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Valenton, France

R. Alkan & Cie

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USPTO Granted Patents = 39

Forward Citations = 362

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14 inventors (with patents filed for the assignee):

Pierre F Coutin (33 out of 33 patents)

Jean H Hasquenoph (15 out of 15 patents)

Jean-Pierre Mattei (5 out of 5 patents)

4. Didier A Duclos (4 out of 4 patents)

5. Georges E Bourrie (3 out of 3 patents)

6. Robert Marc Lensel (3 out of 3 patents)

7. Daniel Grosselin (2 out of 2 patents)

8. Jacques A Guimier (2 out of 2 patents)

9. Philippe P Guitaut (2 out of 2 patents)

10. Jean Hasquenoph, Deceased (2 out of 2 patents)

11. Jean-Luc Engerand (1 out of 3 patents)

12. Jean-Louis Andre (1 out of 1 patent)

13. Andre Lerouge (1 out of 1 patent)

14. Jean P Mattei (1 out of 1 patent)

Core Competencies:

Aircraft Load Handling

Automatic Jettisoning

Coupling Device

Load Carrier

Retractable Gripping-Arm

Safety Lock

Pressure Control

Dual-Purpose Ejector

Kinetic Energy Absorber

Modular Devices

Electromechanical Device

Remote Electrical Transmission

39 patents: Sort by Forward Citations

1. 5769349 - Device for automatically retracting a connection member with a (1998-06-23),

2. 5246649 - Method of coating composite material parts with a refractory and/or (1993-09-21),

3. 5133462 - Device for fixing printed cards in a housing and housing equipped with (1992-07-28),

4. 5018795 - Vehicle wheel made of composite material (1991-05-28),

5. 4870885 - Device for carrying and releasing a load such as a missile (1989-10-03),

6. 4754686 - Device for retaining or releasing a wire for arming a projectile fuse (1988-07-05),

7. 4706541 - Device for retaining and releasing a wire for arming bomb fuses (1987-11-17),

8. 4682529 - Modular devices for loading cartridges on board aircraft (1987-07-28),

9. 4632338 - Under aircraft load carrying and release device with triple roller (1986-12-30),

10. 4620680 - Device for carrying and ejecting under aircraft loads, comprising (1986-11-04),

11. 4601445 - Device for rapid fixing and removal of a loader to and from an aircraft (1986-07-22),

12. 4530147 - Method of grafting a metal reinforcing member in a structure of (1985-07-23),

13. 4491292 - Strut structure for suspending loads under aircraft (1985-01-01),

14. 4468843 - Coupling device for a belt with automatic snap-locking and ejection (1984-09-04),

15. 4449920 - Device for igniting a torch (1984-05-22),

Company Overview

R. Alkan & Cie is a French company based in Valenton, specializing in the development and manufacturing of high-quality electrical and electronic components. The organization focuses on providing innovative solutions for various industries, including automotive, aerospace, and industrial applications. With a commitment to research and technology, R. Alkan & Cie aims to enhance the performance and reliability of its products, catering to the evolving needs of its clients in a competitive global market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

39 Patents

#1 in Valenton

#588 in France

#17,475 in the World

Valenton, France

R. Alkan & Cie

Forward Citations = 362

14 inventors:

Pierre F Coutin (33 out of 33 patents)

Jean H Hasquenoph (15 out of 15 patents)

Jean-Pierre Mattei (5 out of 5 patents)

4. Didier A Duclos (4 out of 4 patents)

5. Georges E Bourrie (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: R. Alkan & Cie. Retrieved from https://idiyas.com/company/r-alkan-and-cie

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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