name:-1.4458961486816
name:-0.91935110092163
name:-0.28864002227783
LSIS CO., LTD. Patent Filings

LSIS CO., LTD.

Patent Applications and Registrations

Patent applications and USPTO patent grants for LSIS CO., LTD..The latest application filed is for "inverter control device and method".

Company Profile
200.200.200
  • LSIS CO., LTD. - Anyang-si N/A KR
  • LSIS CO., LTD. - Anyang-si, Gyeonggi-do KR
  • LSIS CO., LTD. - Gyeonggi-Do KR
  • LSIS CO., LTD - Anyang-si Gyeonggi-Do KR
  • LSIS CO., LTD. - Anyang-di Gyeonggi-Do KR
  • LSIS CO., LTD. - Anyang-so KR
  • LSIS CO., LTD. - Anyangsi, Gyeonggi-go KR
  • LSIS CO., LTD - Gyeonggi-do CN
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks
Patent Activity
PatentDate
DC relay having auxiliary contact
Grant 11,417,485 - Yoo August 16, 2
2022-08-16
Current sensing device
Grant 11,385,265 - Ham , et al. July 12, 2
2022-07-12
High voltage electric switchboard
Grant 11,349,282 - Park May 31, 2
2022-05-31
Inverter Control Device And Method
App 20220158569 - CHOI; Seung Cheol ;   et al.
2022-05-19
Molded case circuit breaker
Grant 11,309,155 - Song April 19, 2
2022-04-19
Earth leakage circuit breaker capable of outputting type of leakage current and method of controlling the same
Grant 11,293,994 - Nam , et al. April 5, 2
2022-04-05
Inverter
Grant 11,296,639 - Kim April 5, 2
2022-04-05
Energy storage system
Grant 11,277,008 - Lee , et al. March 15, 2
2022-03-15
Heatsink module for inverter
Grant 11,234,348 - Kim January 25, 2
2022-01-25
Uninterruptible power supply system comprising energy storage system
Grant 11,223,229 - Lee , et al. January 11, 2
2022-01-11
MICROGRID system
Grant 11,211,797 - Lee December 28, 2
2021-12-28
Power conversion device utilizing a relay unit with multiple relays
Grant 11,205,951 - Jang December 21, 2
2021-12-21
Energy storage system
Grant 11,205,902 - Lim , et al. December 21, 2
2021-12-21
Circuit breaker
Grant 11,189,994 - Lee November 30, 2
2021-11-30
Epoxy resin composition and transformer comprising the same
Grant 11,186,675 - Kim , et al. November 30, 2
2021-11-30
DC circuit breaker having arc blowout device
Grant 11,177,098 - Park , et al. November 16, 2
2021-11-16
Hybrid energy storage system
Grant 11,139,675 - Lee , et al. October 5, 2
2021-10-05
Directional over-current ground relay (DOCGR) using sampled value and method for operating the DOCGR
Grant 11,128,128 - Jang September 21, 2
2021-09-21
Communication data modeling method
Grant 11,102,088 - Park , et al. August 24, 2
2021-08-24
Energy storage system
Grant 11,075,521 - Lee July 27, 2
2021-07-27
Coil control device of electronic magnetic contactor
Grant 11,056,302 - Cho July 6, 2
2021-07-06
Inverse current injection-type direct current blocking device and method using vacuum gap switch
Grant 11,049,677 - Lee , et al. June 29, 2
2021-06-29
Uninterruptible Power Supply System Comprising Energy Storage System
App 20210194275 - LEE; Ji-Heon ;   et al.
2021-06-24
Inverter system
Grant 11,038,436 - Ahn , et al. June 15, 2
2021-06-15
Hierarchical power control system
Grant 11,025,091 - Shim , et al. June 1, 2
2021-06-01
Method of changing a switching module using pressure-applying device
Grant 11,026,341 - Jung June 1, 2
2021-06-01
Power Conversion Device
App 20210152079 - JANG; Jae-Hoon
2021-05-20
Inverter and method of controlling the same
Grant 11,013,153 - Hwang May 18, 2
2021-05-18
Electronic device with component-protecting structure
Grant 10,990,135 - Joo April 27, 2
2021-04-27
Gateway data logger
Grant D916,701 - Shin April 20, 2
2021-04-20
Arc Extinguishing Chamber Base Of Molded Case Circuit Breaker
App 20210110987 - KANG; Taeyun ;   et al.
2021-04-15
Hybrid Energy Storage System
App 20210111581 - LEE; Ji-Heon ;   et al.
