Inventor · disambiguated record
Jean-Pierre Dupraz
Also filed as: DUPRAZ JEAN-PIERRE
35 granted patents·638 citations·filing 1981–2016
98Inventor score
Top patents by PatentIndex Score
35 records- 0194US5414400ARogowski coilGEC ALSTHOM T & D SA·Filed 1993·Granted May 9, 1995·137 cites·10 claims
- 0293US9373473B2Mechatronic circuit breaker device and associated tripping method and use thereof in interrupting a high direct currentALSTOM TECHNOLOGY LTD·Filed 2012·Granted Jun 21, 2016·13 cites·21 claims
- 0391US9692226B2Circuit interruption deviceALSTOM TECHNOLOGY LTD·Filed 2013·Granted Jun 27, 2017·9 cites·13 claims
- 0491US4933630ASystem for measuring phase currents in a 3-phase installationALSTHOM GEC·Filed 1989·Granted Jun 12, 1990·68 cites·2 claims
- 0586US4848910ASagnac type optical fiber interferometer systemALSTHOM·Filed 1988·Granted Jul 18, 1989·57 cites·3 claims
- 0686US4797607AMethod of updating the scale factor of apparatus for measuring an alternating electric current by means of the faraday effectALSTHOM·Filed 1988·Granted Jan 10, 1989·49 cites·4 claims
- 0785US10811864B2DC circuit breaker with counter current generationGENERAL ELECTRIC TECHNOLOGY GMBH·Filed 2016·Granted Oct 20, 2020·3 cites·8 claims
- 0884US8994483B2Electromagnetic actuator comprising permanent magnets and mechanical load interrupter actuated by such an actuatorALSTOM TECHNOLOGY LTD·Filed 2012·Granted Mar 31, 2015·6 cites·25 claims
- 0983US7825763B2Current transformer with rogowski type windings, comprising an association of partial circuits forming a complete circuitAREVA T & D SA·Filed 2005·Granted Nov 2, 2010·16 cites·24 claims
- 1075US9202645B2Switchgear for a vacuum circuit breaker comprising locking meansBERARD DAVID·Filed 2012·Granted Dec 1, 2015·4 cites·13 claims
- 1173US5223682AArc-detecting circuit breakerALSTHOM GEC·Filed 1991·Granted Jun 29, 1993·26 cites·8 claims
- 1273US4437134ADischarge circuit for rapidly eliminating charge trapped in a capacitor voltage divider used for monitoring high voltage ACALSTHOM ATLANTIQUE·Filed 1981·Granted Mar 13, 1984·24 cites·4 claims
- 1372US11049670B2Mechatronic circuit-breaker deviceGENERAL ELECTRIC TECHNOLOGY GMBH·Filed 2016·Granted Jun 29, 2021·1 cites·14 claims
- 1472US7184895B2Method and system of non-intrusively monitoring the mixture ratio of a gas mixture having at least two componentsALSTOM·Filed 2002·Granted Feb 27, 2007·21 cites·17 claims
- 1571US9094009B2Method of opening a bypass switch of a high voltage direct current networkALSTOM TECHNOLOGY LTD·Filed 2012·Granted Jul 28, 2015·1 cites·5 claims
- 1670US5693873AMethod and a system for determining the density of an insulating gas in an electrical apparatusGEC ALSTHOM T & D SA·Filed 1996·Granted Dec 2, 1997·23 cites·8 claims
- 1767US5153804AHybrid current limiter having superconductor windingsALSTHOM GEC·Filed 1991·Granted Oct 6, 1992·20 cites·10 claims
- 1865US5295207AOptical apparatus for measuring current in a grounded metal-clad installationALSTHOM GEC·Filed 1992·Granted Mar 15, 1994·25 cites·10 claims
- 1963US6205846B1Method of determining with great accuracy the rate of leakage from the case of an electrical apparatusGEC ALSTHOM T & D SA·Filed 1998·Granted Mar 27, 2001·18 cites·7 claims
- 2061US5063472ADevice for detecting superconductor quenching and application to a superconducting current limiterALSTHOM GEC·Filed 1990·Granted Nov 5, 1991·25 cites·18 claims
- 2159US5444599ACapacitor having high stability with temperatureGEC ALSTHOM T & D SA·Filed 1994·Granted Aug 22, 1995·24 cites·14 claims
- 2258US9202641B2Electrical equipment comprising a mobile part having improved dynamicsBERARD DAVID·Filed 2012·Granted Dec 1, 2015·1 cites·19 claims
- 2355US7532452B2Highly temperature-stable capacitor for taking measurements on a high-voltage lineAREVA T & D SA·Filed 2006·Granted May 12, 2009·2 cites·13 claims
- 2453US7336461B2Method for determining the moment of closure of a circuit breaker on a high voltage lineAREVA T & D SA·Filed 2004·Granted Feb 26, 2008·9 cites·5 claims
- 2553US5089931ASafety 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
- 2652US7880104B2Control device for controlling electrical switchgearTOUR AREVA·Filed 2006·Granted Feb 1, 2011·3 cites·50 claims
- 2750US10177706B2Method and device for regulating the supply of a photovoltaic converterALSTOM TECHNOLOGY LTD·Filed 2014·Granted Jan 8, 2019·0 cites·21 claims
- 2849US8309871B2Apparatus for controlling electrical switchgearDUPRAZ JEAN-PIERRE·Filed 2007·Granted Nov 13, 2012·3 cites·27 claims
- 2948US7642478B2Device for controlling an electric power cutoff deviceAREVA T & D SA·Filed 2005·Granted Jan 5, 2010·1 cites·19 claims
- 3047US9589744B2Spring control device for a circuit breakerALSTOM TECHNOLOGY LTD·Filed 2013·Granted Mar 7, 2017·0 cites·2 claims
- 3146US5053915ACapacitive sensor for a circuit for measuring the potential of a line conductor in a metalclad stationALSTHOM GEC·Filed 1990·Granted Oct 1, 1991·11 cites·4 claims
- 3242US5073747AFeedback system control device and applications in amplifiers and servomechanismsALSTHOM GEC·Filed 1990·Granted Dec 17, 1991·10 cites·16 claims
- 3341US7031135B2Capacitor with high thermal stability for shielded electrical linesALSTOM·Filed 2002·Granted Apr 18, 2006·2 cites·8 claims
- 3441US4427900ASupply circuit for electronic apparatus at a high electric potentialALSTHOM ATLANTIQUE·Filed 1982·Granted Jan 24, 1984·8 cites·7 claims
- 3535US4943765ACircuit for measuring voltages in a three-phase installation, in particular an installation of the metalclad typeALSTHOM GEC·Filed 1989·Granted Jul 24, 1990·5 cites·4 claims
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