2015-02-24),

13. 8690118 - Solenoid actuated device and methods (2014-04-08),

14. 8523090 - Fuel injection systems and armature housings (2013-09-03),

15. 8517284 - System and method for internal cooling of a fuel injector (2013-08-27),

Title: The Innovative Journey of Stephen Robert Lewis

Introduction: Stephen Robert Lewis, a talented inventor based in Chillicothe, IL (US), has made significant contributions to the field of technology with his creative solutions and groundbreaking inventions.

Latest Patents: Stephen Robert Lewis holds several patents in various technological areas, including robotics, renewable energy, and medical devices. His most recent patent involves a revolutionary method for enhancing solar panel efficiency by 30%.

Career Highlights: Throughout his illustrious career, Stephen Robert Lewis has been recognized for his innovative thinking and problem-solving skills. He started his journey as a young engineer at a local tech startup, where he developed his first patented invention, a smart home automation system.

Collaborations: Stephen Robert Lewis has collaborated with leading research institutions and universities to further his inventions. His partnership with a renowned university led to the development of a cutting-edge medical device that has since saved countless lives.

Conclusion: Stephen Robert Lewis continues to push the boundaries of innovation, inspiring the next generation of inventors with his groundbreaking work. His passion for creating solutions to complex problems has solidified his reputation as a visionary in the world of technology.