Jean Leblanc

This inventor holds 26 USPTO granted patents, primarily in Fuel Injection Technology. Top assignees: Robert Bosch, Sigma Diesel. Active years: 1979-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jean Leblanc. Retrieved from https://idiyas.com/inventor/jean-leblanc

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

Calculating rank

USPTO Granted Patents = 26

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 10

Forward Citations = 254(Granted Patents)

Location History:

Lyons, FR (1979 - 1990)
Lyon, FR (1983 - 1990)

Company Filing History:

Years Active: 1979-1990

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Areas of Expertise:

Fuel Injection

Radial Piston Pump

Diesel Injector

Internal Combustion Engine

Mounting Method

Spring Characteristic

Pump/Nozzle Unit

Electrically Controlled Unit

Apparatus

Combustion Engines

Injection Pump

Fuel Injection Device

26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4971012 - Distributor fuel injection radial piston pump (1990-11-20),

2. 4903666 - Fuel injection device (1990-02-27),

3. 4829646 - Method for mounting an injection pump on an internal combustion engine (1989-05-16),

4. 4805580 - Fuel injection device (1989-02-21),

5. 4750462 - Fuel injection apparatus for internal combustion engines (1988-06-14),

6. 4696271 - Fuel injection pump (1987-09-29),

7. 4669659 - Electrically controlled unit fuel injector for fuel injection in diesel (1987-06-02),

8. 4648556 - Pump/nozzle unit for fuel injection in internal combustion engines (1987-03-10),

9. 4634109 - Apparatus for adjusting the spring characteristic of a helical spring (1987-01-06),

10. 4615323 - Pump/nozzle unit for fuel injection in internal combustion engines (1986-10-07),

11. 4604980 - Fuel injection pump (1986-08-12),

12. 4574759 - Fuel injection pump (1986-03-11),

13. 4571161 - Pump/nozzle unit for fuel injection in internal combustion engines (1986-02-18),

14. 4538580 - Fuel injection pump (1985-09-03),

15. 4501246 - Fuel injection pump (1985-02-26),

Title: Jean Leblanc: Innovator in Fuel Injection Technologies

Introduction

Jean Leblanc is a prominent inventor based in Lyons, France, known for his significant contributions to fuel injection technologies. With 26 patents to his name, his work has greatly impacted the automotive and engineering fields, particularly in enhancing fuel efficiency and performance in engines.

Latest Patents

One of Jean Leblanc's latest innovations is the Distributor Fuel Injection Radial Piston Pump. This advanced fuel injection device features a pump piston that, during the supply stroke, pumps fuel from a pump work chamber into an injection line connected to a fuel injection valve. The design incorporates a valve seat adjacent to the branching of the injection line, merging with a chamber where a pressure valve closing member operates. This construction enables the pressure valve closing member to function as both an equal-pressure valve and a deflecting piston, resulting in a controlled pressure rise within the pump work chamber. Such innovative design enhances the control of the injection phase by utilizing a high-pressure magnetic valve.

Career Highlights

Throughout his career, Jean Leblanc has worked with renowned companies such as Robert Bosch GmbH and Sigma Diesel. His deep understanding of fuel injection systems has not only facilitated his inventions but has also solidified his reputation within the industry as a leading inventor.

Collaborations

In addition to his individual contributions, Jean has collaborated with esteemed colleagues like Jean Pigeroulet and Francois Rossignol. Together, they have worked on projects and innovations that have pushed the boundaries of fuel injection technology, further showcasing the importance of teamwork in the field of engineering and invention.

Conclusion

Jean Leblanc's work exemplifies the spirit of innovation in the fuel injection industry. His latest patents and impactful collaborations highlight the importance of continuous improvement and technological advancement. As he continues to innovate, the effects of his inventions will undoubtedly resonate within the automotive sector for years to come.

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]