2021-04-15
Relay-welding detection device and detection method
Grant 10,948,524 - Kim March 16, 2
2021-03-16
Coil spacer structure for molding transformer
Grant 10,943,728 - Park March 9, 2
2021-03-09
Heat exhaust and dustproof system of multi-stage distributing board
Grant 10,923,890 - Lim February 16, 2
2021-02-16
Control program execution method
Grant 10,915,611 - Roh , et al. February 9, 2
2021-02-09
Overcurrent relay tester
Grant D909,218 - Choi February 2, 2
2021-02-02
Apparatus for editing graphic objects
Grant 10,901,575 - Yun , et al. January 26, 2
2021-01-26
Contactor assembly for distribution board
Grant 10,892,127 - Seo January 12, 2
2021-01-12
Power semiconductor module
Grant 10,892,226 - Jung January 12, 2
2021-01-12
Apparatus for controlling electric vehicle charging system
Grant 10,889,190 - Koh , et al. January 12, 2
2021-01-12
Method for recovering EEPROM of slave device by PLC communication module
Grant 10,877,837 - Kim December 29, 2
2020-12-29
Molded case circuit breaker
Grant D904,987 - Choi December 15, 2
2020-12-15
Input-and-output device for networks
Grant D904,317 - Choi December 8, 2
2020-12-08
Device for detecting phase loss of output in inverter
Grant 10,852,325 - Xu , et al. December 1, 2
2020-12-01
Display device capable of performing self diagnosis in relation to partial discharge
Grant 10,853,156 - Kim December 1, 2
2020-12-01
Apparatus and method for controlling current
Grant 10,847,334 - Cho November 24, 2
2020-11-24
Energy Storage System
App 20200366101 - LIM; Ui-Jai ;   et al.
2020-11-19
Arc extinguishing unit of molded case circuit breaker
Grant 10,840,047 - Oh , et al. November 17, 2
2020-11-17
Device for processing programmable logic controller program
Grant 10,824,128 - Park November 3, 2
2020-11-03
Submodule that is capable of connecting capacitor and power pack easily
Grant 10,819,114 - Jung October 27, 2
2020-10-27
Diagnosing device of three phase inverter
Grant 10,816,601 - Yang , et al. October 27, 2
2020-10-27
High speed switch
Grant 10,818,454 - Park , et al. October 27, 2
2020-10-27
Power supply device for protective relay
Grant 10,819,329 - Lee October 27, 2
2020-10-27
Switching mechanism of circuit breaker
Grant 10,811,209 - Lim , et al. October 20, 2
2020-10-20
Arc extinguishing unit of molded case circuit breaker
Grant 10,811,207 - Lim , et al. October 20, 2
2020-10-20
Device for driving motor
Grant 10,804,662 - Kim , et al. October 13, 2
2020-10-13
Inverter device to achieve improved heat dissipation efficiency
Grant 10,798,853 - Kwon October 6, 2
2020-10-06
Electric power converter
Grant D897,942 - Choi October 6, 2
2020-10-06
Arc Extinguishing Unit Of Molded Case Circuit Breaker
App 20200312599 - OH; Kihwan ;   et al.
2020-10-01
Method of assembling a switching module
Grant 10,790,644 - Jung September 29, 2
2020-09-29
Relay device
Grant 10,790,106 - Lee September 29, 2
2020-09-29
UART-based communication-speed automatic-switching method
Grant 10,785,063 - Kim Sept
2020-09-22
Coil Control Device Of Electronic Magnetic Contactor
App 20200294744 - CHO; Hyungeun
2020-09-17
Arc Ventilation System Of Distributing Board
App 20200295543 - KIM; Jongdoo ;   et al.
2020-09-17
Memory Management Apparatus And Method Of Inverter
App 20200285576 - JEON; Mi Young
2020-09-10
Reinforced Insulation Transformer And Design Method Thereof
App 20200286679 - LIM; Deok Young ;   et al.
2020-09-10
Switchgear
App 20200287362 - JO; Jun Yeon
2020-09-10
Molded case circuit breaker
Grant 10,770,248 - Oh , et al. Sep
2020-09-08
Energy Storage System
App 20200280191 - LEE; Ji-Heon
2020-09-03
Exterior Operation Device Of Molded Case Circuit Breaker
App 20200273652 - SEO; Insu
2020-08-27
Apparatus for editing objects
Grant 10,754,522 - Bae , et al. A
2020-08-25
Small Circuit Breaker
App 20200266014 - LEE; Kwangwon ;   et al.
2020-08-20
Switch assembly of reactive power compensation apparatus
Grant 10,749,018 - Jung A
2020-08-18
Earth leakage circuit breaker
Grant 10,742,018 - Yoon , et al. A
2020-08-11
Device for protecting inverter using a buffer operating according to a state of a safety relay
Grant 10,742,138 - Yang A
2020-08-11
Switch assembly of reactive power compensation apparatus
Grant 10,727,652 - Jung
2020-07-28
Heatsink Module For Inverter
App 20200232711 - KIM; Kyu-Hwa
2020-07-23
Inverter System
App 20200228028A1 -
2020-07-16
Device for driving motor
Grant 10,716,237 - Kim , et al.
