Stéphane Hiernaux

This inventor holds 20 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 26 EPO patents, primarily in Turbomachinery Design. Top assignees: Safran Aero Boosters Sa, Techspace Aero S.a., Other. Active years: 2015-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stéphane Hiernaux. Retrieved from https://idiyas.com/inventor/stephane-hiernaux

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

USPTO Granted Patents = 20 (Patent Applications = 2)

% Patents Active = 100.0

CIPO Patents = 1 (Patent Applications = 7)

EPO Patents = 26 (Patent Applications = 24)

Average Co-Inventor Count = 1.0

ph-index = 3

Forward Citations = 37(Granted Patents)

Location History:

Waremme, BE (2015)
Heers, BE (2019)
Oupeye, BE (2018 - 2022)
Herstal, BE (2024)

Company Filing History:

18 out of 145

Safran Aero Boosters Sa

1 out of 834,570

Other

patents

Years Active: 2015-2025

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Areas of Expertise:

Turbomachine Compressor

Blade Design

Sealing System

Variable Orientation Vane

Compressor Sub-Assembly

Axial Turbine Engine

Shroud Design

Turbulence Sensor

Brush Seal

Vortex-Injector Casing

Contra-Rotating Rotor

Inner Shell

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12264598 - Sub-assembly for a low-pressure compressor of an aircraft turbine engine (2025-04-01),

2. 11898468 - Sub-assembly for a low-pressure compressor of an aircraft turbine engine (2024-02-13),

3. 11377960 - Shroud having elevations, for a turbomachine compressor (2022-07-05),

4. 11203935 - Blade with protuberance for turbomachine compressor (2021-12-21),

5. 10787909 - Asymmetrical shroud for a compressor of a turbine engine (2020-09-29),

6. 10746184 - Turbine engine compressor with a turbulence sensor (2020-08-18),

7. 10746036 - Sealing system for turbomachine compressor (2020-08-18),

8. 10690147 - Compressor with segmented inner shroud for an axial turbine engine (2020-06-23),

9. 10677063 - Compressor for turbine engine (2020-06-09),

10. 10519793 - Brush seal for a turbine engine rotor (2019-12-31),

11. 10502143 - Compressor of axial turbine engine with contra-rotating rotor (2019-12-10),

12. 10443416 - Casing with suction arm for axial turbine engine (2019-10-15),

13. 10359054 - Vortex-injector casing for an axial turbomachine compressor (2019-07-23),

14. 10287908 - Variable orientation vane for compressor of axial turbomachine (2019-05-14),

15. 10273977 - Perforated drum of a compressor of an axial turbine engine (2019-04-30),

Title: The Innovative Contributions of Stéphane Hiernaux

Stéphane Hiernaux, an accomplished inventor based in Oupeye, Belgium, has made significant advancements in the field of aerospace engineering. With a noteworthy portfolio of 13 patents, Hiernaux has dedicated his career to enhancing the efficiency and performance of aircraft turbine engines.

Latest Patents

Among his recent inventions, Hiernaux has developed a sub-assembly for a low-pressure compressor of an aircraft turbine engine. This innovative design features a straightener equipped with cantilevered vanes and a rotor hub that includes a cavity covered by an inner shroud opposite to the vanes. Notably, orifices in the inner shroud enable an air flow to circulate from downstream to upstream within the low-pressure compressor. This invention showcases his commitment to increasing the aerodynamic efficiency of aircraft systems.

Career Highlights

Throughout his professional journey, Stéphane Hiernaux has established himself as a key player in aerospace technology. He is currently employed at Safran Aero Boosters, a company renowned for its contributions to the aerospace industry. His role involves designing and developing cutting-edge solutions that meet the complex demands of modern aviation.

Collaborations

Collaborating with fellow inventor Nicolas Habotte, Hiernaux has worked on various projects that enhance aircraft performance. This partnership highlights the importance of teamwork in achieving groundbreaking innovations within the aerospace sector.

Conclusion

In summary, Stéphane Hiernaux exemplifies the spirit of innovation through his impressive body of work. His patents, particularly in the domain of aircraft turbine engine technology, reflect his expertise and dedication to advancing aviation engineering. As he continues to push the boundaries of aerospace innovation, Hiernaux remains a noteworthy figure in the landscape of modern invention.

Profile summary based on public USPTO records.