Assignee
ALSTHOM
FR·61 granted patents·1,311 citations·filing 1985–1989
Top patents by PatentIndex Score
61 records- 0190US4743138ADevice for coupling two flanged shaft endsALSTHOM·Filed 1987·Granted May 10, 1988·71 cites·1 claims
- 0288US4832993AMethod of applying a protective coating to a titanium alloy blade, and a blade obtained therebyALSTHOM·Filed 1988·Granted May 23, 1989·61 cites·3 claims
- 0388US4797027AAutomatic level-regulating sluiceALSTHOM·Filed 1987·Granted Jan 10, 1989·70 cites·7 claims
- 0486US4848910ASagnac type optical fiber interferometer systemALSTHOM·Filed 1988·Granted Jul 18, 1989·57 cites·3 claims
- 0586US4797607AMethod 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
- 0682US4795313AProtective tip for a titanium blade and a method of brazing such a tipALSTHOM·Filed 1987·Granted Jan 3, 1989·37 cites·3 claims
- 0780US4834168ADevice for electromagnetically stirring liquid metal on a continuous casting lineALSTHOM·Filed 1988·Granted May 30, 1989·21 cites·6 claims
- 0880US4757220AElectrodynamic vernier machineALSTHOM·Filed 1985·Granted Jul 12, 1988·47 cites·11 claims
- 0978US4678877AOperating mechanism for a circuit-breaker, and a circuit-breaker fitted with the mechanismALSTHOM·Filed 1986·Granted Jul 7, 1987·24 cites·5 claims
- 1076US4816708ASynchronous machine having superconductive stator and rotor windingsALSTHOM·Filed 1988·Granted Mar 28, 1989·42 cites·2 claims
- 1175US4685188AMethod of coupling two flanged shaft endsALSTHOM·Filed 1986·Granted Aug 11, 1987·37 cites·1 claims
- 1274US4644808AApparatus for measuring the concentration of cavitation nuclei in a liquidALSTHOM·Filed 1985·Granted Feb 24, 1987·37 cites·7 claims
- 1373US4774388ACompressed dielectric gas circuit breakerALSTHOM·Filed 1987·Granted Sep 27, 1988·19 cites·4 claims
- 1473US4761579AElectromagnetic levitation deviceALSTHOM·Filed 1987·Granted Aug 2, 1988·30 cites·6 claims
- 1572US4982671AVehicle with steerable axlesALSTHOM·Filed 1988·Granted Jan 8, 1991·30 cites·8 claims
- 1672US4808864ASuperconducting electric rotating machine and its thermal insulationALSTHOM·Filed 1987·Granted Feb 28, 1989·36 cites·2 claims
- 1772US4707214ATaping machine for hot taping an electrical conductorALSTHOM·Filed 1986·Granted Nov 17, 1987·37 cites·5 claims
- 1872US4650941ACompressed gas, high tension circuit breaker, with operating energy assisted by the thermal effect of the arcALSTHOM·Filed 1986·Granted Mar 17, 1987·18 cites·8 claims
- 1971US4840221ADevice for ventilating rheostats and/or fluid radiators in a locomotiveALSTHOM·Filed 1988·Granted Jun 20, 1989·26 cites·4 claims
- 2070US4698469ASulfur hexafluoride circuit breaker operating in a very low temperature environmentALSTHOM·Filed 1986·Granted Oct 6, 1987·17 cites·30 claims
- 2167US4840539AMoving blading for steam turbinesALSTHOM·Filed 1988·Granted Jun 20, 1989·39 cites·12 claims
- 2266US4910793ATwo-way transmission system for ground/mobile station communicationsALSTHOM·Filed 1987·Granted Mar 20, 1990·33 cites·9 claims
- 2366US4841788AEnergy storage device with zero latching forceALSTHOM·Filed 1988·Granted Jun 27, 1989·22 cites·8 claims
- 2465US4700257ASuperconductive AC current limiterALSTHOM·Filed 1986·Granted Oct 13, 1987·25 cites·1 claims
- 2563US4839237AMethod of laying a cobalt-chromium-tungsten protective coating on a blade made of a tungsten alloy including vanadium, and a blade coated therebyALSTHOM·Filed 1987·Granted Jun 13, 1989·24 cites·7 claims
