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Societe Lignes Telegraphiques Et Telephoniques

USPTO Granted Patents = 37

Forward Citations = 285

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45 inventors (with patents filed for the assignee):

Michel De Vecchis (9 out of 10 patents)

Bernard Chiron (6 out of 6 patents)

Balint Escher (5 out of 8 patents)

4. Dominique Prince (4 out of 7 patents)

5. Herbert Ernyei (4 out of 8 patents)

6. Gerard Forterre (4 out of 10 patents)

7. Jean-Pierre Hulin (4 out of 4 patents)

8. Nicolle Bernard (3 out of 3 patents)

9. Jean-Rene Mahieu (3 out of 4 patents)

10. Jean-Claude Moulin (2 out of 2 patents)

11. Jean Gelin (2 out of 2 patents)

12. Maurice Arnaud (2 out of 3 patents)

13. Etienne Langlois (2 out of 3 patents)

14. Jean Marcoux (2 out of 2 patents)

15. Julien Prevot (2 out of 3 patents)

37 patents: Sort by Forward Citations

1. 4354732 - Cable elements comprising optical fibres and cables incorporating them (1982-10-19),

2. 4272472 - Method and apparatus for grooved section manufacture (1981-06-09),

3. 4265512 - Optoelectronic converting termination for optical-fibre transmission (1981-05-05),

4. 4260991 - Luneberg type passive reflector for circularly polarized waves (1981-04-07),

5. 4258339 - Lumped circuit circulator with adjustable band widening circuit (1981-03-24),

6. 4258328 - Feed forward microwave amplifier for communication systems (1981-03-24),

7. 4255727 - Electromechanical filters (1981-03-10),

8. 4237687 - Optical fibre laying head for cable production (1980-12-09),

9. 4236125 - Wide band high power very high or ultra high frequency circulators (1980-11-25),

10. 4235009 - Encapsulating solid tantalum capacitors (1980-11-25),

11. 4221513 - Method of continuously machining supports for electromagnetic wave guides (1980-09-09),

12. 4186357 - Non-reciprocal microwave phase shifters operating in a wide band on edge (1980-01-29),

13. 4181905 - Quick release connector for waveguide circuits (1980-01-01),

14. 4169969 - Apparatus for detecting in-band signalling signals (1979-10-02),

15. 4163960 - Electromechanical filter structure (1979-08-07),

Societe Lignes Telegraphiques Et Telephoniques (SLTT) is a leading telecommunications company specializing in telegraph and telephone services. Established in France in 1879, SLTT has a rich history and extensive experience in providing reliable and efficient communication solutions. With a strong focus on innovation and technology, SLTT continuously strives to enhance its services and remains at the forefront of advancements in the telecommunications industry. Dedicated to customer satisfaction, SLTT offers a wide range of telecommunication solutions tailored to meet the needs of businesses and individuals alike.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

37 Patents

#144 in Paris

#599 in France

#17,698 in the World

Societe Lignes Telegraphiques Et Telephoniques

Forward Citations = 285

45 inventors:

Michel De Vecchis (9 out of 10 patents)

Bernard Chiron (6 out of 6 patents)

Balint Escher (5 out of 8 patents)

4. Dominique Prince (4 out of 7 patents)

5. Herbert Ernyei (4 out of 8 patents)

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