Assignee
KONE ELEVATOR GMBH
CH·70 granted patents·1,506 citations·filing 1984–1994
Top patents by PatentIndex Score
70 records- 0196US5027925AProcedure and apparatus for damping the vibrations of an elevator carKONE ELEVATOR GMBH·Filed 1989·Granted Jul 2, 1991·78 cites·12 claims
- 0294US5096020AElevator safety apparatusKONE ELEVATOR GMBH·Filed 1990·Granted Mar 17, 1992·84 cites·9 claims
- 0390US4844204AProcedure for modernizing the control system of a liftKONE ELEVATOR GMBH·Filed 1984·Granted Jul 4, 1989·45 cites·9 claims
- 0486US5076398ARope suspension system for an elevatorKONE ELEVATOR GMBH·Filed 1990·Granted Dec 31, 1991·43 cites·7 claims
- 0584US4895223AMethod for sub-zoning an elevator groupKONE ELEVATOR GMBH·Filed 1988·Granted Jan 23, 1990·40 cites·7 claims
- 0684US4838385AMethod for coordinating elevator group trafficKONE ELEVATOR GMBH·Filed 1987·Granted Jun 13, 1989·39 cites·7 claims
- 0783US5229558AControl of an elevator hoisting motor during under voltage conditions in the main power sourceKONE ELEVATOR GMBH·Filed 1990·Granted Jul 20, 1993·37 cites·10 claims
- 0882US4756388AElevator with traction sheaveKONE ELEVATOR GMBH·Filed 1987·Granted Jul 12, 1988·37 cites·5 claims
- 0980US5042621AMethod and apparatus for the measurement and tuning of an elevator systemKONE ELEVATOR GMBH·Filed 1989·Granted Aug 27, 1991·30 cites·14 claims
- 1079US5370205ATraction sheave elevatorKONE ELEVATOR GMBH·Filed 1993·Granted Dec 6, 1994·41 cites·8 claims
- 1179US4750590ACounteracting elevator car oscillationKONE ELEVATOR GMBH·Filed 1986·Granted Jun 14, 1988·32 cites·8 claims
- 1278US4894765ABi-directional d.c./d.c. converter compatible with an inverter bridgeKONE ELEVATOR GMBH·Filed 1989·Granted Jan 16, 1990·33 cites·28 claims
- 1376US5370208ADouble-sided safety gearKONE ELEVATOR GMBH·Filed 1994·Granted Dec 6, 1994·28 cites·16 claims
- 1476US4753323ASafety system for closing doorsKONE ELEVATOR GMBH·Filed 1987·Granted Jun 28, 1988·23 cites·4 claims
- 1575US5502818AProcedure for the determination of message identification in the data transmission network of an elevator systemKONE ELEVATOR GMBH·Filed 1994·Granted Mar 26, 1996·96 cites·5 claims
- 1675US5159995ASafety gear for an elevatorKONE ELEVATOR GMBH·Filed 1990·Granted Nov 3, 1992·30 cites·3 claims
- 1775US5014823AApparatus for improving the performance of a motor-controlled hydraulic elevatorKONE ELEVATOR GMBH·Filed 1989·Granted May 14, 1991·18 cites·4 claims
- 1874US5518086AProcedure and apparatus for the control of elevator doorsKONE ELEVATOR GMBH·Filed 1994·Granted May 21, 1996·36 cites·15 claims
- 1974US5454449AWall structure for an elevator, and an elevator carKONE ELEVATOR GMBH·Filed 1993·Granted Oct 3, 1995·28 cites·16 claims
- 2071US5361873ARope suspension arrangementKONE ELEVATOR GMBH·Filed 1993·Granted Nov 8, 1994·26 cites·12 claims
- 2170US5214947AProcedure and apparatus for checking the straightness of elevator guide rails and straightening deflectionsKONE ELEVATOR GMBH·Filed 1991·Granted Jun 1, 1993·27 cites·13 claims
- 2270US4936136AMethod for checking the friction between the traction sheeve and the suspension ropes of an elevatorKONE ELEVATOR GMBH·Filed 1989·Granted Jun 26, 1990·26 cites·6 claims
- 2369US5435416ADetermination of the number of persons entering and leaving an elevator carKONE ELEVATOR GMBH·Filed 1994·Granted Jul 25, 1995·24 cites·19 claims
- 2468US5157574AOvervoltage protector for rectifier/inverter bridgesKONE ELEVATOR GMBH·Filed 1991·Granted Oct 20, 1992·31 cites·16 claims
- 2567US5373916AClosure member for an elevator shaftKONE ELEVATOR GMBH·Filed 1993·Granted Dec 20, 1994·26 cites·8 claims
- 2664US4870663AMethod for selecting the mode of operation of an object counting meansKONE ELEVATOR GMBH·Filed 1988·Granted Sep 26, 1989·26 cites·8 claims