- 2662US4842225ADevice for operating a railroad switchALSTHOM·Filed 1988·Granted Jun 27, 1989·23 cites·12 claims
- 2761US4776635AModular seat for railway carsALSTHOM·Filed 1987·Granted Oct 11, 1988·24 cites·7 claims
- 2858US4609798AMeans for assembling two enclosures of an electrical cutout apparatusALSTHOM·Filed 1985·Granted Sep 2, 1986·12 cites·5 claims
- 2956US4943772AHall effect position sensor for a railway vehicle axleALSTHOM·Filed 1989·Granted Jul 24, 1990·18 cites·5 claims
- 3054US4694914ADrilling string for drilling a bent bore, a method of using said string, and a bending device used in said stringALSTHOM·Filed 1986·Granted Sep 22, 1987·26 cites·4 claims
- 3154US4650942ACompressed gas high tension circuit breaker, requiring low operating energyALSTHOM·Filed 1986·Granted Mar 17, 1987·9 cites·5 claims
- 3251US4754109ACompressed dielectric gas high-tension circuit breakerALSTHOM·Filed 1987·Granted Jun 28, 1988·8 cites·3 claims
- 3349US4649243ADouble-acting, compressed gas, high tension circuit breaker with actuating energy assisted by the thermal effect of the arcALSTHOM·Filed 1986·Granted Mar 10, 1987·8 cites·4 claims
- 3448US4612428ACompressed gas circuit breaker able to be assembled and disassembled without a significant loss of gasALSTHOM·Filed 1985·Granted Sep 16, 1986·8 cites·3 claims
- 3547US4775772AHinged core device for running inductive heatingALSTHOM·Filed 1987·Granted Oct 4, 1988·8 cites·9 claims
- 3647US4698468ASulphur hexafluoride circuit breaker usable at very low outside temperaturesALSTHOM·Filed 1987·Granted Oct 6, 1987·7 cites·7 claims
- 3747US4694533AHinge and sectional panels on a frame enabling assembly and disassembly thereofALSTHOM·Filed 1986·Granted Sep 22, 1987·23 cites·1 claims
- 3847US4658637ACell for analyzing a fluid which is condensable, at least in partALSTHOM·Filed 1985·Granted Apr 21, 1987·14 cites·5 claims
- 3946US4774387ADielectric gas high-tension circuit-breaker having a closure resistanceALSTHOM·Filed 1987·Granted Sep 27, 1988·7 cites·4 claims
- 4044US5031311AMethod for extracting packets of blades from a steam turbineALSTHOM·Filed 1989·Granted Jul 16, 1991·13 cites·2 claims
- 4144US4817757AWall covering for absorbing sound waves in a liquid mediumALSTHOM·Filed 1988·Granted Apr 4, 1989·13 cites·6 claims
- 4244US4580762AClosure device for a liquid-carrying pipeALSTHOM·Filed 1985·Granted Apr 8, 1986·17 cites·5 claims
- 4343US4854777AMechanical connectorALSTHOM·Filed 1988·Granted Aug 8, 1989·16 cites·8 claims
- 4442US4745313AStator having three-phase superconducting windingsALSTHOM·Filed 1987·Granted May 17, 1988·12 cites·12 claims
- 4542US4679824AFluid-tight coupling for two sections of a fluid lineALSTHOM·Filed 1986·Granted Jul 14, 1987·15 cites·3 claims
- 4639US4637480AAzimuth measuring method for non-vertical drillingALSTHOM·Filed 1985·Granted Jan 20, 1987·18 cites·10 claims
- 4738US5057797ASystem for transmitting broadband data and/or instructions between an element moving in one plane and a control stationALSTHOM·Filed 1989·Granted Oct 15, 1991·8 cites·4 claims
- 4838US4766934AClosure head for a hydraulic tube-testing benchALSTHOM·Filed 1987·Granted Aug 30, 1988·8 cites·4 claims
- 4938US4718237AThermal induction machineALSTHOM·Filed 1986·Granted Jan 12, 1988·12 cites·6 claims
- 5036US4653277AConnection between a steam turbine and a condenserALSTHOM·Filed 1986·Granted Mar 31, 1987·12 cites·3 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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