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Ducellier & Cie

USPTO Granted Patents = 14

Forward Citations = 99

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11 inventors (with patents filed for the assignee):

Louis Jean Chateau (6 out of 9 patents)

Christian Ducrot (1 out of 2 patents)

Jean M Pierret (1 out of 4 patents)

4. Roger J Habert (1 out of 1 patent)

5. Michel Gruson (1 out of 1 patent)

6. Jean C Ricci (1 out of 1 patent)

7. Gerard Veyssiere (1 out of 1 patent)

8. Francis Savelli (1 out of 1 patent)

9. Marcel Vogelsberger (1 out of 1 patent)

10. Jean-Pierre Meuret (1 out of 1 patent)

11. Bernard Mauroy (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 4884018 - Device for supplying electricity at a temporary overvoltage to auxiliary (1989-11-28),

2. 4587451 - Rotor for a small electric motor having reduced shaft portion to improve (1986-05-06),

3. 4546753 - Ignition coil for internal combustion engines (1985-10-15),

4. 4442370 - Brush lead retainer for an electrical machine (1984-04-10),

5. D267979 - Lamp for a vehicle (1983-02-15),

6. 4327686 - Ignition advance correction device (1982-05-04),

7. 4276577 - Motor vehicle battery charging installation (1981-06-30),

8. 4153032 - Ignition control device with monostable elements for providing a (1979-05-08),

9. 4059083 - Method and apparatus for obtaining an automatic ignition advance in (1977-11-22),

10. 4056980 - Depression sensor for an electronic ignition advance device for an (1977-11-08),

11. 4036199 - Device for protecting an ignition device for motor vehicles (1977-07-19),

12. 4030469 - Electronic ignition circuit (1977-06-21),

13. 4027120 - Ignition distributor having contact adjustment mechanism (1977-05-31),

14. 4009697 - Automatic ignition advance for an internal combustion engine (1977-03-01),

Ducellier & Cie is a leading manufacturer of automotive components, specializing in the production of ignition systems and lighting solutions for vehicles. With a legacy of over 100 years in the industry, Ducellier & Cie has established itself as a trusted supplier to major automobile manufacturers worldwide. The company prides itself on its commitment to innovation, quality, and customer satisfaction, and continues to push the boundaries of technology to deliver superior products and services to its clients.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

14 Patents

#266 in Paris

#1,287 in France

#40,882 in the World

Ducellier & Cie

Forward Citations = 99

11 inventors:

Louis Jean Chateau (6 out of 9 patents)

Christian Ducrot (1 out of 2 patents)

Jean M Pierret (1 out of 4 patents)

4. Roger J Habert (1 out of 1 patent)

5. Michel Gruson (1 out of 1 patent)

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