Growing community of inventors

Lagord, France

Francis Demarquilly

Average Co-Inventor Count = 2.73

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 24

Francis DemarquillyAlain Rodet (2 patents)Francis DemarquillyJean-Jacques Laporte (2 patents)Francis DemarquillyYves Longueville (2 patents)Francis DemarquillyChristophe Eche (2 patents)Francis DemarquillyEric Combeau (1 patent)Francis DemarquillyFrédéric Le-Breton (1 patent)Francis DemarquillyFrederic Le-Breton (1 patent)Francis DemarquillyChristeller Reinhard (0 patent)Francis DemarquillyFrancis Demarquilly (5 patents)Alain RodetAlain Rodet (16 patents)Jean-Jacques LaporteJean-Jacques Laporte (7 patents)Yves LonguevilleYves Longueville (6 patents)Christophe EcheChristophe Eche (5 patents)Eric CombeauEric Combeau (2 patents)Frédéric Le-BretonFrédéric Le-Breton (1 patent)Frederic Le-BretonFrederic Le-Breton (3 patents)Christeller ReinhardChristeller Reinhard (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alstom (2 from 192 patents)

2. Alstom Transport Sa (2 from 85 patents)

3. Alstom Transport Technologies (1 from 234 patents)


5 patents:

1. 10507848 - Railway vehicle with a movable, vertical gap bridging entry threshold

2. 8381659 - Railway vehicle comprising pivoting bogies

3. 8365675 - Railway vehicle comprising pivoting end bogies

4. 6497183 - Inflatable air bag release and membrane protection device

5. 6454326 - Device for protecting a vehicle against impact

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as of
1/9/2026
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