Growing community of inventors

Clamart, France

Jean Ehrsam

Average Co-Inventor Count = 2.25

ph-index = 3

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 = 16

Jean EhrsamJean-Paul Moskowitz (1 patent)Jean EhrsamAnselme Cote (1 patent)Jean EhrsamYvan Skific (1 patent)Jean EhrsamIan Robertson (1 patent)Jean EhrsamJacques Malod-Panisset (0 patent)Jean EhrsamJean Ehrsam (3 patents)Jean-Paul MoskowitzJean-Paul Moskowitz (3 patents)Anselme CoteAnselme Cote (2 patents)Yvan SkificYvan Skific (2 patents)Ian RobertsonIan Robertson (2 patents)Jacques Malod-PanissetJacques Malod-Panisset (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alstom (3 from 192 patents)

2. Regie Autonome Des Transports Parisiens (1 from 13 patents)

3. Alstom Transport Technologies (234 patents)


3 patents:

1. 7258309 - Automatic and guided system for transporting people and method for controlling transport modules running in such a system

2. 6752322 - Method of constructing a rail track on a track-receiving concrete slab

3. 6505406 - GUIDE METHOD FOR GUIDING A DEVICE THAT IS DESIGNED TO INSERT ELEMENTS INTO THE GROUND IN ORDER TO MAKE A STRUCTURE, AND A DEVICE FOR INSERTING AT LEAST ONE ELEMENT INTO THE GROUND USING SUCH A GUIDE METHOD

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as of
12/16/2025
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