Stephen L Hahn

This inventor holds 20 USPTO granted patents, primarily in Engine Control Systems. Top assignee: Ford Global Technolgoies, LLC. Active years: 2001-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen L Hahn. Retrieved from https://idiyas.com/inventor/stephen-l-hahn

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

USPTO Granted Patents = 20

% Patents Active = 95.0

Average Co-Inventor Count = 3.2

ph-index = 9

Forward Citations = 304(Granted Patents)

Company Filing History:

20 out of 26,703

Ford Global Technolgoies, LLC

patents

Years Active: 2001-2010

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Areas of Expertise:

Combustion Control

Multiple Fuel Engine

Catalyst Storage

Air/Fuel Ratio

Oxidant-Based Control

Oxygen Storage

Engine Operating Conditions

Misfire Detection

Adaptive Control

Engine-Mounted Accelerometer

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7779813 - Combustion control system for an engine utilizing a first fuel and a second fuel (2010-08-24),

2. 7597072 - System and method for operating a multiple fuel engine (2009-10-06),

3. 7257944 - System and method for controlling catalyst storage capacity (2007-08-21),

4. 7143574 - System and method for determining set point location for oxidant-based engine air/fuel control strategy (2006-12-05),

5. 7076943 - System and method for determining set point location for oxidant-based engine air/fuel control strategy (2006-07-18),

6. 7007461 - System and method for controlling catalyst storage capacity (2006-03-07),

7. 6993899 - System and method for controlling catalyst storage capacity (2006-02-07),

8. 6964160 - System and method for controlling catalyst storage capacity (2005-11-15),

9. 6964159 - System and method for adjusting air/fuel ratio (2005-11-15),

10. 6912844 - System and method for determining set point location for oxidant-based engine air/fuel control strategy (2005-07-05),

11. 6769243 - System and method for determining target oxygen storage in an automotive catalyst (2004-08-03),

12. 6751947 - System and method for estimating oxidant storage of a catalyst (2004-06-22),

13. 6629409 - System and method for determining set point location for oxidant-based engine air/fuel control strategy (2003-10-07),

14. 6497093 - System and method for adjusting air-fuel ratio (2002-12-24),

15. 6470675 - System and method controlling engine based on predicated engine operating conditions (2002-10-29),

Title: **Inventor Spotlight: Stephen L. Hahn**

Introduction

Stephen L. Hahn, an accomplished inventor based in Novi, MI, has made significant contributions to the field of engine technology. With an impressive portfolio of 20 patents, he is recognized for his innovative solutions that enhance engine performance and efficiency.

Latest Patents

Hahn's latest patents include advanced systems aimed at improving multi-fuel engine functionality. One notable invention is the "Combustion control system for an engine utilizing a first fuel and a second fuel." This system enables the adjustment of fuel delivery based on ignition spark conditions, leveraging spark plug ionization detection to optimize engine performance. Another key patent is the "System and method for operating a multiple fuel engine," which details a method for controlling valve timing and lift. This innovation allows for improved operation across various fuel types, ultimately enhancing energy utilization and engine efficiency.

Career Highlights

Currently, Stephen L. Hahn is employed at Ford Global Technologies, LLC, where his expertise contributes to advancing automotive technologies. His dedication to innovation within the automotive sector is evident through his prolific output of patents and the practical applications of his inventions.

Collaborations

Throughout his career, Hahn has worked alongside notable colleagues such as Kevin Ronald Carlstrom and Stanley Larue Bower. These collaborations have likely fostered a creative environment that promotes further advancements in engine technology.

Conclusion

Stephen L. Hahn's innovative work in engine technology exemplifies the spirit of invention. His contributions through multiple patents reflect his commitment to improving automotive efficiency and performance, making him a significant figure in the field of engineering and innovation.

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]