Assignee
ALSTHOM GEC
FR·111 granted patents·2,414 citations·filing 1989–1998
Top patents by PatentIndex Score
111 records- 0192US5357068ASulfur hexafluoride isolating circuit-breaker and use thereof in prefabricated stations, substations, and baysALSTHOM GEC·Filed 1992·Granted Oct 18, 1994·108 cites·9 claims
- 0292US5350892AMedium tension circuit-breaker for indoor or outdoor useALSTHOM GEC·Filed 1992·Granted Sep 27, 1994·103 cites·20 claims
- 0391US5321597AGalvanic isolation device for direct current electrical signals or electrical signals likely to include a direct current componentALSTHOM GEC·Filed 1993·Granted Jun 14, 1994·124 cites·14 claims
- 0491US5091668AMotor having flux-concentrating permanent magnetsALSTHOM GEC·Filed 1990·Granted Feb 25, 1992·230 cites·8 claims
- 0591US4933630ASystem for measuring phase currents in a 3-phase installationALSTHOM GEC·Filed 1989·Granted Jun 12, 1990·68 cites·2 claims
- 0690US5286933AVacuum circuit-breaker equipped with self-diagnosis meansALSTHOM GEC·Filed 1992·Granted Feb 15, 1994·57 cites·16 claims
- 0787US5321221ASelf-disconnecting circuit-breaker for medium tension, and use thereof in a medium-tension station or bayALSTHOM GEC·Filed 1992·Granted Jun 14, 1994·59 cites·44 claims
- 0886US5162686AMotor rotor having magnetsALSTHOM GEC·Filed 1990·Granted Nov 10, 1992·81 cites·7 claims
- 0983US5300884APosition sensing apparatus for measuring the angular position of a rotor relative to a stator having a plurality of teeth with excitation windings and plural phase reception windingsALSTHOM GEC·Filed 1992·Granted Apr 5, 1994·60 cites·4 claims
- 1083US5289093AAntispin and antilock methods for an electric traction vehicleALSTHOM GEC·Filed 1992·Granted Feb 22, 1994·112 cites·9 claims
- 1181US5305961AMethod of winding an electrical coil as successive oblique layers of coil turnsALSTHOM GEC·Filed 1992·Granted Apr 26, 1994·65 cites·1 claims
- 1281US5293014ACircuit breaker with triple movement for high or medium voltagesALSTHOM GEC·Filed 1992·Granted Mar 8, 1994·33 cites·5 claims
- 1379US5200698ASystem for sensing the position of a rotating steel shaft including a track formed by a strip having discontinuous electrical properties, and a method of manufacturing such a trackALSTHOM GEC·Filed 1990·Granted Apr 6, 1993·64 cites·3 claims
- 1475US5318270AValve with a crenellated seatALSTHOM GEC·Filed 1992·Granted Jun 7, 1994·39 cites·1 claims
- 1575US5058391AMethod of cooling electrical components, device for implementing same and application to vehicle-borne componentsALSTHOM GEC·Filed 1990·Granted Oct 22, 1991·52 cites·6 claims
- 1673US5223682AArc-detecting circuit breakerALSTHOM GEC·Filed 1991·Granted Jun 29, 1993·26 cites·8 claims
- 1768US5110460ACentrifugal separator for a liquid capable of waxing, in particular for diesel oilALSTHOM GEC·Filed 1990·Granted May 5, 1992·47 cites·8 claims
- 1867US5215168ABraking system for a railway vehicleALSTHOM GEC·Filed 1991·Granted Jun 1, 1993·26 cites·5 claims
- 1967US5153804AHybrid current limiter having superconductor windingsALSTHOM GEC·Filed 1991·Granted Oct 6, 1992·20 cites·10 claims
- 2065US5295207AOptical apparatus for measuring current in a grounded metal-clad installationALSTHOM GEC·Filed 1992·Granted Mar 15, 1994·25 cites·10 claims
- 2165US5124872AHigh tension circuit breaker having varistorsALSTHOM GEC·Filed 1990·Granted Jun 23, 1992·21 cites·8 claims
- 2264US5235147ASf6 circuit-breaker incorporating both a varistor and a capacitorALSTHOM GEC·Filed 1992·Granted Aug 10, 1993·19 cites·14 claims
- 2363US5181473ARail vehicle bogey with independent motorized wheelsALSTHOM GEC·Filed 1991·Granted Jan 26, 1993·26 cites·13 claims
- 2463US5170023ACircuit breaker with varistor-assisted interruptionALSTHOM GEC·Filed 1991·Granted Dec 8, 1992·18 cites·21 claims
