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Snecma

USPTO Granted Patents = 1,659

% Expired Patents = 3.0

CIPO Patents = 296

EPO Patents = 879

Trademarks = 5

Forward Citations = 8,789

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1,904 inventors (with patents filed for the assignee):

Didier Hippolyte Hernandez (48 out of 60 patents)

Olivier Belmonte (40 out of 69 patents)

Denis Jean Maurice Sandelis (37 out of 39 patents)

4. Stephane Rousselin (36 out of 38 patents)

5. Francois Gallet (35 out of 42 patents)

6. Romain Nicolas Lunel (28 out of 51 patents)

7. Jean-Luc Soupizon (28 out of 40 patents)

8. Claude Marcel Mons (26 out of 44 patents)

9. Bruno Robert Gaully (24 out of 27 patents)

10. Jean-Michel Patrick Maurice Franchet (22 out of 30 patents)

11. Michel Andre Bouru (22 out of 24 patents)

12. Gilles Alain Charier (21 out of 34 patents)

13. Mario Cesar De Sousa (21 out of 27 patents)

14. Gilles Charles Casimir Klein (20 out of 28 patents)

15. Bruno Jacques Gerard Dambrine (20 out of 24 patents)

Core Competencies:

Turbine Blade

Cooling Device

Fuel Injection

Turbomachine

Propulsion Module

Acoustic Liner

Variable Pitch Vane

Gas Turbine

Composite Materials

Blade Optimization

Fluid Circuit

Aerodynamic Performance

1,659 patents: Sort by Forward Citations

1. 11460040 - Fan blade (2022-10-04),

2. 10883422 - Cooling device for a turbomachine supplied by a discharge circuit (2021-01-05),

3. 10870147 - Method for knocking out a foundry core and method for manufacturing by casting comprising such a method (2020-12-22),

4. 10738654 - Lubricating-oil collection cap for turbomachine equipment (2020-08-11),

5. 10662805 - Control ring for a stage of variable-pitch vanes for a turbine engine (2020-05-26),

6. 10662795 - Rotary assembly for a turbomachine (2020-05-26),

7. 10539028 - Method of optimizing the profile of a composite material blade for rotor wheel of a turbine engine, and a blade having a compensated tang (2020-01-21),

8. 10532833 - Space propulsion module having both electric and solid fuel chemical propulsion (2020-01-14),

9. 10526906 - Mobile turbine blade with an improved design for an aircraft turbomachine (2020-01-07),

10. 10428733 - Turboprop air intake (2019-10-01),

11. 10385708 - Guide assembly with optimised aerodynamic performance (2019-08-20),

12. 10267172 - Rotary assembly for a turbomachine (2019-04-23),

13. 10267164 - Blade having platforms including inserts (2019-04-23),

14. 10233837 - Assembly for an aircraft turbine engine comprising a fan casing equipped with an acoustic liner incorporating a fan casing stiffener (2019-03-19),

15. 10233572 - Yarn take-up system for weaving and a method of weaving a reinforcing fiber structure for composite material parts (2019-03-19),

Company Overview

Snecma, headquartered in Paris, specializes in turbomachinery technology, focusing on the development and manufacturing of advanced propulsion systems. The company is renowned for its expertise in turbine blades, cooling devices, and fuel injection systems, which are critical components in gas turbines and propulsion modules. With a commitment to innovation, Snecma also explores acoustic liners and variable pitch vanes, contributing to enhanced performance and efficiency in aerospace applications. Its technological advancements play a vital role in the global aerospace industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

1,659 Patents

#8 in Paris

#15 in France

#605 in the World

Snecma

Forward Citations = 8,789

1,904 inventors:

Didier Hippolyte Hernandez (48 out of 60 patents)

Olivier Belmonte (40 out of 69 patents)

Denis Jean Maurice Sandelis (37 out of 39 patents)

4. Stephane Rousselin (36 out of 38 patents)

5. Francois Gallet (35 out of 42 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Snecma. Retrieved from https://idiyas.com/company/snecma

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

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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