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For the Inventor, By the Inventor

Mentor, OH, United States of America

Jeffrey R Lehtinen

This inventor holds 11 USPTO granted patents and 1 published patent application. Top assignee: Parker-Hannifin Corporation. Active years: 2004-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jeffrey R Lehtinen. Retrieved from https://idiyas.com/inventor/jeffrey-r-lehtinen

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

USPTO Granted Patents = 11 

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 63(Granted Patents)


Location History:

  • Concord, OH (US) (2006)
  • Mentor, OH (US) (2016)
  • Concord Township, OH (US) (2004 - 2023)

Company Filing History:

goldMedal11 out of 1,694 
 
Parker-Hannifin Corporation
 patents

Years Active: 2004-2023

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11 patents (USPTO):Explore Patents
1. 11655979 - Airblast fuel nozzle (2023-05-23),
2. 11391463 - Airblast fuel nozzle (2022-07-19),
3. 10955138 - Airblast fuel nozzle (2021-03-23),
4. 9464808 - Nozzle tip assembly with secondary retention device (2016-10-11),
5. 8327649 - Gas turbine fuel injector assembly with overlapping frictionally engaged members for damping vibrations (2012-12-11),
6. 8312727 - Vibration damper (2012-11-20),
7. 7966819 - Vibration damper for fuel injector (2011-06-28),
8. 7921649 - Mode suppression shape for beams (2011-04-12),
9. 7290394 - Fuel injector flexible feed with moveable nozzle tip (2007-11-06),
10. 7007476 - Gas turbine fuel system staging valves (2006-03-07),
11. 6711898 - Fuel manifold block and ring with macrolaminate layers (2004-03-30),

Title: The Innovative Contributions of Jeffrey R. Lehtinen

Introduction

Jeffrey R. Lehtinen is a notable inventor based in Mentor, OH (US), recognized for his significant contributions to the field of fuel injection technology. With a total of 11 patents to his name, Lehtinen has made strides in enhancing the efficiency and performance of gas turbine engines used in aircraft.

Latest Patents

One of Lehtinen's latest innovations is the Airblast Fuel Nozzle. This advanced fuel injector is designed for gas turbine engines and features a fuel nozzle that includes both a fuel swirler and an outer air swirler. The fuel swirler is equipped with a manifold that receives fuel from a conduit and directs it through multiple passages to discharge orifices, creating a swirling flow. This design aims to provide a uniform spray while minimizing recirculation zones and reducing residence time as fuel enters the manifold. Additionally, it addresses issues such as flow disruptions, boundary layer growth, and pressure drop, while also reducing internal coking and thermal stresses. The outer air swirler enhances atomization and spray uniformity, ensuring a wide spray angle and improved flow performance.

Career Highlights

Lehtinen's career is marked by his role at Parker-Hannifin Corporation, where he has been instrumental in developing innovative solutions for fuel injection systems. His work has not only contributed to advancements in aviation technology but has also positioned him as a key figure in the industry.

Collaborations

Throughout his career, Lehtinen has collaborated with talented professionals such as Fady Bishara and Luther Wirtz. These partnerships have fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies.

Conclusion

Jeffrey R. Lehtinen's contributions to fuel injection technology exemplify the impact of innovation in the aviation industry. His patents and collaborative efforts continue to shape the future of gas turbine engine performance.

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]
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