Fabien Mercier-Calvairac

This inventor holds 7 USPTO granted patents and 3 published patent applications, plus 6 CIPO patents and 6 EPO patents. Top assignees: Safran Helicopter Engines, Safran Power Units. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fabien Mercier-Calvairac. Retrieved from https://idiyas.com/inventor/fabien-mercier-calvairac

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

Calculating rank

USPTO Granted Patents = 7 (Patent Applications = 3)

% Patents Active = 85.7

CIPO Patents = 6 (Patent Applications = 4)

EPO Patents = 6 (Patent Applications = 9)

Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 52(Granted Patents)

Location History:

Pau, FR (2018 - 2020)
Moissy-Cramayel, FR (2021)

Company Filing History:

7 out of 223

Safran Helicopter Engines

where one patent can have more than one assignee

Years Active: 2018-2025

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12208912 - Hybrid propulsion system for a helicopter (2025-01-28),

2. 10953981 - Helicopter equipped with a device for emergency lift assistance (2021-03-23),

3. 10766629 - Architecture of a multiple-engine helicopter propulsion system, and corresponding helicopter (2020-09-08),

4. 10737795 - Hybrid propulsion system for a multi-engine aircraft (2020-08-11),

5. 10338540 - Method of optimized global management of an energy network of an aircraft and corresponding device (2019-07-02),

6. 10214296 - Architecture of a multi-engine helicopter propulsion system and corresponding helicopter (2019-02-26),

7. 10151246 - Assistance device for a free-turbine engine of an aircraft having at least two free-turbine engines (2018-12-11),

Title: Fabien Mercier-Calvairac: Innovator in Helicopter Propulsion Systems

Introduction

Fabien Mercier-Calvairac is a notable inventor based in Pau, France. He has made significant contributions to the field of helicopter technology, particularly in propulsion systems. With a total of seven patents to his name, Mercier-Calvairac has demonstrated a commitment to innovation and engineering excellence.

Latest Patents

Among his latest patents is a hybrid propulsion system for helicopters. This system includes a main engine, a main rotor, and a main gearbox, which is mechanically connected to the main rotor. The design features a reduction gearbox that is coupled between the main engine and the gearbox's first input. An assistance device is also included, which comprises a first electric machine that operates as an electric generator to harness energy produced by the main engine. Additionally, a second electric machine is configured to deliver extra mechanical power to the main gearbox. Another significant patent involves a helicopter equipped with a device for emergency lift assistance. This invention includes a structural framework and a main rotor for lift and propulsion, along with extra booster power units that can provide additional lift in case of a failure in the helicopter's drive train.

Career Highlights

Fabien Mercier-Calvairac has worked with prominent companies in the aerospace sector, including Safran Helicopter Engines and Safran Power Units. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in helicopter technology.

Collaborations

Throughout his career, Mercier-Calvairac has collaborated with talented professionals, including Sophie Humbert and Romain Thiriet. These partnerships have fostered a creative environment that encourages innovation and the development of new ideas.

Conclusion

Fabien Mercier-Calvairac is a distinguished inventor whose work in helicopter propulsion systems has made a lasting impact on the industry. His innovative patents and collaborations highlight his dedication to advancing aerospace technology.

Profile summary based on public USPTO records.