2020-07-14
Earth Leakage Circuit Breaker Capable Of Outputting Type Of Leakage Current And Method Of Controlling The Same
App 20200217883 - NAM; Sunggyu ;   et al.
2020-07-09
Hierarchical Power Control System
App 20200220380 - SHIM; Jae-Seong ;   et al.
2020-07-09
Protective glass for solar cell module and manufacturing method for the same
Grant 10,707,365 - Lee
2020-07-07
Method of detecting electrical disturbance by DC component
Grant 10,707,671 - Kim
2020-07-07
Retracting And Extending Apparatus For Circuit Breaker With Interlock Module
App 20200212658 - YANG; Hong-Ik
2020-07-02
Heat Exhaust And Dustproof System Of Multi-stage Distributing Board
App 20200212657 - LIM; Changsoo
2020-07-02
Circuit Breaker
App 20200212659 - LEE; Moonsub
2020-07-02
Hierarchical type power control system
Grant 10,700,521 - Shim , et al.
2020-06-30
Device and method for changing setting value of electric power equipment
Grant 10,698,468 - Kim
2020-06-30
Method for setting link speed of dual port switch
Grant 10,700,937 - Yoon , et al.
2020-06-30
Communication Data Modeling Method
App 20200195529 - PARK; Hun ;   et al.
2020-06-18
Molded Case Circuit Breaker
App 20200185177 - KIM; Sunkook
2020-06-11
Microgrid System
App 20200185921 - LEE; Yil-Hwa
2020-06-11
Interface conversion device of programmable logic controller (PLC) system and PLC system thereof
Grant 10,678,729 - Kwon
2020-06-09
Circuit breaker with instant trip mechanism
Grant 10,672,579 - Woo , et al.
2020-06-02
Energy Storage System
App 20200169089 - LEE; Ji-Heon ;   et al.
2020-05-28
Method For Recovering Eeprom Of Slave Device By Plc Communication Module
App 20200167228 - KIM; Hyung-Lae
2020-05-28
Coupling mechanism for coupling electronic device
Grant 10,667,415 - Joo
2020-05-26
Contactor Assembly For Distribution Board
App 20200161070 - SEO; Jae-Kwan
2020-05-21
Device for determining peak current in inverter
Grant 10,658,946 - Lee , et al.
2020-05-19
Initial charging system for medium-voltage inverter and method for controlling the system
Grant 10,658,938 - Park
2020-05-19
Data access apparatus using memory device wherein 24-bit data is divided into three segments that has predetermined addresses mapped to addresses of single 8-bit device
Grant 10,656,856 - Park
2020-05-19
Method of controlling inverters
Grant 10,659,536 - Cheong , et al.
2020-05-19
Sensorless control system for permanent magnet synchronous machine
Grant 10,658,955 - Lee
2020-05-19
Apparatus for controlling solar light voltage
Grant 10,651,729 - Kim
2020-05-12
Optimal operation and scheduling based on microgrid demand states
Grant 10,637,288 - Shim , et al.
2020-04-28
Device for eliminating slope in output voltage of switcher power converter in PLC module
Grant 10,635,123 - Kim
2020-04-28
Client and server in supervisory control and data acquisition system
Grant 10,627,792 - Lee , et al.
2020-04-21
Device for controlling inverter
Grant 10,630,212 - Kim
2020-04-21
Current Sensing Device
App 20200116762 - HAM; Seungjin ;   et al.
2020-04-16
Method for controlling inverter
Grant 10,622,885 - Bae , et al.
2020-04-14
Arc ventilation system of multi stage distributing board
Grant 10,622,790 - Kim
2020-04-14
Dc Circuit Breaker Having Arc Blowout Device
App 20200111629 - PARK; Ji-Hong ;   et al.
2020-04-09
3 phase undervoltage trip device and molded case circuit breaker therewith
Grant 10,614,985 - Park
2020-04-07
Method for controlling inverter
Grant 10,615,683 - Yang , et al.
2020-04-07
Inverter controlling device maximizing output voltage of inverter in overmodulation period
Grant 10,615,718 - Cho
2020-04-07
Interlock apparatus for three circuit breakers
Grant 10,614,973 - Seo
2020-04-07
Pole component assembly for circuit breaker
Grant 10,614,981 - Lee , et al.
2020-04-07
Switchgear having earth switch
Grant 10,614,970 - Lee , et al.
2020-04-07
Apparatus for controlling inverter
Grant 10,613,920 - Jeon
2020-04-07
Apparatus for managing local monitoring data
Grant 10,606,836 - Choi
2020-03-31
High Voltage Electric Switchboard
App 20200099201 - PARK; Yongjun
2020-03-26
Control Program Execution Method
App 20200089846 - ROH; Hee-Tae ;   et al.
