Birmingham, MI, United States of America

Eleftherios M Logothetis

This inventor holds 55 USPTO granted patents, primarily in Oxygen Sensing (CPC class 2044). Top assignees: Ford Motor Company Limited, Ford Global Technolgoies, LLC. Active years: 1976-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eleftherios M Logothetis. Retrieved from https://idiyas.com/inventor/eleftherios-m-logothetis

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

USPTO Granted Patents = 55

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 13

Forward Citations = 634(Granted Patents)

Forward Citations (Not Self Cited) = 604(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Birmingham, MI (US) (1976 - 2000)
Birmington, MI (US) (2000)

Company Filing History:

45 out of 6,167

Ford Motor Company Limited

patents

10 out of 26,677

Ford Global Technolgoies, LLC

patents

Years Active: 1976-2000

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Areas of Expertise:

Exhaust Oxygen Sensing

Gas Sensors

Oxygen Partial Pressure

Catalytic Converter

Hydrocarbon Sensor

Adaptive Control

Feedback Control System

Selective Sensors

Oxygen Flux

Engine Control

Superconducting Oxides

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6153071 - Exhaust oxygen sensing (2000-11-28),

2. 6133042 - Modulated oxygen-flux method and apparatus to improve the performance of (2000-10-17),

3. 6103098 - Method of sensing exhaust oxygen (2000-08-15),

4. 5942674 - Method for detecting oxygen partial pressure using a (1999-08-24),

5. 5876673 - High sensitivity phase transformation-based oxygen sensors for (1999-03-02),

6. 5831145 - Method of introducing selectivity to nonselective gas sensors (1998-11-03),

7. 5823044 - Method for selective gas sensors based on nonlinear gas reactions (1998-10-20),

8. 5822979 - Catalyst monitoring using a hydrocarbon sensor (1998-10-20),

9. 5798269 - Method for detecting change in oxygen partial pressure based on (1998-08-25),

10. 5783153 - Metal oxide oxygen sensors based on phase transformation (1998-07-21),

11. 5592387 - Method of operating a natural gas vehicle as a function of ambient (1997-01-07),

12. 5531879 - Hego sensor without characteristic shift down (1996-07-02),

13. 5499500 - Engine air/fuel control system with catalytic converter and exhaust gas (1996-03-19),

14. 5497618 - Air/fuel control system with catalytic converter monitoring (1996-03-12),

15. 5465697 - Cold start engine air/fuel control system (1995-11-14),

Title: The Innovations of Eleftherios M Logothetis

Introduction

Eleftherios M Logothetis, based in Birmingham, MI, has made significant contributions to the field of engineering and sensor technology. With an impressive portfolio of 55 patents, he is recognized for his innovative approaches to gas sensing technologies that enhance the performance and efficiency of various applications.

Latest Patents

Among his latest inventions, Logothetis has developed an exhaust gas oxygen sensor consisting of a zirconia plate that operates with two electrodes. This sensor cleverly senses the air/fuel mixture under various conditions without the need for an external voltage source, utilizing porous layers to manage oxygen transmission delays. Additionally, he has innovated a method and apparatus for modulating the oxygen flux on a calorimetric gas sensor. This approach not only reduces sensor noise but also eliminates zero-offset by modulating the oxygen concentration of the gas mixture.

Career Highlights

Logothetis has had a distinguished career, working at renowned companies such as Ford Motor Company and Ford Global Technologies. His work at these institutions has played a crucial role in advancing automotive technologies and sensor applications.

Collaborations

Throughout his career, Logothetis has collaborated with notable professionals in the industry, including Richard E Soltis and Douglas R Hamburg. These partnerships have fostered innovation and led to the development of cutting-edge technologies within the field.

Conclusion

With a remarkable record of patents and continuous contributions to sensor technology, Eleftherios M Logothetis stands out as a leading inventor. His work not only demonstrates his dedication to engineering excellence but also his commitment to developing innovative solutions that impact the automotive industry.

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]