- 2563US5094588AConcrete steam condenser for an axial exhaust turbine and turbine provided with sameALSTHOM GEC·Filed 1990·Granted Mar 10, 1992·22 cites·6 claims
- 2662US5197392ALinkage for articulated vehicles, in particular rail vehiclesALSTHOM GEC·Filed 1992·Granted Mar 30, 1993·23 cites·5 claims
- 2762US5001314AHigh tension circuit-breaker having a dielectric gas under pressureALSTHOM GEC·Filed 1989·Granted Mar 19, 1991·12 cites·8 claims
- 2861US5063472ADevice for detecting superconductor quenching and application to a superconducting current limiterALSTHOM GEC·Filed 1990·Granted Nov 5, 1991·25 cites·18 claims
- 2960US5276285AHigh rupture capacity circuit-breakerALSTHOM GEC·Filed 1992·Granted Jan 4, 1994·18 cites·10 claims
- 3060US5151567ACircuit breaker control apparatusALSTHOM GEC·Filed 1991·Granted Sep 29, 1992·15 cites·1 claims
- 3159US5266758ASF6 circuit breaker having an incorporated capacitorALSTHOM GEC·Filed 1991·Granted Nov 30, 1993·16 cites·7 claims
- 3259US5232338ABlade array for turbomachines comprising suction ports in the inner and/or outer wall and turbomachines comprising sameALSTHOM GEC·Filed 1991·Granted Aug 3, 1993·24 cites·5 claims
- 3358US5262605ASurge-limiting circuit breakerALSTHOM GEC·Filed 1990·Granted Nov 16, 1993·17 cites·20 claims
- 3457US5290103AOptical fiber temperature sensorALSTHOM GEC·Filed 1992·Granted Mar 1, 1994·23 cites·5 claims
- 3557US5105058ADielectric blast gas high voltage circuit breaker with electrical resistance conductorALSTHOM GEC·Filed 1990·Granted Apr 14, 1992·14 cites·19 claims
- 3656US5172041AMethod and device for asynchronous electric motor control by magnetic flux regulationALSTHOM GEC·Filed 1991·Granted Dec 15, 1992·20 cites·10 claims
- 3756US5149345ACentrifuge purifier for a gas flowALSTHOM GEC·Filed 1990·Granted Sep 22, 1992·25 cites·10 claims
- 3854US5374922ADevice for determining the state of an apparatus, and in particular the open or closed state of an electrical apparatus by means of auxiliary contactsALSTHOM GEC·Filed 1992·Granted Dec 20, 1994·18 cites·13 claims
- 3954US5104745AMultifilament superconductor strand having an anti-diffusion barrier layerALSTHOM GEC·Filed 1990·Granted Apr 14, 1992·17 cites·3 claims
- 4054US5086706AHinged bogey for rail vehiclesALSTHOM GEC·Filed 1990·Granted Feb 11, 1992·22 cites·6 claims
- 4153US5258590AMedium- or high-tension circuit breaker having abutting arcing contactsALSTHOM GEC·Filed 1992·Granted Nov 2, 1993·11 cites·4 claims
- 4253US5179257AMedium-voltage gas circuit-breakerALSTHOM GEC·Filed 1990·Granted Jan 12, 1993·11 cites·11 claims
- 4353US5164559ACircuit breaker with an incorporated varistorALSTHOM GEC·Filed 1991·Granted Nov 17, 1992·12 cites·7 claims
- 4453US5089665AMetal-clad electricity line and method of manufacturing itALSTHOM GEC·Filed 1990·Granted Feb 18, 1992·19 cites·35 claims
- 4553US5089931ASafety device for electrical apparatus containing a dielectric gas, in particular circuit breakers or voltage-droppers for measurement purposesALSTHOM GEC·Filed 1990·Granted Feb 18, 1992·13 cites·14 claims
- 4651US5304760AUltra-high-tension circuit-breakerALSTHOM GEC·Filed 1992·Granted Apr 19, 1994·11 cites·6 claims
- 4751US5151565AMedium tension circuit breakerALSTHOM GEC·Filed 1990·Granted Sep 29, 1992·10 cites·4 claims
- 4850US5308831AMethod of making a connection between a high critical temperature superconductive ceramic and a superconductor based on niobium-titaniumALSTHOM GEC·Filed 1992·Granted May 3, 1994·14 cites·2 claims
- 4950US5162627AMedium or high tension circuit breaker having abutting arcing contactsALSTHOM GEC·Filed 1991·Granted Nov 10, 1992·11 cites·2 claims
- 5050US5149247ASingle hp-mp internal stator for a steam turbine with controlled steam conditioningALSTHOM GEC·Filed 1990·Granted Sep 22, 1992·29 cites·6 claims
Showing the top 50 of 111 patent records by PatentIndex Score.
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