2020-03-19
Solar Photovoltaic Module
App 20200091860 - KANG; Boram ;   et al.
2020-03-19
Power monitoring system and method for monitoring power thereof
Grant 10,591,521 - Shon
2020-03-17
Apparatus for detecting fault of power relay of inverter
Grant 10,594,129 - Son
2020-03-17
Molded Case Circuit Breaker
App 20200075283 - SONG; Suyang
2020-03-05
High Speed Switch
App 20200075274 - PARK; Hae-Yong ;   et al.
2020-03-05
Apparatus for program management of programmable logic controller
Grant 10,579,036 - Lee
2020-03-03
Device of monitoring reactive power compensation system, and method thereof
Grant 10,571,496 - Choi Feb
2020-02-25
Diagnostic system for electric power equipment
Grant 10,571,504 - Lee Feb
2020-02-25
Method for controlling motor driving by PLC
Grant 10,571,885 - Kim Feb
2020-02-25
Isolation mechanism of controller for circuit breaker
Grant 10,566,716 - Kim Feb
2020-02-18
Energy management server, energy management system and the method for operating the same
Grant 10,567,501 - Lee , et al. Feb
2020-02-18
Central processing unit module for processing railway signal
Grant 10,562,554 - Cho , et al. Feb
2020-02-18
Device and method for controlling inverter based on predetermined time durations and magnitude of the DC link voltage
Grant 10,566,911 - Lim , et al. Feb
2020-02-18
Switch assembly of reactive power compensation apparatus
Grant 10,560,091 - Jung Feb
2020-02-11
Control circuit for electric leakage circuit breaker
Grant 10,559,434 - Seon Feb
2020-02-11
Apparatus for controlling multiple inverters and inverter system including the same
Grant 10547254 -
2020-01-28
Arc Extinguishing Unit Of Molded Case Circuit Breaker
App 20200027677 - LIM; Jeongjae ;   et al.
2020-01-23
Switching Mechanism Of Circuit Breaker
App 20200020499 - LIM; Jeongjae ;   et al.
2020-01-16
Control device for static var compensator and control method thereof
Grant 10530158 -
2020-01-07
Switchgear
Grant 10530134 -
2020-01-07
Interlock device of ring main unit
Grant 10526826 -
2020-01-07
Power monitoring system and method for monitoring power thereof
Grant 10527658 -
2020-01-07
Position control device based on programmable logic controller
Grant 10528022 -
2020-01-07
SCADA system capable of efficiently configuring windows in a screen area
Grant 10528369 -
2020-01-07
Inverter Device
App 20200008324 - KWON; Hyuk-Il
2020-01-02
Magnetic trip device for circuit breaker
Grant 10522314 -
2019-12-31
Method of controlling encoder principle axis speed synchronization
Grant 10509385 -
2019-12-17
Reactive power compensator, discharging system, and operating method of the discharging system
Grant 10511170 -
2019-12-17
Apparatus for detecting current
Grant 10509059 -
2019-12-17
Protective Relay With Easy Withdrawal
App 20190378671 - AHN; Hong-Seon
2019-12-12
Arc Ventilation System Of Multi Stage Distributing Board
App 20190379184 - KIM; Jongdoo
2019-12-12
Device For Controlling Inverter
App 20190372480 - CHO; Byung-Geuk
2019-12-05
Device For Controlling Inverter
App 20190372453 - LEE; Hak-Jun
2019-12-05
Device For Protecting Inverter
App 20190372481 - YANG; Jin-Kyu
2019-12-05
Molded-case circuit breaker with main contact interlock feature
Grant 10497526 -
2019-12-03
Device for controlling inverter
Grant 10498216 -
2019-12-03
Inverse Current Injection-type Direct Current Blocking Device And Method Using Vacuum Gap Switch
App 20190362916 - LEE; Woo Young ;   et al.
2019-11-28
Device for driving motor
Grant 10490917 -
2019-11-26
Pole Component Assembly For Circuit Breaker
App 20190355535 - LEE; Han-Joo ;   et al.
2019-11-21
Relay-welding Detection Device And Detection Method
App 20190353708 - KIM; Bumyoul
2019-11-21
Molded-case circuit breaker for DC
Grant 10483065 -
2019-11-19
Apparatus for compiling script
Grant 10481926 -
2019-11-19
Protective relay with easy withdrawal
Grant 10483063 -
2019-11-19
Trip control circuit for circuit breaker
Grant 10483751 -
2019-11-19
Method For Controlling Inverter
App 20190348905 - BAE; Tae-Suk ;   et al.
