Inventor · disambiguated record
Jean Ehrsam
Also filed as: EHRSAM JEAN
3 granted patents·33 citations·filing 2001–2003
70Inventor score
Top patents by PatentIndex Score
3 records- 0183US6505406B2Guide 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 methodALSTOM·Filed 2001·Granted Jan 14, 2003·16 cites·11 claims
- 0272US6752322B2Method of constructing a rail track on a track-receiving concrete slabALSTOM·Filed 2003·Granted Jun 22, 2004·12 cites·8 claims
- 0337US7258309B2Automatic and guided system for transporting people and method for controlling transport modules running in such a systemREGIE AUTONOME TRANSPORTS·Filed 2002·Granted Aug 21, 2007·5 cites·16 claims
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