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Patents Grants
last 30 patents
Information
Patent Grant
Coil-like conductor of sintered superconducting oxide material
Patent number
4,970,483
Issue date
Nov 13, 1990
Societe Anonyme dite: Alsthom
Alain Wicker
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cell for a medium or high tension metaclad station, and a station m...
Patent number
4,968,875
Issue date
Nov 6, 1990
Societe Anonyme dite: Alsthom
Edmond Thuries
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Composite superconducting strand having a high critical temperature...
Patent number
4,954,479
Issue date
Sep 4, 1990
Societe Anonyme dite: Alsthom
Patrick Dubots
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Control device for controlling a circuit breaker
Patent number
4,952,759
Issue date
Aug 28, 1990
Societe Anonyme dite: Alsthom
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High tension circuit breaker with low operating energy
Patent number
4,945,198
Issue date
Jul 31, 1990
Societe Anonyme dite: Alsthom
Edmond Thuries
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Articulated coupling for two rail vehicles
Patent number
4,942,824
Issue date
Jul 24, 1990
Societe Anonyme dite: Alsthom
Michel Cros
B61 - RAILWAYS
Information
Patent Grant
Braking resistor for a high tension electrical network
Patent number
4,940,961
Issue date
Jul 10, 1990
Societe Anonyme dite: Alsthom
Edmond Thuries
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System for transmitting broadband data and/or instructions between...
Patent number
4,932,617
Issue date
Jun 12, 1990
Societe Anonyme dite: Alsthom
Marc Heddebaut
G07 - CHECKING-DEVICES
Information
Patent Grant
Arc-rotating magnetic blast coil for the contact element of an elec...
Patent number
4,918,268
Issue date
Apr 17, 1990
Societe Anonyme dite: Alsthom
Daniel Pothieux
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Static device for homogenizing a flowing fluid
Patent number
4,909,635
Issue date
Mar 20, 1990
Societe Anonyme dite: Alsthom
Yves Lecoffre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Current limiter
Patent number
4,910,626
Issue date
Mar 20, 1990
Societe Anonyme dite: Alsthom
Michel Collet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device for ventilating rheostats and/or fluid radiators in a locomo...
Patent number
4,907,645
Issue date
Mar 13, 1990
Societe Anonyme dite: Alsthom
Jean-Claude Dumas
B61 - RAILWAYS
Information
Patent Grant
Railroad switch motor system
Patent number
4,896,850
Issue date
Jan 30, 1990
Societe Anonyme dite: ALSTHOM
Francis Carmes
B61 - RAILWAYS
Information
Patent Grant
Method of welding inside a groove machined in a solid steel part, a...
Patent number
4,896,814
Issue date
Jan 30, 1990
Societe Anonyme dite: Alsthom
Gilles Allain
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electricity station
Patent number
4,884,166
Issue date
Nov 28, 1989
Societe Anonyme dite Alsthom
Edmond Thuries
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
High-or medium-tension compressed-gas circuit breaker taking circui...
Patent number
4,880,946
Issue date
Nov 14, 1989
Societe Anonyme dite: Alsthom
Edmond Thuries
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Identification transponder for use when a vehicle passes a given point
Patent number
4,873,531
Issue date
Oct 10, 1989
Societe Anonyme dite: Alsthom
Marc Heddebaut
B61 - RAILWAYS
Information
Patent Grant
Synchronous machine with superconducting windings
Patent number
4,862,023
Issue date
Aug 29, 1989
Societe Anonyme dite Alsthom
Yves Laumond
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method of assembling a rotor of a steam turbine consttuted by disks...
Patent number
4,860,418
Issue date
Aug 29, 1989
Societe Anonyme dite Alsthom
Daniel Fleury
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Homogenizing device for a fluid carried in a pipe
Patent number
4,859,071
Issue date
Aug 22, 1989
Societe Anonyme dite Alsthom
Jacques Woilles
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Detection device for detecting transitions to the normal state in a...
Patent number
4,855,859
Issue date
Aug 8, 1989
Societe Anonyme dite Alsthom
Pascal Tixador
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Feed circuit for railway braking systems
Patent number
4,850,652
Issue date
Jul 25, 1989
Societe Anonyme dite: Alsthom
Jean-Claude Dumas
B60 - VEHICLES IN GENERAL