2019-11-14
Directional Over-current Ground Relay (docgr) Using Sampled Value And Method For Operating The Docgr
App 20190348832 - JANG; Su-Hyeong
2019-11-14
Device For Detecting Phase Loss Of Output In Inverter
App 20190346491 - XU; Chengde ;   et al.
2019-11-14
Molded Case Circuit Breaker
App 20190348236 - OH; Kihwan ;   et al.
2019-11-14
Method For Controlling Motor In Elevator System
App 20190344996 - SON; Ju-Beom
2019-11-14
Remote supervisory control system
Grant 10474176 -
2019-11-12
Method For Controlling Motor Driving By Plc
App 20190339664 - KIM; Seok-Yeon
2019-11-07
Device For Processing Programmable Logic Controller Program
App 20190339663 - PARK; Jo-Dong
2019-11-07
Device For Driving Motor
App 20190341710 - KIM; Hong-Seok ;   et al.
2019-11-07
Power system monitoring and control system
Grant 10466761 -
2019-11-05
Simulation apparatus and operating method thereof
Grant 10467358 -
2019-11-05
Distribution panel
Grant 10468861 -
2019-11-05
Analog signal detecting circuit for processing an analog signal for monitoring by discriminating the normal signal from noise
Grant 10466279 -
2019-11-05
Parameter determining apparatus for estimating temperature of switching element of inverter
Grant 10466114 -
2019-11-05
Device For Driving Motor
App 20190334303 - KIM; Jae-Sung ;   et al.
2019-10-31
Position Control Device Based On Programmable Logic Controller
App 20190332080 - LEE; Sang-Back
2019-10-31
Magnetic trip device for circuit breaker
Grant 10460897 -
2019-10-29
Circuit breakers
Grant 10460898 -
2019-10-29
Modular distributing panel including a transformer
Grant 10461510 -
2019-10-29
Direct current air circuit breaker
Grant 10453637 -
2019-10-22
Current circuit breaker
Grant 10447024 -
2019-10-15
Diagnostic apparatus for switchgear
Grant 10444284 -
2019-10-15
Communication system and operating method thereof
Grant 10444736 -
2019-10-15
Method of optimally compiling PLC command
Grant 10445074 -
2019-10-15
Slave device control method
Grant 10447782 -
2019-10-15
Synthetic test circuit for testing submodule performance in power compensator and test method thereof
Grant 10436844 -
2019-10-08
Magnetic trip device of air circuit breaker
Grant 10438763 -
2019-10-08
Apparatus and method for managing of database in energy management system
Grant 10437792 -
2019-10-08
Apparatus and method for estimating initial position of rotor of motor
Grant 10439536 -
2019-10-08
Pressure Applying Device For A Switching Module And Method Of Assembling A Switching Module Using The Same
App 20190305527 - JUNG; Teagsun
2019-10-03
Switch Assembly Of Reactive Power Compensation Apparatus
App 20190305525 - JUNG; Teagsun
2019-10-03
Switch Assembly Of Reactive Power Compensation Apparatus
App 20190305120 - JUNG; Teagsun
2019-10-03
Reactive Power Compensator, Discharging System, And Operating Method Of The Discharging System
App 20190305557 - LEE; Hwachun
2019-10-03
Device For Determining Peak Current In Inverter
App 20190305693 - LEE; Jae-Moon ;   et al.
2019-10-03
Pressure-applying Device For A Switching Module And Method Of Changing A Switching Module Using The Same
App 20190307011 - JUNG; Teagsun
2019-10-03
Switch Assembly Of Reactive Power Compensation Apparatus
App 20190305771 - JUNG; Teagsun
2019-10-03
Electric Transformer
App 20190304657 - JIN; Chang-Hwan ;   et al.
2019-10-03
Gateway System For Heterogeneous Fieldbus
App 20190296936 - KIM; Jong-Chan ;   et al.
2019-09-26
Initial Charging System For Medium-voltage Inverter And Method For Controlling The System
App 20190296652 - PARK; Jong-Je
2019-09-26
Submodule
App 20190296527 - JUNG; Teagsun
2019-09-26
Multi-pole molded case circuit breaker with a safety device
Grant 10424454 -
2019-09-24
Circuit breaker having circuit operating device
Grant 10424453 -
2019-09-24
Arc eliminator
Grant 10424442 -
2019-09-24
Energy storage management system
Grant 10424945 -
2019-09-24
Method for controlling medium-voltage inverter and system comprising the same
Grant 10425016 -
2019-09-24
Cooling apparatus for power converter
Grant 10426065 -
2019-09-24
Photovoltaic data collection device
Grant 10425036 -
2019-09-24
Electric energy information provision system and method thereof
Grant 10416207 -
2019-09-17
Inverter system
Grant 10419587 -
2019-09-17
Inverter system and method of controlling the same
Grant 10418894 -
2019-09-17
Cast resin transformer
Grant 10410785 -
2019-09-10
Inverter control apparatus
Grant 10411630 -
2019-09-10
Device And Method For Controlling Inverter
App 20190267913 - LIM; Deok-Young ;   et al.