- 2761US5194797AProcedure for the regulation of an asynchronous motorKONE ELEVATOR GMBH·Filed 1991·Granted Mar 16, 1993·21 cites·10 claims
- 2860US5036954AElevatorKONE ELEVATOR GMBH·Filed 1989·Granted Aug 6, 1991·23 cites·15 claims
- 2960US5010981AElevator machineKONE ELEVATOR GMBH·Filed 1989·Granted Apr 30, 1991·17 cites·5 claims
- 3059US5140514ARegulation of d.c. voltage of a pulse-width modulated rectifier using spatial vectors in a stationary coodinate systemKONE ELEVATOR GMBH·Filed 1991·Granted Aug 18, 1992·27 cites·11 claims
- 3158US4819765AArrester device for elevatorsKONE ELEVATOR GMBH·Filed 1987·Granted Apr 11, 1989·18 cites·4 claims
- 3257US5411117ASafety device arrangementKONE ELEVATOR GMBH·Filed 1993·Granted May 2, 1995·24 cites·19 claims
- 3356US5421432AMethod and apparatus for controlling and automatically correcting the command for deceleration/stoppage of the cage of a lift or a hoist in accordance with variations in the operating data of the systemKONE ELEVATOR GMBH·Filed 1993·Granted Jun 6, 1995·24 cites·8 claims
- 3455US5163172AProcedure and apparatus for the measurement of the currents in a frequency converterKONE ELEVATOR GMBH·Filed 1989·Granted Nov 10, 1992·15 cites·16 claims
- 3554US5278484AProcedure and apparatus for braking a squirrel-cage elevator motor fed by a frequency converter in fault situationsKONE ELEVATOR GMBH·Filed 1991·Granted Jan 11, 1994·16 cites·7 claims
- 3654US4700810AMethod of controlling an elevatorKONE ELEVATOR GMBH·Filed 1986·Granted Oct 20, 1987·14 cites·4 claims
- 3753US5038244ADevice for overvoltage protection of a rectifier bridge feeding a d.c. motor and for control of the d.c. motor during emergency brakingKONE ELEVATOR GMBH·Filed 1990·Granted Aug 6, 1991·23 cites·13 claims
- 3852US5239142ASelection of an elevator for service based on passenger location and elevator travel timeKONE ELEVATOR GMBH·Filed 1991·Granted Aug 24, 1993·16 cites·19 claims
- 3952US5073706AProcedure and apparatus for detecting objects moving at varying speeds within a certain areaKONE ELEVATOR GMBH·Filed 1988·Granted Dec 17, 1991·14 cites·7 claims
- 4051US4774650AMethod for directing power between three-phase mains and a d.c. circuitKONE ELEVATOR GMBH·Filed 1987·Granted Sep 27, 1988·14 cites·2 claims
- 4150US4865157AMounting for an elevator car in a car slingKONE ELEVATOR GMBH·Filed 1987·Granted Sep 12, 1989·13 cites·5 claims
- 4249US4805741AElevator brakeKONE ELEVATOR GMBH·Filed 1987·Granted Feb 21, 1989·13 cites·4 claims
- 4348USD328876SSignalling panel for elevatorsKONE ELEVATOR GMBH·Filed 1990·Granted Aug 25, 1992·6 cites·1 claims
- 4448US5107962AVertical transport system in a buildingKONE ELEVATOR GMBH·Filed 1990·Granted Apr 28, 1992·14 cites·19 claims
- 4547US4940117AProcedure for the tuning of the position controller of an elevatorKONE ELEVATOR GMBH·Filed 1989·Granted Jul 10, 1990·11 cites·10 claims
- 4646US5251726AToe guard for an elevatorKONE ELEVATOR GMBH·Filed 1992·Granted Oct 12, 1993·11 cites·6 claims
- 4745US5119908AProcedure for mounting the guide rails for an elevator car or counterweight, and a mounting system implementing the procedureKONE ELEVATOR GMBH·Filed 1990·Granted Jun 9, 1992·13 cites·34 claims
- 4844US5351788ARope arrangement for an elevator carKONE ELEVATOR GMBH·Filed 1993·Granted Oct 4, 1994·14 cites·6 claims
- 4943US5503249AProcedure for controlling an elevator groupKONE ELEVATOR GMBH·Filed 1994·Granted Apr 2, 1996·15 cites·24 claims
- 5043US4908563AMethod and device for braking a squirrel-cage motorKONE ELEVATOR GMBH·Filed 1988·Granted Mar 13, 1990·9 cites·2 claims
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