Assignee
LG IND SYSTEMS CO LTD
KR·150 granted patents·6 pending applications·3,434 citations·filing 1993–2004
Top patents by PatentIndex Score
156 records- 0194US7079363B2Hybrid DC electromagnetic contactorLG IND SYSTEMS CO LTD·Filed 2003·Granted Jul 18, 2006·62 cites·17 claims
- 0294USD455714SInverter for an electric motorLG IND SYSTEMS CO LTD·Filed 2001·Granted Apr 16, 2002·63 cites·1 claims
- 0393US6023265ATouched state recognition apparatus for matrix type touch panel and a control method thereofLG IND SYSTEMS CO LTD·Filed 1997·Granted Feb 8, 2000·104 cites·5 claims
- 0491US6315081B1Apparatus and method for controlling operation of elevator in power failureLG IND SYSTEMS CO LTD·Filed 1999·Granted Nov 13, 2001·129 cites·8 claims
- 0590US5997423AApparatus for controlling chain tensionLG IND SYSTEMS CO LTD·Filed 1997·Granted Dec 7, 1999·54 cites·8 claims
- 0689USD498464SCircuit breaker for protecting motorLG IND SYSTEMS CO LTD·Filed 2003·Granted Nov 16, 2004·44 cites·1 claims
- 0787US6650245B2Multi-functional hybrid contactorLG IND SYSTEMS CO LTD·Filed 2002·Granted Nov 18, 2003·35 cites·13 claims
- 0887US6228266B1Water treatment apparatus using plasma reactor and method thereofLG IND SYSTEMS CO LTD·Filed 1998·Granted May 8, 2001·101 cites·19 claims
- 0987US5694219ADevice recognizing method and apparatus for surface mounting device mounterLG IND SYSTEMS CO LTD·Filed 1996·Granted Dec 2, 1997·74 cites·9 claims
- 1086USD527349SPower module for programmable logic controllerLG IND SYSTEMS CO LTD·Filed 2004·Granted Aug 29, 2006·33 cites·1 claims
- 1186USD457492SInverter for an electric motorLG IND SYSTEMS CO LTD·Filed 2001·Granted May 21, 2002·35 cites·1 claims
- 1285USD511502SBreaker for electric railroad lineLG IND SYSTEMS CO LTD·Filed 2003·Granted Nov 15, 2005·41 cites·1 claims
- 1385US6472627B1Vacuum circuit breakerLG IND SYSTEMS CO LTD·Filed 2000·Granted Oct 29, 2002·46 cites·20 claims
- 1484USD506185SCircuit breaker for protecting motorLG IND SYSTEMS CO LTD·Filed 2003·Granted Jun 14, 2005·33 cites·1 claims
- 1584US6884949B2Main switch conveying apparatus for vacuum circuit breakerLG IND SYSTEMS CO LTD·Filed 2004·Granted Apr 26, 2005·43 cites·9 claims
- 1684US6264005B1Method for controlling rescue operation of elevator car during power failureLG IND SYSTEMS CO LTD·Filed 1999·Granted Jul 24, 2001·78 cites·5 claims
- 1783US5518087ARail brake apparatus for a linear motor elevatorLG IND SYSTEMS CO LTD·Filed 1994·Granted May 21, 1996·41 cites·4 claims
- 1882USD380952SCordless drillLG IND SYSTEMS CO LTD·Filed 1995·Granted Jul 15, 1997·48 cites·1 claims
- 1981US6163002AVacuum circuit interrupter with contact structure including support pinsLG IND SYSTEMS CO LTD·Filed 1999·Granted Dec 19, 2000·50 cites·13 claims
- 2080USD499701SBreaker for electric railroad lineLG IND SYSTEMS CO LTD·Filed 2003·Granted Dec 14, 2004·30 cites·1 claims
- 2179US6506992B2Vacuum interrupter for vacuum breakerLG IND SYSTEMS CO LTD·Filed 2001·Granted Jan 14, 2003·24 cites·6 claims
- 2279US6362444B1Gas insulating switchgearLG IND SYSTEMS CO LTD·Filed 2000·Granted Mar 26, 2002·23 cites·1 claims
- 2377US5967226ASlush machineLG IND SYSTEMS CO LTD·Filed 1997·Granted Oct 19, 1999·57 cites·4 claims
- 2477US5945644AApparatus and method for controlling emergency operation in elevator systemLG IND SYSTEMS CO LTD·Filed 1997·Granted Aug 31, 1999·33 cites·15 claims
- 2576US6787725B2Switching mechanism of circuit breaker for gas insulted switchgearLG IND SYSTEMS CO LTD·Filed 2003·Granted Sep 7, 2004·26 cites·10 claims