2019-08-29
Power Semiconductor Module
App 20190267326 - JUNG; Teagsun
2019-08-29
Movable contact assembly for circuit breaker
Grant 10395872 -
2019-08-27
Electronic Device With Component-protecting Structure
App 20190258299 - JOO; Sang-Oh
2019-08-22
Switchgear
App 20190260190 - MA; Ji Hoon ;   et al.
2019-08-22
Coupling Mechanism For Coupling Electronic Device
App 20190261522 - JOO; Sang-Oh
2019-08-22
Distribution Panel
App 20190260186 - LEE; Seog Won ;   et al.
2019-08-22
Switchgear Having Earth Switch
App 20190244768 - LEE; Seog Won ;   et al.
2019-08-08
Device For Controlling Inverter
App 20190245461 - KIM; Kyoung-Sue
2019-08-08
Backplane-based Plc System With Hot Swap Function
App 20190235465 - LEE; Geon-Ho
2019-08-01
Device For Eliminating Slope In Output Voltage Of Switcher Power Converter In Plc Module
App 20190235541 - KIM; Jung-Wook
2019-08-01
Device For Driving Motor
App 20190239382 - KIM; Dong-Sik ;   et al.
2019-08-01
Inverter And Method Of Controlling The Same
App 20190239396 - Hwang; Soo-Yong
2019-08-01
Uart-based Communication-speed Automatic-switching Method
App 20190238369 - KIM; Hyung-Lae
2019-08-01
Dc Relay Having Auxilary Contact
App 20190228938 - YOO; Jungwoo
2019-07-25
Power Supply Device For Protective Relay
App 20190214979 - LEE; Young-Joo
2019-07-11
Epoxy Resin Composition And Transformer Comprising The Same
App 20190169358 - KIM; Sang-Eon ;   et al.
2019-06-06
Earth Leakage Circuit Breaker
App 20190173272 - YOON; Jaeshik ;   et al.
2019-06-06
Display Device Capable Of Performing Self-diagnosis In Relation To Partial Discharge
App 20190170806 - KIM; Byung-Chul
2019-06-06
Device And Method For Changing Setting Value Of Electric Power Equipment
App 20190064908 - Kim; Ju-Hyun
2019-02-28
Direct Current Air Circuit Breaker
App 20190035588 - YANG; Seungpil ;   et al.
2019-01-31
Relay Device
App 20190019645 - LEE; Si-Hyung
2019-01-17
Programmable Logic Controller
App 20180329387 - Ryu; Hwa-Soo
2018-11-15
Hierarchical Power Control System
App 20180316222 - SHIM; Jae-Seong ;   et al.
2018-11-01
Apparatus Of Sliding Submodule
App 20180316164 - JUNG; Teag Sun ;   et al.
2018-11-01
Submodule
App 20180316163 - JUNG; Teag Sun
2018-11-01
Hierarchical Type Power Control System
App 20180316187 - SHIM; Jae-Seong ;   et al.
2018-11-01
Method For Controlling Medium-voltage Inverter And System Comprising The Same
App 20180316278 - KIM; Kyoung-Sue
2018-11-01
Magnetic Trip Device Of Air Circuit Breaker
App 20180308652 - LEE; Kyu-Ho
2018-10-25
Arc Gas Venting Structure Of Air Circuit Breaker
App 20180294110 - LEE; Kyu-Ho
2018-10-11
Movable Contact Assembly For Circuit Breaker
App 20180294122 - SEO; Min-Kyu
2018-10-11
Board Apparatus
App 20180295716 - Lim; Deok-Young ;   et al.
2018-10-11
Interlock Apparatus Of Circuit Breaker
App 20180294109 - SEO; Jae-Kwan
2018-10-11
Apparatus And Method For Controlling Current
App 20180286619 - CHO; Byunggeuk
2018-10-04
Analog To Digital Converter
App 20180287623 - KIM; Jung-Wook
2018-10-04
Coil Spacer Structure For Molding Transformer
App 20180286571 - PARK; Bum-Joon
2018-10-04
Circuit Breaker Including Single Pole Breaking Unit
App 20180277316 - LEE; Kwangwon
2018-09-27
Device For Detecting Output Current Of Inverter
App 20180275175 - YANG; Chun-Suk ;   et al.
2018-09-27
Circuit Breakers
App 20180277326 - KIM; Sunkook
2018-09-27
Method For Controlling Inverter
App 20180278148 - YANG; Chun-Suk ;   et al.
