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Patents Grants
last 30 patents
Information
Patent Grant
Device for measuring visibility distance
Patent number
7,873,188
Issue date
Jan 18, 2011
Laboratoire Central des Ponts et Chaussees
Nicolas Hautiere
G01 - MEASURING TESTING
Information
Patent Grant
Device and method for positioning and controlling railway vehicles...
Patent number
7,725,252
Issue date
May 25, 2010
Institut National de Recherche sur les Transports et leur Securite (INRETS)
Marc Heddebaut
B61 - RAILWAYS
Information
Patent Grant
Electromagnetic compatibility testing device
Patent number
6,795,030
Issue date
Sep 21, 2004
Institut National de Recherche sur les Transports et leur Securite (INRETS)
Marco Klingler
G01 - MEASURING TESTING
Information
Patent Grant
Device and method for controlling actuating devices for the active...
Patent number
6,684,139
Issue date
Jan 27, 2004
Alstom Transport SA
Regis Kirat
B61 - RAILWAYS
Information
Patent Grant
Hall effect position sensor for a railway vehicle axle
Patent number
4,943,772
Issue date
Jul 24, 1990
Alshtom
Jean-Louis Maupu
G01 - MEASURING TESTING
Information
Patent Grant
Axle with magnetic guidance for railroad vehicles
Patent number
4,920,893
Issue date
May 1, 1990
Matra Transport
Jean-Louis Maupu
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Device for determining position of a railway vehicle by measuring d...
Patent number
4,912,406
Issue date
Mar 27, 1990
Alsthom
Hugues Chollet
G01 - MEASURING TESTING
Information
Patent Grant
Method of determining the trajectory of a body suitable for moving...
Patent number
4,839,648
Issue date
Jun 13, 1989
Association pour la Recherche et le Developpement des Methodes et Processus I...
Serge Beucher
G08 - SIGNALLING
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Patents Applications
last 30 patents
Information
Patent Application
Sight Distance Measuring Device
Publication number
20080137911
Publication date
Jun 12, 2008
Laboratoire Central Des Ponts Et Chaussees
Nicolas Hautiere
G06 - COMPUTING CALCULATING COUNTING