- 2676USD485829SCommunications moduleLG IND SYSTEMS CO LTD·Filed 2002·Granted Jan 27, 2004·21 cites·1 claims
- 2776US6577096B2Sensorless vector control system of induction motor and method thereofLG IND SYSTEMS CO LTD·Filed 2001·Granted Jun 10, 2003·41 cites·22 claims
- 2876USD458906SInverter operator for an electric motorLG IND SYSTEMS CO LTD·Filed 2001·Granted Jun 18, 2002·22 cites·1 claims
- 2976US6283252B1Leveling control device for elevator systemLG IND SYSTEMS CO LTD·Filed 1999·Granted Sep 4, 2001·48 cites·8 claims
- 3076US6085124AAutomatic parking systemLG IND SYSTEMS CO LTD·Filed 1998·Granted Jul 4, 2000·72 cites·9 claims
- 3175USD479452SHand grinderLG IND SYSTEMS CO LTD·Filed 2002·Granted Sep 9, 2003·32 cites·1 claims
- 3275US6003637AElevator control systemLG IND SYSTEMS CO LTD·Filed 1998·Granted Dec 21, 1999·38 cites·32 claims
- 3375US5929410ATerminal structure for vacuum circuit breakerLG IND SYSTEMS CO LTD·Filed 1998·Granted Jul 27, 1999·39 cites·10 claims
- 3474US6199678B1Hand rail driving apparatus for escalatorLG IND SYSTEMS CO LTD·Filed 1998·Granted Mar 13, 2001·35 cites·10 claims
- 3573USD494132SInverterLG IND SYSTEMS CO LTD·Filed 2003·Granted Aug 10, 2004·24 cites·1 claims
- 3673USD459313SInverter operator for an electric motorLG IND SYSTEMS CO LTD·Filed 2001·Granted Jun 25, 2002·19 cites·1 claims
- 3773US6009003ACurrent/voltage control apparatus for elevator systemLG IND SYSTEMS CO LTD·Filed 1998·Granted Dec 28, 1999·59 cites·15 claims
- 3871US6340073B1Elevator door systemLG IND SYSTEMS CO LTD·Filed 1999·Granted Jan 22, 2002·31 cites·5 claims
- 3970US7345858B2Resistive superconducting fault current limiterLG IND SYSTEMS CO LTD·Filed 2004·Granted Mar 18, 2008·16 cites·10 claims
- 4070US6759617B2Vacuum circuit breakerLG IND SYSTEMS CO LTD·Filed 2001·Granted Jul 6, 2004·21 cites·5 claims
- 4170US5936211AElevator control systemLG IND SYSTEMS CO LTD·Filed 1997·Granted Aug 10, 1999·31 cites·15 claims
- 4269US7002088B2Handle apparatus for a manual motorLG IND SYSTEMS CO LTD·Filed 2004·Granted Feb 21, 2006·19 cites·5 claims
- 4369US6642690B2Method for measuring phase current for inverter control apparatus using single current sensor and apparatus thereforLG IND SYSTEMS CO LTD·Filed 2002·Granted Nov 4, 2003·20 cites·4 claims
- 4468US7233465B2Ground fault detection system and method for inverterLG IND SYSTEMS CO LTD·Filed 2004·Granted Jun 19, 2007·30 cites·18 claims
- 4568US6202796B1Elevator position controlling apparatus and methodLG IND SYSTEMS CO LTD·Filed 1999·Granted Mar 20, 2001·26 cites·7 claims
- 4668US6000504AGroup management control method for elevatorLG IND SYSTEMS CO LTD·Filed 1997·Granted Dec 14, 1999·30 cites·20 claims
- 4768US5675221AApparatus and method for transmitting foward/receiving dimming control signal and up/down encoding manner using a common user power lineLG IND SYSTEMS CO LTD·Filed 1995·Granted Oct 7, 1997·37 cites·10 claims
- 4867US6734768B2Remote controller of circuit breakerLG IND SYSTEMS CO LTD·Filed 2002·Granted May 11, 2004·21 cites·19 claims
- 4967US6528966B2Sensorless vector control apparatus and method thereofLG IND SYSTEMS CO LTD·Filed 2001·Granted Mar 4, 2003·15 cites·16 claims
- 5067US6050370AGuide roller apparatus for elevator systemLG IND SYSTEMS CO LTD·Filed 1997·Granted Apr 18, 2000·31 cites·4 claims
Showing the top 50 of 156 patent records by PatentIndex Score.
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