2018-09-27
Inverter System And Method Of Controlling The Same
App 20180278143 - KIM; Hyo Jin
2018-09-27
Diagnosing Device Of Three Phase Inverter
App 20180267104 - YANG; Chun-Suk ;   et al.
2018-09-20
Managing Device For Cooling Inverter
App 20180270995 - YANG; Chun-Suk ;   et al.
2018-09-20
Magnetic Trip Device For Circuit Breaker
App 20180269021 - LEE; Kyuho
2018-09-20
Circuit Breaker With Instant Trip Mechanism
App 20180261417 - WOO; Sanghyun ;   et al.
2018-09-13
Apparatus And Method For Estimating Initial Position Of Rotor Of Motor
App 20180262140 - LEE; Hakjun
2018-09-13
Apparatus For Detecting Fault Of Power Relay Of Inverter
App 20180254624 - SON; Ju-Beom
2018-09-06
Bracket For Fixing Electronic Device And Mechanism For Fixing Electronic Device
App 20180255654 - JOO; Sang-Oh
2018-09-06
Inverter Control Apparatus
App 20180254729 - BYUN; Sunghoon
2018-09-06
Molded-case Circuit Breaker With Main Contact Interlock Feature
App 20180247783 - CHO; Seongyeol
2018-08-30
Circuit Breaker Having Circuit Operating Device
App 20180240634 - YANG; Seungpil ;   et al.
2018-08-23
Heat Radiation Apparatus Using Modular Cooling Apparatus
App 20180242474 - HWANG; Soo-Yong
2018-08-23
Apparatus For Detecting Current
App 20180231589 - SEON; Jong-Kug
2018-08-16
Molded-case Circuit Breaker For Dc
App 20180233314 - Oh; Kyunghwan
2018-08-16
Apparatus for Controlling Inverter
App 20180226912 - CHOI; Seung-Cheol ;   et al.
2018-08-09
Auxiliary Relay Of Electromagnetic Contactor
App 20180218863 - CHOI; Koanho
2018-08-02
Apparatus For Controlling Inverter
App 20180219496 - LEE; Sun-Woo
2018-08-02
Earthing Structure Of Earthing Truck
App 20180219307 - AN; Kwanseung ;   et al.
2018-08-02
Gas-insulated Switch Gear Using Dual Motion With Multi-lever
App 20180211802 - PARK; Jingun
2018-07-26
Assembly Structure For Motor Drive Unit
App 20180213686 - KIM; Dong-Sik ;   et al.
2018-07-26
Reactive Power Compensator And Method Of Controlling The Same
App 20180212430 - CHUNG; Yong Ho ;   et al.
2018-07-26
Reactive Power Compensator And Method Of Controlling The Same
App 20180205228 - CHUNG; Yong Ho ;   et al.
2018-07-19
3-way Disconnector And Earth Switch For Gas Insulated Switchgear
App 20180197709 - LIU; Ruiqiang
2018-07-12
Molded-case Circuit Breaker For Dc
App 20180190462 - Oh; Kihwan
2018-07-05
Magnetic Trip Device For Circuit Breaker
App 20180190463 - LEE; Kyuho
2018-07-05
3 Phase Undervoltage Trip Device and Molded Case Circuit Breaker Therewith
App 20180190444 - PARK; Min-Woo
2018-07-05
Method Of Detecting Electrical Disturbance By Dc Component
App 20180191151 - KIM; Ji-Ung
2018-07-05
Isolation Mechanism Of Controller For Circuit Breaker
App 20180191091 - KIM; Youngkook
2018-07-05
Protective Glass for Solar Cell Module and Manufacturing Method for the Same
App 20180190846 - LEE; Yil-Hwa
2018-07-05
Diagnostic Apparatus For Switchgear
App 20180180677 - LEE; Jinho ;   et al.
2018-06-28
Position Indicator Of Air Circuit Breaker
App 20180182586 - KIM; Kyujung
2018-06-28
Apparatus For Controlling Dc Link Voltage In Power Cell Of Medium-voltage Inverter
App 20180183336 - PARK; Jong-Je ;   et al.
2018-06-28
Vacuum Interrupter
App 20180182579 - RYU; Jae-Seop
2018-06-28
Method For Controlling Inverter
App 20180183322 - LEE; Jae-Moon ;   et al.
2018-06-28
Apparatus For Updating Charghing/discharging Efficiency Factor Of Energy Storage System
App 20180172774 - SHIM; Jae-Seong
2018-06-21
Apparatus for Providing Program
App 20180173504 - YOON; Yeo-Chang ;   et al.
2018-06-21
Method For Setting Link Speed Of Dual Port Switch
App 20180176091 - YOON; Geon ;   et al.
2018-06-21
Solar Pump System And Method For Controlling Solar Pump System
App 20180163716 - BAE; Chaebong
2018-06-14
Terminal Assembly For Vacuum Contactor Switch
App 20180158628 - SIM; Byeong-Sun
2018-06-07
Circuit Breaker
App 20180158638 - KIM; Jae-Seop
2018-06-07
Reactive Power Compensation Apparatus And Control Method Thereof
App 20180159328 - CHUNG; Yong Ho ;   et al.
2018-06-07
Air Circuit Breaker
App 20180158629 - PARK; Woojin
2018-06-07
Charging Device Of Air Circuit Breaker
App 20180158637 - KIM; Kyujung ;   et al.
2018-06-07
Method For Displaying Monitoring Screen
App 20180150198 - LEE; Seung-Ju
2018-05-31
Apparatus for Compiling Script
App 20180150304 - KIM; Tae-Seop ;   et al.
2018-05-31
Apparatus For Editing Objects
App 20180136827 - BAE; Ae-Kyoung ;   et al.
2018-05-17
Method For Controlling Interrupt In Inverter
App 20180137068 - LEE; Bong-Ki
2018-05-17
Synthetic Test Circuit For Testing Submodule Performance In Power Compensator And Test Method Thereof
App 20180136281 - CHUNG; Yong Ho ;   et al.
2018-05-17
Interlocking Mechanism For Circuit Breaker
App 20180131165 - YANG; Hong-Ik ;   et al.
2018-05-10
Integrated Interlock Device Of Air Circuit Breaker And Method Of Using The Same
App 20180122594 - SEO; Jaekwan
2018-05-03
Connecting Device For Control Terminals In Withdrawable Type Circuit Breaker
App 20180123329 - SEO; Jaekwan
2018-05-03
Door Locking Device Of Distribution Board Of Air Circuit Breaker
App 20180122593 - SEO; Jaekwan
2018-05-03
Sensorless Control System For Permanent Magnet Synchronous Machine
App 20180123488 - LEE; Hak-Jun
2018-05-03
Extinguishing Unit Of Molded Case Circuit Breaker
App 20180122611 - LEE; Yeon-Woo
2018-05-03
Cast Resin Transformer
App 20180114632 - HWANG; Seung-Wook
2018-04-26
Apparatus For Recognizing Pulse Signal
App 20180109261 - PARK; Kang-Hee
2018-04-19
Frame Reception Monitoring Method in Serial Communications
App 20180095907 - YOON; Geon ;   et al.
2018-04-05
Interlock Device For Preventing Close During Insertion Or Withdraw On Circuit Breaker In Switch Board
App 20180090917 - LEE; Han-Joo ;   et al.
2018-03-29
Power Compensation Apparatus And Method Of Controlling The Same
App 20180083447 - LEE; Eun Jae
2018-03-22
Modular Multi-level Converter
App 20180083550 - CHUNG; Yong-Ho ;   et al.
2018-03-22
Apparatus For Editing Graphic Objects
App 20180074664 - YUN; Jang-Hyeok ;   et al.
2018-03-15
Multi-pole Molded Case Circuit Breaker With Insulation Barrier For Rotary Pin
App 20180061601 - OH; Kyunghwan
2018-03-01
Photovoltaic Inverter
App 20180062502 - KIM; Young-Min
2018-03-01
Trip Mechanism For Direct Current Molded Case Circuit Breaker
App 20180061602 - OH; Kihwan
2018-03-01
Power System Monitoring And Control System Having Thread-dependent Calculation Monitoring Function
App 20180052502 - KIM; Tae Seop ;   et al.
2018-02-22
Mechanism Coupling Structure Of Molded Case Circuit Breaker
App 20180025876 - YOO; Sungrok ;   et al.
2018-01-25
Device of Monitoring Reactive Power Compensation System, and Method Thereof
App 20180003747 - CHOI; Yong-Kil
2018-01-04
Diagnostic System For Electric Power Equipment
App 20170356945 - LEE; Jinho
2017-12-14
Reactive Power Compensation System And Method Thereof
App 20170358983 - CHOI; Yong-Kil
2017-12-14
Device For Measuring Loss In Reactive Power Compensation System
App 20170350924 - CHOI; Yong-Kil
2017-12-07
Simulation Apparatus And Operating Method Thereof
App 20170351792 - LEE; Myung Hwan ;   et al.
2017-12-07
Computing Apparatus And Operating Method Thereof
App 20170343977 - LEE; Seok Chan ;   et al.
2017-11-30
Reactive Power Compensation System And Method Thereof
App 20170344046 - CHOI; Yong-Kil
2017-11-30
Reactive Power Compensation System And Method Thereof
App 20170346287 - CHOI; Yong-Kil
2017-11-30
Circuit Breaker
App 20170338070 - KIM; Il-Hyun
2017-11-23

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